Weekly Field Update – 9/8/20

Statewide

Dr. Matt Cutulle reports, “With all the rain we had in August the weed seed bank is starting to pop. Nutsedge pressure can be really tough in September.  For fall cole crop plantings, it is important to initiate the stale seed bed technique (allow weeds to come up and burn them down multiple times before planting). In some cole crops, such as broccoli, Dual Magnum may be used, which provides some pre-emergent suppression of yellow nutsedge (Max 60% probably). Following with an in-row cultivation several weeks after planting will strain the photosynthate reserves of nutsedge, which could be lethal to the nutsedge if we get a  cold snap in late October.”

Coastal

Zack Snipes reports, “I saw whiteflies everywhere last week.  I saw them on just about every crop in the field: squash, zucchini, tomato, peas, eggplant, okra.  We have very good options to manage whiteflies, so consult with your local agent or look up the specific products for the crop you are growing in the Southeast Crop Handbook. Be careful not to use pyrethroids for whiteflies as resistance will develop very quickly.  Longer lasting, more specific options are available that are better options.  I also saw a good many worms last week such as the melonworm in cucurbits and the beet armyworm in other crops.  If you have whiteflies and worms in a crop then the group 28 insecticides (Coragen, Verimark/Exirel, Harvanta) are excellent options to take care of both pests at the same time with good residual.”

Whitefly infestations are severe in some places on the Coast. Photo from Zack Snipes.
Whiteflies on tomato leaves. Photo from Zack Snipes.

Midlands

Justin Ballew reports, “Last week was extremely hot and dry, though we finally got some relief from the heat over the weekend. Crops are progressing well, though we are seeing caterpillar activity increase. We’re seeing diamondback moth and cabbage loopers in brassica crops and armyworms in tomatoes. Be sure to rotate insecticide MOA’s when treating for caterpillars. I’m also seeing a few whiteflies around, but nothing severe yet. Black rot is starting to show up on some brassicas. Strawberry growers are starting to apply their preplant fertilizers in preparation for shaping the beds.”

Black rot getting started on a young collard plant. Photo from Justin Ballew

Pee Dee

Bruce McLean reports, “Muscadine harvest is starting to wind down. Harvest looked good and had very good yields. Brix averaged out at 13.5 to 14.5%, depending upon the cultivar and the vineyard. Now is a good time to evaluate successes and problems from this season and write them down while they’re fresh on your mind. Also, look at the overall amount of foliage on the vines. Is it too much? Not quite enough? Start planning how you need to adjust fertility for next year. A post-harvest potassium fertilizer application has proven to be beneficial to the crop (in on-farm settings), especially in wet years. Overall plant health, spring emergence and vigor, and next year’s yields should be well improved.”

A bin of Carlos muscadines ready to be loaded and delivered for processing. Photo from Bruce McLean.

Tony Melton reports, “Getting dry and need some rain. Busy planting turnips, mustard, and collards. Harvesting processing sweet potatoes as quickly as they can process them (problems in the plant). Picking pickles and yielding much better with dryer conditions. Also, pickling plants having trouble with getting enough labor so very few peppers harvested. Still spraying processing peas for cowpea curculio. Watch out for southern stem blight it is still raging havoc.”

Upstate

Kerrie Roach reports, “The last few peaches are making their way to stands and markets. Things are continuing to look good as the Apple crop progresses in the upstate. Growers to the north in Hendersonville, NC suffered multiple hail events causing a large amount of damage, but SC growers seem to have escaped the worst of it. Vegetable production has slowed significantly with many small growers finishing for the season over the next few weeks. Muscadines are coming into their prime, and look to be highly productive this year.”

Golden Delicious apples that still have a little ways to ripen for optimum sugar content, but work great for baking. Notice the green tint. As they continue to ripen, a yellow cast & even a blush may appear. Photo from Kerrie Roach.

Andy Rollins reports, “These plants were found positive for Phytopthora root rot last week in an early upstate strawberry planting.  Inspection of plants when they arrive can accurately diagnose this problem.  Brown to blackish colored roots are characteristic.  A small portion of this material is taken from 5-10 plants then placed into a pouch that accurately identifies the presence of Phytopthora within a few min.  As in picture, 1 line tells you the test worked properly 2 lines indicates presence of the fungus.  Early treatment with Ridomil and or any of the phosphite (Rampart/Prophyt) is very helpful but must begin quickly if plants are widely infected for the best results.”

