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首页> 外文期刊>Nematropica >SUPPRESSION OF ROTYLENCHULUS RENIFORMIS BY CROTALARIA JUNCEA, BRASSICA NAPUS, AND TAGETES ERECTA
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SUPPRESSION OF ROTYLENCHULUS RENIFORMIS BY CROTALARIA JUNCEA, BRASSICA NAPUS, AND TAGETES ERECTA

机译：猪屎肠，芸苔和勃艮第对肾小球菌的抑制作用

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摘要

The effects of Crotalaria juncea , Brassica napus and Tagetes erecta on resistance, allelopathic suppression, and enhancement of nematode antagonists against Rotylenchulus reniformis were examined in a series of greenhouse experiments. Crotalaria juncea and B. napus are poor hosts to R. reniformis as compared to Vigna unguiculata . Tagetes erecta was as good a host for R. reniformis as was Ananas comosus. Crotalaria juncea delayed the development of female nematodes compared to V. unguiculata . Allelopathic effects against R. reniformis were most pronounced in leaf leachate of C. juncea 2 days after incorporation where the viability of the nematode was suppressed to 0.5% as opposed to 60% when the R . reniformis were incubated overnight in leachates of B. napus , T. erecta , A. comosus , sand or distilled water. Amendment with C. juncea was most efficient in enhancing parasitic nematode-trapping fungi, R. reniformis egg-parasitic fungi, vermiform stage parasites, and bacterivorous nematodes compared to B. napus, and T. erecta leaf amendments. Bare soil and 1,3-Dichloropropene treatments suppressed nematode-trapping fungal population densities. Suppression of R. reniformis development on V . unguiculata by these crop amendments was inconclusive due to the short cowpea bioassay period. However, C. juncea amendments enhanced cowpea growth more than did the other soil amendment treatments. Among the crops tested, C. juncea is the most promising cover crop for R. reniformis management.
机译：在一系列温室实验中，研究了猪屎豆，油菜和直立万寿菊对轮虫的抗性，化感抑制和增强的线虫拮抗作用。与Vigna unguiculata相比，猪屎芥和B. napus都是R. reniformis的寄主。 Tagetes erecta和Ranaformus一样都是很好的寄主。与V. unguiculata相比，猪屎属猪屎属延迟了女性线虫的发育。掺入后2天，在念珠菌叶片浸出液中，对肾形目线虫的化感作用最明显，线虫的活力被抑制为0.5％，而R时为60％。肾形目在欧洲油菜（B. napus），直立螺旋杆菌（T. erecta），古罗马曲霉（A. comosus），沙子或蒸馏水中浸出过夜。与甘蓝型油菜和直立三叶草的改良相比，对芥菜梭菌的改良最有效地增强了寄生线虫诱捕真菌，肾形念珠菌卵寄生真菌，蠕形阶段寄生虫和细菌性线虫。裸土和1,3-二氯丙烯处理抑制了捕线虫的真菌种群密度。在V上抑制R. reniformis发育。由于cow豆的生物测定期短，因此这些作物修订案的不确定性尚无定论。然而，C.juncea改良剂比其他土壤改良剂处理更能促进cow豆生长。在所测试的农作物中，C。juncea是最有希望用于黑麦芽孢菌管理的遮盖作物。

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