Category: Question of the Week
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Question of the Week – Parasitoid Wasp
This week, the question was: Why is there a hole in the rear of this bloated-looking aphid? This aphid was parasitized by a tiny parasitic wasp. An egg was laid in the aphid by an adult female wasp using its ovipositor (stinger). Once the egg hatched, the wasp larva developed within the aphid, feeding on…
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Question of the Week – Deer Damage
This week, the question was: What happened to this turnip? This turnip was eaten by a hungry deer (not Zack as was guessed in the comments). Deer feeding damage is a significant threat to yields in a number of produce and row crops. In addition, their presence in produce fields presents a risk to food…
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Question of the Week – Sclerotinia White Mold
This week, the question was: What is wrong with the stem and lower petioles of this cabbage plant? This plant is suffering from Sclerotinia white mold (caused by the fungus Sclerotinia sclerotiorum), also called Sclerotinia stem rot. This disease is commonly observed this time of year as temperatures begin to warm up. It develops a…
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Question of the Week – Grey Mold
This week, the question was: What is the fuzzy, grey stuff developing on the dead bloom? This is grey mold (Botrytis cinerea), the number 1 threat to strawberry yields in the southeast. As the weather begins to warm, we will start to see grey mold in every strawberry field and growers need to have fungicides…
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Question of the Week – Lady Beetle Eggs
For the ‘Question of the Week’ from Monday… These are lady beetle eggs laid on the underside of this leaf. Lady beetles, or ladybugs, are excellent predators of aphids and other soft bodied insects. Numerous species of lady beetles are commonly found in fruit in vegetable crops in South Carolina are easily recognized by their…
The South Carolina Grower 