Dark colored roots are a characteristic symptom of Phytophthora root rot. Photo from Any Rollins.
An immunostrip test can be used to diagnose phytophthora. Two horizontal red lines on the strip (right side of the bag) means the sample is positive for phytophthora. Photo from Andy Rollins.

Weekly Field Update – 8/31/20

Coastal

Zack Snipes reports, “We had between 4-6 inches of rain last week with daily thunderstorms.  Growers are working the fields getting ready for the fall crops to go in.  If it happens to rain on Wednesday night, then you should tune in to our Strawberry 101 class from 6-8PM.  We will be discussing economics, seasonal timeline, varieties and common mistakes, and fertility.  This is an excellent opportunity to learn about growing strawberries.  You must register ahead of time to participate.

Midlands

Justin Ballew reports, “After some rain early in the week, the weather turned dry and the temperatures and humidity reminded us that summer isn’t over yet. Fall crops are continuing to progress well, though we are continuing to see a fair amount of disease like anthracnose, downy mildew, and bacterial spot due to the recent wet conditions. Caterpillar populations are climbing on fall brassicas as well. In scouting a field trial, I observed diamondback moths, cabbage loopers, and armyworms. Keep a close eye out and be sure to rotate chemistries when you start spraying.”

Anthracnose spots on a cantaloupe leaf. Photo from Justin Ballew.
Cabbage looper on a collard leaf. Photo from Justin Ballew.

Sarah Scott reports, “Peach season has wrapped up in the Ridge and post- harvest fertilizer applications are being applied. Fall vegetable crops are looking good as we received some decent rain fall over the past week. Hot temperatures have had some effect on lower seed germination of some brassicas.”

Pee Dee

Bruce McLean reports, “Harvest time is finally upon us. Sunshine and warm temperatures is doing the trick for giving growers that final push for ripening the muscadine crop. Crop is looking good, but some bitter rot and ripe rot is starting to show. Brix for Carlos and Noble is averaging around 13.5%. Doreen is still a little ways from being ready to harvest, but it won’t be long.”

Grape harvester picking muscadines. Photo from Bruce McLean.

Tony Melton reports, “So wet in areas it is hard to spray peas for curculio some are having to use airplanes.  Harvesting sweet potatoes for processing and yield is good.  Planting greens for processing.  Harvesting pickles but stopped planting this week.  Still harvesting processing peppers but harvesters are getting real tired.”

Upstate

Kerrie Roach reports, “Heavy rains, humidity and continued high temperatures over the last week have continued an increased trend in disease incidence across the board in both vegetables and fruits. Growers need to be proactive to stay ahead of diseases (and insects) by scouting often and well. We are finishing out the peach season with late varieties like ‘Big Red’. Apples are gaining steam and early varieties are looking and tasting great. Overall the production seems to be on target for a significant increase over last season.”

Weekly Field Update 8/24/20

Statewide

Dr. Tony Keinath reports, “For the past few years, Orondis Opti on cucumber and cantaloupe and Orondis Ultra on pumpkin and watermelon have been the best fungicides to manage downy mildew. Based on results from a spring 2020 cucumber experiment at Coastal REC, Orondis is no longer the “silver bullet” it was 2 years ago. In my experiment, Orondis Opti rotated with Bravo controlled downy mildew in the early part of the season, but disease increased significantly during the latter part of the season and ended up higher than expected. Part of the shortcoming of the Orondis Opti/Bravo spray program was the Bravo rotation. Bravo sprayed by itself every other week did not control downy mildew at all, so spraying Orondis Opti/Bravo acted like Orondis Opti sprayed every other week, which was not enough. The labels for Orondis Opti and Orondis Ultra say they must be rotated with another fungicide. For the rest of the 2020 season, use Orondis Opti/Ranman + chlorothalonil on cucumber and cantaloupe, and Orondis Ultra rotated with Gavel or Ranman + chlorothalonil on pumpkin and watermelon. Always use the high rate (2.5 pints/acre) of Orondis products. Note that the mancozeb in Gavel or adding chlorothalonil helps to manage other foliar diseases like gummy stem blight and anthracnose. Yield data and input costs from my experiment are being analyzed to see if spraying Orondis leads to a higher net return despite the higher cost of this fungicide. Results will be presented at the virtual Cucurbit meeting in February 2021 to help growers plan downy mildew fungicide programs for the 2021 season.”

