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Insect Control

Should You Spray 3-Gene Bt Cotton For Bollworm Resistance Management?

bollworm trials in cotton

• By Dominic Reisig • The short answer is no way! The following are data and logic to support this position. First, we have replicated trials in North Carolina, South Carolina, and Georgia over multiple years stacking up non-Bt, Bollgard II, TwinLink, TwinLink Plus, WideStrike and WideStrike 3 cotton sprayed and unsprayed for bollworms. In one test, our bollworm pressure ... Read More »

Texas Row Crops Experiencing Light Insect Pressure So Far

cotton bollworm

Row crops in North Texas and the South Plains are in the home stretch and Texas A&M AgriLife Extension Service experts want producers to keep a watchful eye on pest infestations. Dr. Allen Knutson, AgriLife Extension entomologist, Dallas, and Blayne Reed, AgriLife Extension integrated pest management specialist, Hale County, reported pest activity in North Texas and the South Plains has ... Read More »

It’s Crunch Time For Cotton Insects

clouded plant bug adult

• By Scott Stewart • The three to four weeks after first bloom, and typically the last two weeks of July and the first two weeks of August, is a critical window to scout and manage insect pests. This is when we are setting the bolls that will contribute most to yield, and it’s also a time insects are most attracted ... Read More »

Cotton Leafroll Dwarf Virus Present In Alabama; Scouting Essential

cotton leaf roll virus

Extension professionals have already confirmed the presence of cotton leafroll dwarf virus (CLRDV)—the causal agent of cotton blue disease — on multiple research substations across Alabama. The aphid-transmitted disease has been monitored closely since it appeared in cotton fields during fall 2017. Kassie Conner, an Alabama Extension plant pathologist, said the virus was confirmed in samples taken since July 1. ... Read More »

EPA Registers Transform’s Active Ingredient For Cotton

EPA logo

• By Vicky Boyd, Managing Editor • The Environmental Protection Agency has registered sulfoxaflor — the active ingredient in Transform WG from Corteva Agriscience — for several crops, including cotton. State registrations are pending. “This decision is supported by substantial data on human health and environmental affects, including many new studies on the effects of the insecticide on bees,” Alexandra ... Read More »