Nematicidal Effects of 5-Aminolevulinic Acid on Plant-Parasitic Nematodes

文献类型： 外文期刊

第一作者： Song, Zhiqiang

作者： Song, Zhiqiang;Cheng, Ju'e;Zhang, Deyong;Liu, Yong;Cheng, Feixue;Song, Zhiqiang;Cheng, Ju'e;Zhang, Deyong;Liu, Yong;Wang, Jian

作者机构：

关键词： Bursaphelenchus;Heterodera;Meloidogyne;nematicide;oxidase activity;Patylenchus

期刊名称：JOURNAL OF NEMATOLOGY （ 影响因子：1.402； 五年影响因子：2.012 ）

ISSN： 0022-300X

年卷期： 2017 年 49 卷 3 期

页码：

收录情况： SCI

摘要： Plant-parasitic nematodes are important agricultural pests and often cause serious crop losses. Novel, environmental friendly nematicides are urgently needed because of the harmful effects of some existing nematicides on human health. 5-Aminolevulinic acid (ALA) was reported as a potential biodegradable herbicide, insecticide, or plant-growth promoting agent. Lack of information on ALA against plant-parasitic nematodes prompted this investigation to determine the effects of ALA on Meloidogyne incognita, Heterodera glycines, Pratylenchus coffeae, and Bursaphelenchus xylophilus. A series of in vitro assays and one greenhouse trial were conducted to examine the nematicidal effects of ALA. The results demonstrated that ALA exhibited a strong effect of suppression against the four nematodes tested. ALA also inhibited hatching of M. incognita and H. glycines. Results from the greenhouse experiment indicated that treatment of soil with 6.0 mM ALA significantly reduced the root-gall index (RGI) and egg mass number per root system compared with the uninoculated control (P <= 0.05). The metabolism assays indicated that ALA treatment significantly altered the nematode metabolism including the total protein production, malondialdehyde (MDA) content, and oxidase activities. This study suggested that ALA is a promising nematicide against plant-parasitic nematodes.

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