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紫云英和油菜是越冬代黏虫迁飞期间补充营养的重要蜜源植物,紫云英是1966-1978年黏虫频繁特大暴发的关键因子。2013年3月在广东信宜、广西壮族自治区永福的观察结果表明:油菜和紫云英白天花朵开放程度高,晚上花冠收拢;白天油菜完全开花的持续时间要大于紫云英,晚上紫云英花朵合拢的紧密度要低于油菜。本文讨论了晚间花朵合拢程度和方式对黏虫补充营养的可能影响。
Astragalus sinicus and oilseed rape were the important nectar plants that supplemented the migratory winter migrant adults, and the key factor of the frequent outbreak of the armyworms in 1966-1978 was astragalus sinicus. In March 2013 in Xinyi, Guangdong Province, Guangxi Zhuang Autonomous Region Yongfu observations showed that: rape and astragalus daytime high degree of opening up the evening corolla Shoulong; rape during the full flowering of the duration is greater than the milk vetch, evening milk vetch The closeness of the flowers is lower than the rape. This article discusses the possible effects of late-blooming folds and patterns on the nutritional supplementation of the armyworm.