Yield Response of Dual-Toxin Bt Cotton to Helicoverpa zea Infestations
Field cage experiments were conducted to determine the impact of bollworms, Helicoverpa zea (Boddie), on yields of Bollgard II and Widestrike cotton, Gossypium hirsutum L. One-day-old bollworm larvae were infested in white flowers of Bollgard II and in white flowers and terminals of Widestrike cotto...
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Veröffentlicht in: | Journal of economic entomology 2008-10, Vol.101 (5), p.1594-1599 |
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Sprache: | eng |
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