Cucurbit downy mildew continues to spread across the state.

Coastal

Rob Last reports, “Fall crops continue to grow well in the area.  Given the current weather patterns pests and disease are active in some crops particularly where there are volunteers remaining from previous crops.  Vigilance will be required in scouting an pesticide management programs.  If In doubt scout.”

Midlands

Justin Ballew reports, “It’s been cool, cloudy, and kind of pleasant outside this past week, though that has the vegetable crops growing a little slower. We’ve gotten some decent rains in most areas around the midlands as well. Bacterial spot is really showing up on fall tomatoes as a result of all the recent rain. It could be a bad fall for bacterial spot if the weather stays like this. Caterpillars are already out there on fall brassicas. It doesn’t take long once they’re planted. Start scouting, scout often, and rotate insecticides. Remember to contact one of us about screening your farm for insecticide resistance in diamondback moths once you start seeing populations build up.”

Bacterial spot and speck start on the bottom of the plant and can be splashed onto higher leaves and fruit by rain drops. Photo from Justin Ballew.
Start scouting for caterpillars as soon as your fall brassicas are planted. Photo from Justin Ballew

Pee Dee

Bruce McLean reports, “Both fruit and vegetable development has slowed a bit due to cloudy conditions. Sunny conditions needed. Sweetpotatoes are sizing well and will be ready for harvest soon. Fall cucumbers and squash should soon be ready to start harvesting. Fall brassicas are being planted now. Muscadine crop is getting close to harvest. Noble is around 90% ripe; Carlos is around 60%; Doreen is still around 25%. Brix (sugar content) is off due to rain and cloudy conditions. Noble and Carlos brix are averaging around 11% with a low of 9.2% and a high of 15.0%. Doreen is averaging less than 10%. Did find a few Doreen that brix was over 19%… candy. Sunny conditions definitely needed.”

Noble muscadines around 90% ripe. Photo from Bruce McLean.

Tony Melton reports, “Beginning to harvest processing sweet potatoes but some have been stunted and delayed by excessive rain.  Spraying processing peas for cowpea curculio.  Starting to plant processing greens by seed.  Even though lots of rain and having to mud through fields cucumbers for pickles are being harvested and still being planted.”

Upstate

Andy Rollins reports, “Blueberry pruning is best served for the dormant time of year late January-late February.  I met with a commercial grower who was anxious about getting started early partly because he has many plants completely unproductive for the second year in a row. I like to call this revenge pruning as that is the primary motivation. Be careful, you could end up hurting yourself more in the long run. In his case, it was all about light and proper pruning to encourage light down through the canopy. The orignial spacing of Rabbiteye type varieties was very close so we also considered killing every other plant to get more light into the bushes but this would not replace the need for properly selectively removing a few of the oldest canes each year, spacing them out so there is better light penetration. For a detailed explanation, please see NCSU Blueberry specialist Bill Cline’s presentation.”

Field Update – 5/11/20

Coastal

Zack Snipes reports, “We have had some weird weather for May touching 90 one day to in the 40s at night.  Despite the fluctuating temperatures, crops like squash, zucchini, snap beans, and cukes are all coming in and looking pretty good. Melons and tomatoes are looking ok but cooler temperatures and persistent winds with sandblasting is common this spring.  Those wind-stressed and sandblasted plants will be more susceptible to disease so make sure to follow fungicide programs closely.

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Provider green beans are loaded up. Photo from Zack Snipes.

Midlands

Justin Ballew reports, “Last week started out quite warm, which had crops developing quickly. Spring planted brassicas grew fast and Squash seedlings really jumped out of the ground. Diamondback moth caterpillar populations are still high in places and we’re starting to see cabbage loopers as well. Strawberry growers are still reporting good sales. Thankfully, it’s cooled down again (at least for a few days) and that will help strawberry plants develop more blooms before it warms back up. As the weather becomes warm and dry this week, scout closely for spider mites.”

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Great looking broccoli head ready to be harvested. Heads developed very quickly in the warm weather last week. Photo from Justin Ballew.

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Cabbage loopers are showing up in brassicas. Photo from Justin Ballew.

Sarah Scott reports, “We are picking early variety peaches along the Ridge. Strawberries are still being harvested in the area as cooler nighttime temperatures have slowed ripening. Imported cabbageworm and diamondback moth caterpillars can be found in slightly higher numbers on broccoli and cabbage plants. Windy weather has made spraying in the fields and orchards challenging.

