The Adaptability of Beet Webworm (Loxostege sticticalis) to Soybeans and Other Different Host Plants

文献类型： 外文期刊

第一作者： Ji, Xingwei

作者： Ji, Xingwei;Jiang, Xingfu;Yin, Jiao;Chen, Julian;Tan, Xiaoling;Ji, Xingwei;Ding, Tianbo

作者机构：

关键词： beet webworm; host selectivity; life table; flight capability; adaptability

期刊名称：AGRONOMY-BASEL （ 影响因子：3.4； 五年影响因子：3.8 ）

ISSN：

年卷期： 2024 年 14 卷 11 期

页码：

收录情况： SCI

摘要： The beet webworm Loxostege sticticalis has caused significant economic losses to the production of agriculture and animal husbandry in China. Preference testing of larva feeding and adult oviposition and flight capability tests were carried out on five host plants: soybean, pigweed, pea, broad bean, and alfalfa. An experimental population life table and population growth trends over the subsequent 200 days were constructed. The test results show that the larvae showed no significant preference among different plants. However, adults lay more eggs on soybeans. The pests failed to complete a generation when fed on broad beans and alfalfas. When fed on pigweed, they showed the shortest larvae development period, the heaviest pupal weight, the longest adult longevity, and the largest egg-laying amount. The net reproductive rate (R0), intrinsic rate of increase (r), finite rate of increase (lambda), and simulated population growth trend of the pests fed on pigweed show the highest values, and those fed on peas showed the lowest values. The total flight distance and flight time of adults fed on pigweed and soybeans were significantly greater compared to those fed on peas. In summary, beet webworms fed on pigweed showed the fastest development and reproduction, the largest population, and the strongest flight capability.

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