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西藏飞蝗各发育阶段的耐寒性

Cold-hardiness of Locusta migratoria tibetensis in each developmental stage

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【Author】 WANG Si-Zhong1,LI Qing 2,FENG Chuan-Hong3,ZHANG Min2,JIANG Fan3,YANG Gang4,LUO Lin-Ming3(1.Chengdu Plant Park,Chengdu 610083,China;2.Sichuan Agricultural University,Ya’an 625014,China;3.Plant Protection Station of Sichuan Agricultural Department,Chengdu 610041,China;4.Plant Protection and Quarantine Station of Ganzi State,Sichuan Kangding 626000,China)

【机构】成都市植物园；四川农业大学农学院；四川省农业厅植物保护站；甘孜州植保植检站；四川省农业厅植物保护站成都610083；雅安625014；成都610041；康定626000；

【摘要】西藏飞蝗Locusta migratoria tibetensis Chen是青藏高原的重要农牧业害虫。对该虫各发育阶段的过冷却点和结冰点的测定表明,西藏飞蝗卵的过冷却点和结冰点为最低,分别为-22.02℃、-16.36℃,4龄蝻的过冷却点和结冰点最高,分别是-6.46℃和-5.05℃,西藏飞蝗在甘孜以卵越冬。更多还原

【Abstract】 Locusta migratoria tibetensis Chen is an important pest of agriculture and animal husbandry in Qinghai-Tibet Plateau.The super-cooling point and freezing point of the L.migratoria tibetensis in each developmental stage were tested.The results indicated that the super-cooling point and freezing point of egg were the lowest among all stages,which was-22.02℃ and-16.36℃,respectively.The super-cooling point and freezing point of 4th instar nymph were the highest among all nymph stages,which were-6.46℃ and-5.05℃ respectively.So L.migratoria tibetensis overwinters in egg in Ganzi State,Sichuan.更多还原

【关键词】西藏飞蝗；过冷却点；结冰点；耐寒性；
【Key words】 Locusta migratoria tibetensis； super-cooling point； freezing point； cold-hardiness；

【基金】四川省科技厅应用基础项目(05JY029-007-3)

【文献出处】昆虫知识 ,Chinese Bulletin of Entomology , 编辑部邮箱 ,2007年06期

【分类号】S433
【被引频次】21
【下载频次】240

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