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Weed Control in Lettuce

Weed control in lettuce and other crops is a key issue this time of year. Purslane is particularly problematic and is adapted to warm conditions and can grow very rapidly especially during July and August. At times growers and PCA’s are disappointed with the efficacy of Kerb on this weed. Kerb is effective in controlling purslane but it is readily …

Do Ladybugs Help Your Garden Grow? Depends On Surroundings

When cabbage looper moth larvae infest a field, sustainable growers will often try to control the pests by releasing large numbers of predators, such as ladybugs. That way they can avoid spraying expensive and environmentally harmful insecticides. Still, farmers have mixed results when they supplement their fields with beetles or other predators. A new study of cabbage crops in New …

The Recent Romaine Recall and the LGMA

Although the Center for Disease Control announced on January 9, 2019 that the recent e-coli outbreak is over, there is another part of the story that doesn’t seem to be getting allot of traction. During the investigation the FDA made the comment that based on the spread of the traceback it’s highly unlikely that it originated from a single farm. …

Got “Red” Aphids?

Red Aphids

Since last week, I have been receiving samples with “red” aphids to get the identification. It turned out that this time, most of these ‘reddish’ aphids were identified as the lettuce aphid, Nasonovia ribis-nigri (Fig. 1). To me, they look more red-orange; however, their distinct black marks on the abdomen and short cauda (finger-like, short appendage at the end of …

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