Effect of larval diets on the survival and development of larvae in the cotton bollworm, Helicoverpa armigera Hubner (Lepidoptera: Noctuidae)
Effect of larval diets on the survival and development of larvae in the cotton bollworm, Helicoverpa armigera Hubner (Lepidoptera: Noctuidae)
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DOI：
10.1303/aez.2000.69
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发表时间：
2000-02-01
影响因子：
1.3
通讯作者：
Fujisaki, K
中科院分区：
文献类型：
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作者：
Casimero, V;Tsukuda, R;Fujisaki, K
研究了7种天然饲料(棉铃、棉叶、秋葵果、大豆籽、西红柿果、番茄叶和玉米粒)和一种人工饲料(Insecta LF)对棉铃虫幼虫存活率、幼虫历期、幼虫体育场类型出现频率和蛹重的影响。在大多数饲料中，幼虫早期阶段的存活率显著低于后期阶段。黄秋葵果实和食虫害幼虫幼虫成活率最高(60%)。摄食其他饲料的幼虫中，只有不到60%的幼虫完成了幼虫期。用植物果实或种子饲养的个体的平均幼虫期显著短于用植物叶片饲养的个体的平均幼虫期。棉铃虫幼虫历期在棉叶上最短，在棉叶上最长。棉铃虫、大豆籽粒、玉米粒和天敌的幼虫龄数为5~6个，秋葵和番茄果实为5~7个，棉花和番茄叶片为6~7个。B型在大豆种子、番茄果实、棉花叶片和番茄叶片上较常见。取食天敌Lf的个体平均蛹重最大，取食番茄叶的个体最小。
This study examined the influence of seven natural diets (cotton bell, cotton leaf, okra fruit, soybean seed, tomato fruit, tomato leaf, and corn kernel) and an artificial diet (Insecta LF) on the larval survival rate, larval duration, frequency of larval stadium types and pupal weight in Helicoverpa armigera. On most diets, the survival rate was notably lower in the early larval stage compared to the late one. The percentage of larvae that survived from the Ist-stadium to the end of the larval stage was highest on okra fruit and Insecta LF (> 60%). Less than 60% of the larvae fed on the other diets completed their larval period. The mean larval period was significantly shorter for individuals reared on plant fruits or seeds as well as on Insecta LF than for those reared on plant leaves. The shortest larval duration was recorded on cotton boil while the longest was seen on cotton leaf. The number of larval stadia ranged from 5 to 6 on cotton bell, soybean seed, corn kernel and Insecta LF, 5 to 7 on okra and tomato fruits, and 6 to 7 on cotton and tomato leaves. The five-stadium type was dominant on cotton bell, okra fruit, corn kernel and Insecta LF, while the B-stadium type was common on soybean seed, tomato fruit, cotton leaf and tomato leaf. Mean pupal weight was greatest in individuals fed on Insecta LF and least in those fed on tomato leaf.