粮油食品科技
赤拟谷盗和玉米象的相互关系研究(网络首发、推荐阅读)
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A Study on the Relationship Between Sitophlus Zeamais and Tribolium Castaneum(Online First, Recommended Article)
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    在75%RH、30 ℃条件下通过相互选择性实验、单独饲养和混合饲养实验研究赤拟谷盗和玉米象在小麦中的相互关系。研究结果表明:在相同生态环境中,赤拟谷盗和玉米象间的相互选择行为不明显。在小麦中单独饲养情况下,赤拟谷盗种群中成虫数量随处理时间延长先减少后增加,且增长缓慢,在处理56 d后最大成虫数量增加为起始虫数的11.5倍;而玉米象种群中成虫数量随处理时间延长而显著增加,在处理56 d后最大种群中成虫数量增加为起始虫量的53.9倍。与单独饲养相比,在小麦中混合饲养时,赤拟谷盗和玉米象的繁殖速率和种群中成虫数量都显著增加,在处理56 d后最大种群中成虫数量分别增加为起始虫量的20.3倍和93.4倍。因此,赤拟谷盗和玉米象均为小麦储藏过程中重要害虫,玉米象的危害对赤拟谷盗种群增长有促进作用。

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    The relationship between T. castaneum and S. zeamais was studied through reciprocal selectivity experiment, single rearing and mixture rearing at 30 ℃, 75% RH. The results showed that the mutual selection behavior between the two species was not obvious in the same ecological environment. The number of T. castaneum adults in the population decreased first, then increased slowly with increasing treatment time, the maximum number of adults in the population reaching 11.5 times of the initial number after 56 d rearing alone in wheat. while the number of S. zeamais adults in the population increased obviously with increasing treatment time, and reaching 53.9 times of the initial number after 56 d rearing alone in wheat. Compared with rearing alone, the number of adults in the population of both T. castaneum and S. zeamais significantly increased under mixture rearing in wheat, the maximum adults in the population reaching 20.3 and 93.4 times of the initial number respectively after 56 d. Therefore, both T. castaneum and S. zeamais are important pest insects during wheat storage, and the S. zeamais infestation can promote the growth of T. castaneum population.

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吕建华,古成才,郭亚飞.赤拟谷盗和玉米象的相互关系研究(网络首发、推荐阅读)[J].粮油食品科技,2020,28(5):69-73.

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  • 在线发布日期: 2020-09-16
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