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Foraging Behavior of Helicoverpa armigera $H{ddot{u}}bner$ (Lepidoptera: Noctuidae) First Instar Larvae on Selected Cotton Varieties
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  • Foraging Behavior of Helicoverpa armigera $H{ddot{u}}bner$ (Lepidoptera: Noctuidae) First Instar Larvae on Selected Cotton Varieties
  • Foraging Behavior of Helicoverpa armigera $H{ddot{u}}bner$ (Lepidoptera: Noctuidae) First Instar Larvae on Selected Cotton Varieties
저자명
Amin. Md. Ruhul,Azad. H.M. Saifullah,Hossain. Md. Shamim,Suh. Sang Jae,Kwon. Yong Jung
간행물명
Current research on agriculture and life sciences
권/호정보
2014년|32권 4호|pp.185-188 (4 pages)
발행정보
경북대학교 농업생명과학대학
파일정보
정기간행물|ENG|
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

The movement, survival, and weight gain of Helicoverpa armigera $H{ddot{u}}bner$ (Lepidoptera: Noctuidae) first instar larvae were studied on CB9, CB10 and SR05 cotton varieties under field conditions. The neonate H. armigera were released on the cotton varieties at the squaring stage of the plants and, after a period of 72 hours, the survival, weight gain, and final location of the larvae were observed. While the different cotton varieties had no effect on the survival and weight gain of the larvae, the release locations on the cotton varieties had a significant influence on the larval survival and weight gain. The larvae fed small squares of the cotton varieties were significantly heavier and showed a higher mortality than the larvae fed leaflets and mature leaves. For the cotton varieties in this study, the larvae released on leaflets showed a significantly higher rate of recovery compared to the larvae released on mature leaves and squares. This study also found that that the larvae on leaflets did not move up or downward unlike the larvae on mature leaves and squares. This information on the foraging behavior of larvae on cotton varieties will assist researchers to interpret field data and thereby help with the development of pest management decisions.