稻水象甲越冬成虫的耐寒力测定
Measurement of cold hardiness in overwintering adults of the rice water weevil, Lissorhoptrus oryzophilus.
张文俊1;蒋明星1;郑雪浩2;程家安1
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DOI:
作者单位:1.浙江大学应用昆虫学研究所,杭州310029;2.浙江省乐清市植物检疫站,乐清35600
中文关键词:稻水象甲;耐寒力;过冷却点;结冰点
英文关键词:Lissorhoptrus oryzophilus; cold hardiness; supercooling point; freezing point
中文摘要:测定了浙江乐清 (北纬 28.14°,东经 120.94°)稻水象甲LissorhoptrusoryzophilusKuschel越冬成虫的耐寒力 ,从 11月下旬至 3月下旬平均过冷却点温度为 -15.3~ -21.2℃ ,结冰点温度为 -14.0~ -18.6℃。结合发生地气温条件 ,讨论了该地冬春季低温对该虫越冬群存活的影
英文摘要:Cold hardiness of overwintering adults of the rice water weevil, Lissorhoptrus oryzophilus Kuschel, were investigated in a population collected from Yueqing (28.14°N,120.94°E), Zhejiang, China.During late November (early winter) and late March (m