实验室条件下灰田蛞蝓(Deroceras reticulatum)在三种不同种子类型上的生存和食物选择

J. Gebauer
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引用次数: 12

摘要

在爱尔兰,灰田蛞蝓(Deroceras reticulatum)是耕地作物中主要的蛞蝓害虫。它可以造成巨大的破坏,但对其捕食生物学的了解有限。在实验室条件下饲养成虫,研究了以玉米、豌豆和小麦种子为食的蛞蝓的存活率、摄食活性和体重变化。小麦处理的死亡率特别高。据推测,高死亡率是由于镰刀菌的一种,然而,镰刀菌感染小麦种子没有得到证实。由于一些鼻涕虫的产蛋量很高,鼻涕虫的体重变化非常不稳定。第二个实验考察了三种种子类型中网纹田鼠的食物选择和摄食活性。大多数蛞蝓喜欢以混合种子为食,但以豌豆种子为食活性最高。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Survival and food choice of the grey field slug (Deroceras reticulatum) on three different seed types under laboratory conditions

In Ireland, the grey field slug (Deroceras reticulatum) is the predominant slug pest species in arable crops. It can cause enormous damage, but the knowledge about its feeding biology is limited.Adult species were reared under laboratory conditions, and the survival, feeding activity, and weight change of slugs when feed on maize, peas, or wheat seeds were investigated. An especially high mortality was experienced in the wheat treatment. It was hypothesised that the high mortality was due to a Fusarium species, however, a Fusarium infection of the wheat seeds was not confirmed. The weight change of the slugs was very variable due to a high egg production of some slugs.A second experiment examined the food choice and feeding activity of D. reticulatum when offered a choice of the three seed types. Most of the slugs preferred to feed on a mixture of seeds, but the highest feeding activity was recorded on the pea seeds.

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