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Bacterial canker on a peach tree. Lesions with distinct lines between healthy and diseased wood found under bark on declining trees. Photo from Sarah Scott.

Upstate

Kerrie Roach reports, “Temperatures in the Upstate were in the mid to low 30’s this weekend causing many growers to take precautions. Strawberry growers who had put their row covers away for the season, brought them back out. At this point, the low temperatures do not appear to have caused much damage. The weather is projected to even out this week, and nighttime temperatures are coming up. We are hoping for a great week of growing!

Field Update – 4/20/20

Coastal

Zack Snipes reports, “We had severe storms roll through the Lowcountry at the beginning of last week.  Fortunately, we had very little damage to most of our crops.  We had some damage to older squash and zucchini and some damage to untied tomatoes.  For the most part, we escaped with little to moderate damage and should still make some good crops. Strawberries are coming in strong but it seems like this could be our last push of the season.  I do not see many blooms coming on and our overall plant size and number of crowns per plant seem low for this time of year.

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Ants and mole crickets have become more of a problem for produce growers in the past few years. Photo from Zack Snipes.

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Burn on leaf margins caused by overapplication of boron. Photo from Zack Snipes.

Midlands

Justin Ballew reports, “We didn’t see any damage from the storms last Monday morning other than some water damaged strawberries. We’re sure to have more damaged berries once the rain clears out today. Be sure to carry damaged and rotting berries out of the fields so they won’t become a source of inoculum for Botrytis and anthracnose. Growers selling locally are still seeing good demand for their produce. To try to keep everyone safe, some strawberry growers are opting to sell only pre-pick berries. Brassicas are growing rapidly and looking great, though diamondback moth caterpillar pressure has become pretty high. Be sure to rotate modes of action when selecting DBM insecticides. Everything else (tomatoes, peppers, sweet corn, squash) is growing well also.

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Water damaged strawberries. Photo from Justin Ballew.

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The first plantings of tomatoes are growing really well.  Photo from Justin Ballew.

Sarah Scott reports, “Peach trees continue to be thinned. This week we will likely begin to see scale crawlers present and should take action with a spray of Esteem. Bacterial canker has been noted across the state this year as seasonal conditions warranted a good year for inoculation.  Peach fruit is progressing nicely with some of the earliest varieties potentially beginning to ripe in just a few weeks.”

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Peaches that have been thinned with fruit distanced about 6 inches apart. Photo from Sarah Scott.

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Early variety peach progressing nicely in Edgefield County. Photo from Sarah Scott.

Pee Dee

Bruce McLean reports, “Planting of vegetables is wide open, right now. Cucurbits (cucumbers, squash, melons), beans and peas, sweet corn, tomatoes, eggplant, and peppers are all going in. Greens are looking good. Potatoes are coming along nicely, despite having to be planted late. Starting to see Colorado potato beetles in potatoes. Frequent scouting and timely insecticide applications are key to their control. Strawberries yields are really starting to pick up. A lot of nice-sized, sweet strawberries are available now. Blueberry fields are starting to get that tinge of blue on the earliest berries. We should start seeing some fruit being harvested in the next few days.

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Colorado potato beetle on a potato leaf. Photo from Bruce McLean.

Tony Melton reports, “It was getting dry, thank goodness for the rain.  Most of our butterbeans and peas are grown with irrigation.  Most of our first crop cucumbers are starting to hit the rapid growth stage – get out and sharpen the plows.  Greens are loving this weather.  Watch out for yellow margined beetle- you will most likely see the brown ugly small grubs – they like sandier soils.

Upstate

Kerrie Roach reports, “With beautiful skies over the last week since the outbreak of tornadoes across the state, growers have been able to get back into the fields. Last night and this morning’s heavy rains caused some minor runoff and ponding, but nothing we haven’t seen before. A few scattered nights/mornings with cold temperatures do not seem to have caused any significant damage to the peach or apple crops. The biggest news in the Upstate has been cleanup… cleanup of the Seneca area and further up near Pumpkintown. So far, there has been a very limited reported effect from the tornados on the fruit & vegetable growers. We’ve had many livestock producers with downed fences and shelter roof damages, but nothing too severe. Residential areas were the hardest hit, and the community has really shown out in its response.

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EF3 tornado damage from Seneca, SC. Photo from Kerrie Roach.

