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首页> 外文期刊>The Florida entomologist >Host plant preference of Melanotus communis (Coleoptera: Elateridae) among weeds and sugar cane varieties found in Florida sugar cane fields
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Host plant preference of Melanotus communis (Coleoptera: Elateridae) among weeds and sugar cane varieties found in Florida sugar cane fields

机译：在佛罗里达州的甘蔗田中发现的杂草和甘蔗品种中，黑背黑猩猩（鞘翅目：Elateridae）的寄主植物偏好

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摘要

The corn wireworm, Melanotus communis (Gyllenhal) (Coleoptera: Elateridae), is an important soil insect pest of Florida sugar cane (Saccharum spp.; Poaceae). The objective of this study was to determine the host plant preference of M. communis adults and larvae to weeds and sugar cane varieties found in Florida sugar cane fields. Three sugar cane varieties, 3 grass weeds, and 3 broadleaf weeds were tested for their attraction to the insects in free choice tests. After a 24 h exposure to whole plant extracts (juices), most adults were found in sugar cane varieties, followed by grass weeds, then broadleaf weeds. After a 48 h exposure to chopped roots in muck soil, most larvae were found in sugar cane varieties, followed by grass weeds, then broadleaf weeds. After a 48 h exposure to chopped roots in sandy soil, most larvae were found in sugar cane varieties, followed by broadleaf weeds, then grass weeds. Our data show that in free choice tests, both M. communis adults and larvae prefer sugar cane over weeds present in Florida sugar cane fields.
机译：玉米线虫（Melanotus communis（Gyllenhal））（鞘翅目：Elateridae）是佛罗里达甘蔗（Saccharum spp .;禾本科）的一种重要的土壤害虫。这项研究的目的是确定寄主分枝成虫和幼虫对佛罗里达州甘蔗田中发现的杂草和甘蔗品种的偏爱。在自由选择测试中，测试了三种甘蔗品种，三种草杂草和三种阔叶杂草对昆虫的吸引力。暴露于全植物提取物（汁液）24小时后，发现大多数成年者是甘蔗品种，其次是草杂草，然后是阔叶杂草。在粪土中切碎的根部暴露48小时后，大多数幼虫发现于甘蔗品种中，其次是草杂草，然后是阔叶杂草。在沙质土壤中切碎的根部暴露48小时后，大多数幼虫发现于甘蔗品种中，其次是阔叶杂草，然后是草类杂草。我们的数据显示，在自由选择测试中，沙门氏菌成虫和幼虫都喜欢甘蔗，而不是佛罗里达州甘蔗田中的杂草。

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