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Bio-degradation of Precocene II by Novosphingobium capsulatum

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文献类型：外文期刊

作者： Li, Qinfen ² ; Zou, Yukun ² ; Li, Guangyi ² ; Zhang, Guihua ¹ ;

作者机构： 1.Chinese Acad Trop Agr Sci, Environm & Plant Protect Inst, Haikou 571101, Hainan Province, Peoples R China

2.Minist Agr, Dept Agr, Danzhou Agr Environm Sci Observat Lab, Danzhou 571737, Hainan Province, Peoples R China

3.Minist Agr, Key Lab Pests Comprehens Governance Trop Crops, Danzhou 571737, Hainan Province, Peoples R China

期刊名称：ALLELOPATHY JOURNAL （影响因子：0.962；五年影响因子：0.99 ）

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收录情况： SCI

摘要： Precocene II is a major allelochemical produced by the weed Ageratum conyzoides. Its degradation is important in the recovery of A. conyzoides invaded plant communities. Using a strain of N. capsulatum isolated from the A. conyzoides invaded/infested soil; we examined the effects of various factors viz., incubation time, temperature, initial pH, and carbon and nitrogen source on the degradation of precocene II. We found that under optimal conditions with supplementation with a carbon and nitrogen source, up to 79.8% precocene II is degraded by N. capsulatum.

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