Andy Rollins reports, “This is damage seen on multiple farms is believed to have been caused by self-inflicted miticide application with a surfactant, or possibly damaged from the sun. What allowed us to learn this is that almost all of the damage is located on the top side of the fruit but when flipped over the portion of the shaded berries remained undamaged.  Please be careful with all fungicide/pesticide applications and make sure you are following all of them.  If the label doesn’t call for a surfactant to be used…..please do NOT use one.

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Damage possibly from using a surfactant with a miticide or from the sun. Photo from Andy Rollins.

Field Update – 4/13/20

All of SC is now under a “Home or Work” order from Governor McMaster. Farming is an essential industry, so Commissioner Weathers has issued this Notice of Essential Food and Agricultural Employee form that farms may fill out for each employee certifying them as an essential employee. Employees should keep this form with them while commuting to and from work.

Coastal

Zack Snipes reports, “We had a great week of weather last week in the Lowcountry.  I am extremely concerned and curious to see what things look like after the powerful line of storms we had Monday morning.  I feel like we will see lots of damage to taller crops and in areas where there were no windbreaks.  If plants suffered in the storm and have open wounds from sand, wind, or tying twine, then expect to see more disease.  It would be a great time to get out some fungicides and bactericides to prevent spreading of diseases.  As of Friday, our crops looked great.  I have been seeing LOTS of damage by our biggest pest in the Lowcounty…DEER.  Fencing is cheap compared to the amount of money you are losing to browsing damage. Check out this publication on fencing.

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A deer browsed tomato (left) and un-browsed tomato (right).  Photo from Zack Snipes.

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When browsing occurs, other competitors such as nutgrass take hold further impacting yield. Photo from Zack Snipes.

Midlands

Justin Ballew reports, “The weather was nice last week and crops really responded. Brassicas and sweet corn are both growing really fast. Strawberry production really picked up last week too. Luckily, sales at produce stands have been really good lately. We had a really strong storm come through early Monday morning and we expect to see some water damaged strawberries as a result and probably some diseases like black rot on brassicas.  Strawberry growers, be sure to sanitize the plants well so damaged fruit won’t become inoculum for Botrytis and anthracnose.

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Workers at James Sease Farms in Gilbert grading strawberries fresh from the field. Strawberry season is in full swing. Support your local farmers!  Photo from Justin Ballew.

Sarah Scott reports, “The peach crop is coming along nicely. Some high chill hour requiring varieties are developing at an uneven rate but only time will tell if there will be a good crop on those. Strawberry production is picking up. A couple of cooler nighttime temperatures may have slowed progression a bit but harvests are still on the rise. Field crops like spinach, kale, and broccoli are performing well. Some cucurbits being planted as well as tomatoes as labor needs are filled.

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Blossom blight caused by the fungi, Monilinia fructicola. Extended bloom and lots of rain during winter months made ideal conditions for infection. Refer to the 2020 Peach Management Guide for information on treating and preventing spread of brown rot. Photo from Sarah Scott.

Pee Dee

Tony Melton reports, “Awful infestation of early season diamondback caterpillar on brassicas like collards/cabbage most likely due to the overwintering on brassicas like radish in cover crops.  When these crops are terminated for summer cropping these insects and other insects like yellow-margined beetle invade vegetable production fields.  Also, cover crops containing brassicas should not be used in vegetable production fields because they increase diseases like bacterial soft rot and sclerotinia, which are tremendous problems in all types of vegetable crops.

I hope all strawberry growers got their ripe fruit out of their fields before this storm – if not a lot of fruit will most likely be discarded.  Some rain was needed hope not too much falls – in S.C. when it rains it pours.  Most summer crops are planted and we did get some wind damage and sandblasting causing stunting but no frost damage in the Pee Dee.  The first plantings of processing tomatoes, peppers, and cucumbers are in and after this rain more will be quickly following.  Spring brassicas are loving this rain.”

Upstate

Kerrie Roach reports, “It was confirmed that a tornado touched down in Seneca, SC early this morning around 3:30am. Reports of damage to agricultural operations have been limited, but there is certainly significant damage to business and residential structures. Apple and peach crops are looking good right now. We have many farmers market operations who will be replanting/reseeding after last night’s heavy rains.”

