胜红蓟根系分泌物土壤浸提液在石榴枯萎病生物防治中的作用初探

doi:10.11923/j.issn.2095-4050.cjas17030007

农学学报 ›› 2018, Vol. 8 ›› Issue (4): 19-22.doi: 10.11923/j.issn.2095-4050.cjas17030007

所属专题：园艺

胜红蓟根系分泌物土壤浸提液在石榴枯萎病生物防治中的作用初探

黄邦成,魏丹丽,李铷,汤东生

云南农业大学植物保护学院,云南农业大学植物保护学院,云南农业大学植物保护学院,云南农业大学植物保护学院

收稿日期:2017-03-05 修回日期:2017-04-23 接受日期:2017-04-30 出版日期:2018-04-20 发布日期:2018-04-20
通讯作者: 汤东生 E-mail:eastuptang
基金资助:
国家自然科学基金“胜红蓟增强枯草芽孢杆菌在石榴根际定殖的机理探究”(31660555)；云南省应用基础研究计划“胜红蓟增强枯草芽孢杆菌控制石榴枯萎病的机理探索”(2013FB040)。

Primary Study on Soil Extraction of Ageratum conyzoides Root Exudates on Disease of Pomegranate Wilt Biological Control

Received:2017-03-05 Revised:2017-04-23 Accepted:2017-04-30 Online:2018-04-20 Published:2018-04-20

摘要/Abstract

摘要： 为进一步明确胜红蓟根系分泌物在提高枯草芽孢杆菌控制石榴枯萎病的作用途径，以胜红蓟土壤提取液为研究对象，利用室内试验检测不同浓度胜红蓟土壤浸提液对生防菌枯草芽孢杆菌和石榴枯萎病菌生长的作用。结果表明，胜红蓟土壤浸提液对生防菌枯草芽孢杆菌的生长具有促进作用，而对石榴枯萎病菌没有明显的作用。以上结果说明，胜红蓟促进枯草芽孢杆菌控制石榴枯萎病防治效果主要是通过促进生防菌的生长而起作用，而对病原菌石榴枯萎病菌没有明显的直接抑制作用

关键词: 湖北, 湖北, 薄壳山核桃, 差异性, 物候期, 坚果品质

Abstract: To clarity the mode of Ageratum conyzoides root exudates in promoting the biocontrol effect on pomegranate wilt, a laboratory experiment was conducted to examine soil solution of A. conyzoides root exudates on growth of the strain of Bacillus subtilis and the pathogen of Ceratocystis fimbriata. It was showed that soil solution of A. conyzoides root exudates promoted proliferation of B. subtilis. However, no obvious role was observed for root exudates of A. conyzoides in hypha growth of C. fimbriata. The results suggested that the effect of A. conyzoides on controlling pomegranate wilt relied on promoting the growth of B. subtilis, not by influencing the growth of C. fimbriata directly.

黄邦成,魏丹丽,李铷,汤东生. 胜红蓟根系分泌物土壤浸提液在石榴枯萎病生物防治中的作用初探[J]. 农学学报, 2018, 8(4): 19-22.

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胜红蓟根系分泌物土壤浸提液在石榴枯萎病生物防治中的作用初探

Primary Study on Soil Extraction of Ageratum conyzoides Root Exudates on Disease of Pomegranate Wilt Biological Control

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