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首页> 外文期刊>Journal of entomology >Evaluation of Jatropha curcas and Annona muricata seed crude extracts against Sitophilus zeamais infesting stored rice.
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Evaluation of Jatropha curcas and Annona muricata seed crude extracts against Sitophilus zeamais infesting stored rice.

机译:评价麻疯树和麻风扁桃种子粗提物对藏稻侵染玉米的危害。

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摘要

A laboratory study to test the bioactivity of Jatropha curcas and Annona muricata seed crude extract against Sitophilus zeamais (Coleoptera: Curculionidae) was conducted by using dipping and surface protectant methods. Both J. curcas and A. muricata seed crude extract had contact and stomach poison against S. zeamais. By dipping method, the weevil mortality were 90 and 70%, respectively at concentration 20% (v/v), whilst by surface protectant method, the weevil mortality was 100% at 0.4% (v/w) concentration for both crude extracts. The J. curcas and A. muricata seed crude extracts applied on rice grain (surface protectant method) can reduced the F1 progeny production, weight loss and rice grain damaged. This result suggests that the J. curcas and A. muricata seed crude extracts may have the potential to be used in controlling S. zeamais infesting stored rice grain.Digital Object Identifier http://dx.doi.org/10.3923/je.2012.13.22
机译:通过浸入法进行了一项实验研究,以测试麻风树麻疯树和毛栗Annona muricata种子粗提液对玉米(Sitophilus zeamais)(鞘翅目:Curculionidae)的生物活性。和表面保护剂方法。都 J。 curcas 和 A。 muricata 种子粗提取物与 S接触并有胃毒。玉米饼。通过浸涂法,在浓度为20%(v / v)时,象鼻死亡率分别为90%和70%,而通过表面保护剂法,两种粗提物在浓度为0.4%(v / w)时,象鼻死亡率为100%。 J。 curcas 和 A。在水稻籽粒上施用muricata种子粗提取物(表面保护剂方法)可以减少F1子代的产量,体重减轻和水稻籽粒受损。该结果表明 J。 curcas 和 A。 muricata种子粗提物可能具有控制S的潜力。玉米饼侵袭了存储的米粒。数字对象标识符http://dx.doi.org/10.3923/je.2012.13.22

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