The life table parameters of Megalurothrips usitatus (Thysanoptera: Thripidae) on four leguminous crops
文献类型: 外文期刊
作者: Tang, Liang-De 1 ; Yan, Kai-Li 1 ; Fu, Bu-Li 1 ; Wu, Jian-Hui 2 ; Liu, Kui 1 ; Lu, Yong-Yue 1 ;
作者机构: 1.Chinese Acad Trop Agr Sci, Environm & Plant Protect Inst, Haikou 571101, Peoples R China
2.South China Agr Univ, Coll Nat Resource & Environm, Guangzhou 510642, Guangdong, Peoples R China
关键词: Megalurothrips usitatus;life history;leguminous crops;development;survival rate
期刊名称:FLORIDA ENTOMOLOGIST ( 影响因子:1.425; 五年影响因子:1.595 )
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收录情况: SCI
摘要: The bean flower thrips, Megalurothrips usitatus (Thysanoptera: Thripidae), is an important pest of leguminous crops (Fabales: Fabaceae) in south China. In this study, life history parameters of M. usitatus were investigated on 4 leguminous crops: snap bean (Phaseolus vulgaris L.), cowpea (Vigna unguiculata (L.) Walp.), pea (Pisum sativum L.), and lima bean (Phaseolus limensis Macf.). The development times (mean +/- SE) from egg to adult on snap bean, cowpea, pea, and lima bean pods were 9.53 +/- 0.06, 10.62 +/- 0.14, 11.20 +/- 0.11 and 11.55 +/- 1.13 days, respectively. Survivorship of immatures was high on snap bean (80%) but low on lima bean (48%). The total number of first instars produced was highest on snap bean (sexual reproduction: 112.15 +/- 11.98; parthenogenesis: 195.89 +/- 19.24), and lowest on lima bean (sexual reproduction: 42.17 +/- 2.99; parthenogenesis: 49.50 +/- 3.90). Megalurothrips usitatus had the highest intrinsic rate of increase (r(m)) on snap bean (0.205), followed by cowpea (0.181), pea (0.171), and lima bean (0.125). The results indicate that snap bean was the most suitable host plant for M. usitatus, whereas lima bean was the least suitable.
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