Andy Rollins reports, “We have been trapping high numbers of Oriental Fruit Moths in pheromone traps in peach orchards in upstate SC weekly.  Numbers have been much higher in our late season varieties.  We are assisting growers with correct timing of spray applications directed at egg hatch.  We are also encouraging growers to rotate insecticide classes to prevent failure of the pyrethroids if this hasn’t already occurred.  Dr. Brett Blaauw UGA/Clemson peach entomologist has been directing the effort aimed at reducing damage from this pest.”

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Oriental fruit moths captured on a sticky trap. Photo from Andy Rollins.

Field Update – 3/30/20

At this time, due to COVID-19, all in-person Clemson Extension meetings have been postponed through June 1st.  Keep an eye on the COVID-19 Resources page for updates.

The SCDA’s list of farms offering deliveries and pick-ups has grown significantly in the last week. View or contact LauraKate McAllister to be added to the list here.

Coastal

Zack Snipes reports, “The weather has significantly warmed which has really helped our crops.  Strawberries are in peak production and growers are seeing record sales.  Other direct market growers are seeing higher sales numbers right now as well. Tomatoes are looking good with no issues.  Highbush blueberries are looking like they will have a decent crop and should be coming off soon.  I have seen some freeze damage on the earliest varieties of highbush that endured very cold temperatures.  Later season rabbiteye blueberries are in full bloom right now.”

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San Joaquin highbush blueberry with a good fruit load that should be ready soon. Photo from Zack Snipes.

Midlands

Justin Ballew reports, “The first half of last week was very wet, the second half was very warm.  Strawberries are growing well, but harvest volumes haven’t picked up yet.  Growers are easily selling everything they pick.  Keep scouting for spider mites.  After a very easy fall and winter, caterpillar populations are starting to climb in brassica crops.  Be sure to get out and scout for those.  Sweet corn is also up and growing.

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Diamondback moth caterpillar on the underside of a broccoli leaf. Photo from Justin Ballew.

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Sweet corn up and growing.  Photo from Justin Ballew.

Sarah Scott reports, “Fruit is developing nicely on peach trees with little to no signs of cold damage at this time. Vegetable transplants are going in now including squash, bell peppers, and eggplant. Strawberry harvest has begun. Spider mite populations are slightly high right now.

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Peaches are developing well. Photo from Sarah Scott.

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Newly transplanted squash plant. Photo from Sarah Scott.

Pee Dee

Bruce McLean report, “It has just about turned into summer with temperatures (over the last few days) in the mid and upper 80s… and the crops have really responded. Muscadines have started leafing out across the region, with some early flower development occurring. Later blueberry varieties (like Tifblue, Onslow and Powderblue) are blooming heavily, while earlier varieties of blueberries have completed flowering, or getting near to completion. Strawberries are blooming and fruiting heavily, and there are some light volumes being picked now. Angular leaf spot is showing up on some strawberries. This is due to the wet conditions that we have been experienced, this year. Spider mites are still being found in strawberries. So, regular scouting is necessary.”

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A syrphid fly visiting a strawberry flower. Photo from Bruce McLean.

Tony Melton reports, “Growers are preparing land, bedding, and planting before this rain gets here. Most early sweetcorn is planted.  Sweet potato beds are sprouting – along with weeds- kill the weeds now. Fresh market tomatoes and pepper are being planted. I have seen a lot of ugly strawberries from cinch bugs, stinkbugs, thrips, boron deficiency, etc. Butterbeans are being rapidly planted. Processing tomato and pepper land has been treated with Vapam- always follow all label directions. Cabbage is beginning to cup. There is more demand than strawberry supply right now.”

Upstate

Kerrie Roach reports, “Growers are trying to stay ahead of the game with some social distance mowing. No freeze damage spotted so far on apples or peaches in the Long Creek/Mt. Rest area. Bloom is very erratic and varies from tree to tree. Picture is of Mike Ables, with Ables Orchard bush hogging and a granny smith in full bloom.”

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Mike Ables of Albes Orchard bush hogging weeds.  Photo from Kerrie Roach.

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A syrphid fly visiting a Granny Smith bloom. Photo from Kerrie Roach

Field Update – 1/6/20

Statewide

We hope everyone had a great Christmas and New Year!  Please keep an eye on the Upcoming Events tab for several spring production meetings and conferences coming up around the state.

