Tag: brassica
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Question of the Week – Yellowmargined Leaf Beetle
What is this critter hanging out on sweet alyssum? This is an adult yellowmargined leaf beetle (YMLB), which is well-known (notorious?) to many of our smaller and low-input brassica farmers, as it is very difficult to manage without conventional insecticides. It is a specialist herbivore of plants in the Brassicacea family and is a key…
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Question of the Week – Kohlrabi
Does this collard plant have a massive tumor? This is neither a tumor nor a collard plant. This is kohlrabi. Kohlrabi is a close relative of collards and cabbage. In SC, it is best grown in the spring or fall, just as you would grow broccoli or cabbage. The enlarged bulb-like stem has a taste…
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Question of the Week – Yellowmargin Leaf Beetle and Vegetable Weevil
This week, the question was: What has been feeding on this neglected Napa cabbage? This Napa cabbage is being fed on by larvae of both the yellow margined leaf beetle (YMLB, Microtheca ochroloma) and vegetable weevil (Listroderes difficilis). YMLB can be a significant pest for organic production, especially turnips and Napa cabbage, which they prefer.…
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Question of the Week – Cabbage Webworm
This week, the question was: There are diamondback moth caterpillars on the right. What is the caterpillar on the left? This is a cabbage webworm. Cabbage webworms feed near the growing points of brassica plants , often damaging the growing points and causing irregular growth. They frequently feed within webs that protect them from natural…
The South Carolina Grower 