Spider Mite Management Methods

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If the weather is hot and dry, growers will want to keep an eye out for spider mites. According to Ayanava Majumdar, an Extension entomologist for the Alabama Cooperative Extension System, high populations of spider mites can devastate vegetable crops. There are several different types of spider mites, including twospotted mites, russet mites, rust mites and broad mites. All of …

The Complex World of Insecticide Modes of Action

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Selecting insecticides can be extremely cumbersome and complex. Ayanava Majumdar, Auburn University Extension entomologist, says there are five different “mode of action” categories that can help conventional growers decide what kind of insecticide will be most effective in their production systems. The five categories are contact poisons, insect growth regulators, mitochondrial or cellular respiration inhibitors, Bacillus thuringiensis and the unknown. …

Critical Organic Insecticides

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Auburn University Extension entomologist Ayanava Majumdar says for organic growers, the use of organic insecticides can make or break a production system. “Organic insecticides are critical for organic producers; we shouldn’t forget about them,” Majumdar says. Southeastern weather conditions are among the most unique in the nation, making pests a year-round issue. For starters, the southeast has heat, humidity and …

Managing Soil Pests

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Soil insects can be tricky to spot because they can’t be seen, but they can cause major devastation to vegetable crops. Ayanava Majumdar, Extension entomologist with the Alabama Cooperative Extension system, knows that when pests are out of sight, they are sometimes out of mind as well. Oftentimes, symptoms from soil pests will not appear until planting time. Some soil …