Midlands

Justin Ballew reports, “We’ve gotten a lot of rain over the last 30 days, including around an inch and a half late last week.  The weather was warm in the afternoons for most of the week also.  Our corps are going well, though spider mites seem to be picking up in strawberries.  Mites are easy to forget about this time of year, so be sure to get out there and scout. We should have 3 branched crowns on our strawberries at this point, but we are a little behind in several fields.  Caterpillar populations remain low and the brassicas we are harvesting look great.  Sclerotinia white mold is showing up in some brassica fields following all the recent moisture we’ve had.  This is a good reminder to use a crop rotation of at least 3 years.

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Sclerotinia white mold developing on collard leaves. Photo from Justin Ballew

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A cluster of spider mites on the upper edge of the underside of a strawberry leaf. Photo from Justin Ballew

Lalo Toledo reports, “We have seen ‘Sclerotinia stem rot’ on brassicas increase in the last couple days. This moist weather helps promote stem infections that spread rapidly downward to decay roots and expand upward wilting leaves, resulting in plant collapse. We have observed a white, cottony growth near the soil line. Disease development is generally favored by abundant soil moisture and temperatures ranging from 10-25°C (50-77°F). It is important to implement good sanitation practices and long rotations to non-host crops. Cultivate to help promote good soil drainage. Fungicide application are also available. Refer to Vegetable handbook. Remember to rotate fungicide groups.

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Wilted collards caused by Sclerotinia development on the stem. Photo from Lalo Toledo.

Pee Dee Region

Tony Melton reports seeing spider mites in most strawberry fields.  “Fall strawberries covered in hoop houses or just covered outside are doing well and producing well.  Selling out the few remaining regrowth collards and greens.  This week should be dry enough to start bedding land for spring greens to allow weeds to emerge and kill using stale-bed-culture.  Stale-bed-culture is my favorite way to destroy most of the weeds before planting any crop.”

Bruce McLean reports, “Even though the calendar says January, it’s been feeling a bit more like April here lately. The remaining brassica crops look really good (for the most part). Cabbage, collards, turnips and broccoli are still in good supply. Pest pressure has been extremely low this season.  Strawberries are looking very good as well. The recent heat is pushing blooms a bit. I haven’t seen anyone dragging the row covers out yet, so blooms are getting bitten on these coldest nights. No worries… they’ll be plenty more blooms to take their place. I’ve not seen any significant pests on strawberries, either.

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The recent heat has really pushed the broccoli out. Photo from Bruce McLean.

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Strawberries are looking very good this season in the Pee Dee.  Photo from Bruce McLean.

Upstate

Kerrie Roach reports, “We’ve had cold weather along with lots of precipitation in the Upstate over the last few days. There were even some flurries up in the mountains. Pruning for apples is going to commence over the next few weeks. The SE Apple Growers Association Meeting is this week Tuesday and Wednesday in Asheville, NC, and many of our SC growers will attend.”

Field Update – 10/28/19

Coastal Region

Zack Snipes reports, “Strawberries have been planted in the Lowcountry. Some rain throughout the week has really helped them take. Already seeing deer tracks in fields without fencing. I scouted a few fields and found enough juvenile spider mites to warrant a spray. We need to stay on top of the mites this season. Please scout your fields and take necessary measures to manage them.”

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Strawberry transplants are getting established. Photo from Zack Snipes.

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Deer tracks show that deer are already browsing in strawberry fields. Photo from Zack Snipes.

Midlands

Justin Ballew reports, “We had a few showers come through the midlands last week. Strawberry planting has wrapped up and the young transplants are getting established well so far, as we’ve had pretty favorable weather lately. Fall brassicas are looking great and worm pressure is still a little below average. Fall crops of cucumbers, tomatoes, peppers, green onions, eggplant, squash and zucchini are still being harvested.”

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Broccoli head developing well. Photo from Justin Ballew.

Pee Dee Region

Bruce McLean reports, “Brassica (cabbage, collards, turnips, broccoli, etc.) and strawberry planting has finished. The crops look very good. Okra and squash will finishing up soon. Downy mildew is still a challenge on squash. Brassica insect pressure has been relatively light, except for aphids which have been moderate in limited locations. Continue to scout regularly.”

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Cabbage looper feeding on a cauliflower leaf. Photo from Bruce McLean.

Tony Melton reports seeing lots of worms and moths. “I have seen sweet potatoes stripped by stripped armyworms, armyworms, loopers and velvetbean caterpilars in greens, and millions of corn earworm moths in peas.  Also false chinch bugs are loving the turnips, kale, and mustard.  Strawberries are getting established. ”

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Worms of all kinds are wreaking havoc in the Pee Dee.  Photo from Tony Melton.