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首页> 美国卫生研究院文献>Journal of Insect Science >Comparative life tables of the potato tuberwormPhthorimaea operculella on leaves and tubers of different potato cultivars
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Comparative life tables of the potato tuberwormPhthorimaea operculella on leaves and tubers of different potato cultivars

机译：马铃薯块茎虫的比较寿命表小菜豆在不同马铃薯品种的叶和块茎上

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摘要

The potato tuberworm, Phthorimaea operculella Zeller (Lepidoptera: Gelechiidae), is a serious pest of the potato, Solanum tuberosum L. (Solanales: Solanaceae), in both fields and stores in tropical and subtropical regions. In the present study, the susceptibility of different potato cultivars to P. operculella was evaluated by measuring life table parameters. Tests were undertaken with leaves and tubers of 10 potato cultivars in the laboratory: Agria, Agata, Almera, Arinda, Baneba, Fiana, Marfona, Ramus, Satina, and Volvox. All parameters showed significant differences among tested cultivars. The longest mean generation times were observed on Marfona and Satina cultivars in the experiments on potato leaves and tubers, respectively. The lowest reproductive rate was observed on leaves and tubers of Marfona cultivar. Correspondingly, the lowest values of intrinsic rate of increase and the lowest finite rate of increase were also obtained on Marfona cultivar in tests on potato leaves and tubers. The highest intrinsic rate of incrase values were observed on Arinda and Baneba in the tests on leaves and tubers, respectively. The intrinsic rates of increase were significantly higher on potato leaves than on potato tubers. The lower performance of P. operculella on Marfona cultivar indicated that this cultivar is relatively less susceptible this pest and could be used in integrated pest management programs of P. operculella .
机译：马铃薯块茎虫（Phthorimaea operculella Zeller）（鳞翅目：Gelechiidae）是马铃薯Solanum tuberosum L.（Solanales：茄科）的一种严重害虫，在田间和热带和亚热带地区都有存储。在本研究中，通过测量生命表参数评估了不同马铃薯品种对小菜的敏感性。在实验室中对10个马铃薯栽培品种的叶和块茎进行了测试：阿格里亚（Agria），阿加塔（Agata），阿尔梅拉（Almera），阿林达（Arinda），巴内巴（Baneba），菲亚纳（Fiana），马尔福纳（Marfona），拉木斯（Ramus），Satina和沃尔沃（Volvox）。所有参数显示了测试品种之间的显着差异。在分别对马铃薯叶和块茎进行的实验中，在Marfona和Satina品种上观察到了最长的平均发生时间。在Marfona品种的叶子和块茎上观察到最低的繁殖率。相应地，在马铃薯叶和块茎的试验中，Marfona品种也获得了最低的内在增长率和最低的有限增长率。分别在叶片和块茎上的试验中，在Arinda和Baneba上观察到最高的内在吸收率值。马铃薯叶片的内在增加速率显着高于马铃薯块茎。小菜蛾对Marfona品种的表现较低，表明该品种对害虫的敏感性相对较低，可用于小菜蛾的害虫综合治理计划。

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