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首页> 外文期刊>The Canadian Entomologist >Using ground beetles (Coleoptera: Carabidae) to control slugs (Gastropoda: Pulmonata) in salad greens in the laboratory and greenhouse
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Using ground beetles (Coleoptera: Carabidae) to control slugs (Gastropoda: Pulmonata) in salad greens in the laboratory and greenhouse

机译：在实验室和温室中使用地面甲虫（鞘翅目（Coleoptera：Carabidae））控制沙拉蔬菜中的（Gastropoda：Pulmonata）

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Ground beetles common in temperate agroecosystems are predators of crop pests, including slugs (Gastropoda: Pulmonata). Salad green production in greenhouses during autumn and spring can be limited by damage due to slugs and other pests. Introducing ground beetles to greenhouses may help reduce damage and improve yields. In the laboratory, while arenas with only slugs produced nearly no harvestable leaves, the presence of Carabus nemoralis Muller (Coleoptera: Carabidae) increased the number and weight of harvestable leaves to 55% of the amount in control arenas (without slugs or beetles), in addition to reducing the number of slugs. In a second experiment, adult or second-instar Pterostichus melanarius (Illiger) (Coleoptera: Carabidae) were released into greenhouse mesocosms (75 cm diameter steel rings) containing salad greens and slugs. Neither adults nor larvae improved the number or weight of harvestable leaves at the first two harvests, and there was no evidence of slug consumption. Towards the end of the experiment cutworms were common in the mesocosms and contributed to damaging salad greens. Adult P. melanarius likely consumed some cutworms, resulting in small increases in salad green yields at the third harvest. Our results suggest that ground beetles should be further examined as part of an integrated approach to pest control in late and early season salad green production in greenhouses
机译：温带农业生态系统中常见的地面甲虫是农作物害虫的天敌，其中包括（天麻：Pulmonata）。和其他害虫所造成的损害可能会限制秋季和春季温室中的沙拉绿色生产。将地面甲虫引入温室可能有助于减少损害并提高产量。在实验室中，虽然只有的竞技场几乎没有可收获的叶子，但是由于存在了Carabus nemoralis Muller（鞘翅目：Carabidae），可收获的叶子的数量和重量增加到了对照竞技场（没有或甲虫）的数量的55％，除了减少子弹的数量。在第二个实验中，将成年或第二龄的Pterostichus melanarius（Illiger）（鞘翅目：Carabidae）释放到含有沙拉绿和and的温室中膜（直径75厘米的钢环）中。在前两个收获期，成虫和幼虫均未改善可收获叶片的数量或重量，也没有任何消费的迹象。在实验快要结束时，蠕虫在中膜中很常见，并导致了蔬菜色拉损坏。成年P. melanarius可能食用了一些蠕虫，导致第三次收获时沙拉绿色单产略有增加。我们的结果表明，应将地面甲虫作为温室后期和早期沙拉绿色生产中病虫害防治综合方法的一部分进行进一步检查

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