منابع مشابه
Managing Corn Rootworm in Non-GMO Corn
Organic Soybeans Yield 55 Bushels/Acre . . . . . . . . but Convent ional B eans Yie ld 60 Bushels/ Acre ...................................................................... 72 74 NYS. In terms of risk, second year corn fields have a 25-35% chance of risk for rootworm damage, third year corn a 50-70% risk of losses from corn rootworm larval feeding and fourth year corn risk for rootworm losses...
متن کاملCorn Rootworm Resistance to BT-Corn Reported
Cornell University by seed industry legal restrictions placed on public scientists, limiting both laboratory and field research from the mid-1990s until 2010. Widespread and organized objections by corn entomologists from major agricultural universities in 2010, convinced the seed companies to loosen the legal restrictions limiting research by public scientists involving GMO crops. As a result,...
متن کاملOn-Farm Corn Rootworm Trials
Introduction There are several methods to manage corn rootworms, including crop rotation, rootworm insecticides, and corn rootworm (CRW) transgenic traits. The use of CRW transgenic traits in corn hybrids has allowed farmers to manage CRW without using soil-applied insecticides. However, rootworm populations resistant to the transgenic traits have been confirmed in Iowa, leading some farmers to...
متن کاملOn-farm Corn Rootworm Trials
Methods Eight CRW trials were conducted in Lyon, Sioux, Clay, Monona, Crawford, and Hancock counties in 2013 (Table 1). Some trials compared a CRW-Bt hybrid with and without an insecticide, and others also included a non-Bt hybrid with and without an insecticide (Table 2). In Trials 1, 3, and 7, Pioneer Herculex® hybrids were used. A non-Bt Pioneer hybrid (987HR) was included in Trial 7. In Tri...
متن کاملWestern corn rootworm (Coleoptera: Chrysomelidae) beetle emergence from weedy Cry3Bbl rootworm-resistant transgenic corn.
Three greenhouse experiments were conducted to evaluate western corn rootworm, Diabrotica virgifera virgifera LeConte, beetle emergence from individual pots containing glyphosate-tolerant transgenic corn, Zea mays L., expressing the Cry3Bbl endotoxin from the soil bacterium Bacillus thuringiensis Berliner (MON863), nontransgenic glyphosate-tolerant isoline corn, grassy weeds (giant foxtail, Set...
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ژورنال
عنوان ژورنال: Arthropod Management Tests
سال: 1997
ISSN: 2155-9856
DOI: 10.1093/amt/22.1.233