[1]梅丽艳,李志勇.营养与保存条件对玉米弯孢菌叶斑病菌生长及致病力的影响[J].黑龙江农业科学,2014,(01):47-49.
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营养与保存条件对玉米弯孢菌叶斑病菌生长及致病力的影响

《黑龙江农业科学》[ISSN:1002-2767/CN:23-1204/S] 卷: 期数: 2014年01 页码: 47-49 栏目: 出版日期: 2014-01-10
Title:
Effects of Nutrition and Preserving Conditions on Growth and Pathogenicity of Maize Curvularia lunata(Wakker)Boed.
文章编号:
1002-2767（2014）01-0047-03
作者:
梅丽艳; 李志勇
黑龙江省农业科学院 植物保护研究所,黑龙江 哈尔滨 150086
Author(s):
MEI Li-yan,LI Zhi-yong
关键词:
玉米; 新月弯孢菌; 孢子萌发率; 致病力
Keywords:
Institute of Plant Protection; Heilongjiang Academy of Agricultural Sciences; Harbin; Heilongjiang 150086
分类号:
S435.131.49
文献标志码:
A
摘要:
为了防治玉米弯孢菌叶斑病，研究了营养条件和保存条件对玉米弯孢菌叶斑病菌新月弯孢菌[Curvularia lunata(Wakker)Boed.]生长发育及致病力的影响。结果表明：碳源及氮源的种类对菌丝生长有影响，最适碳源为多糖，最适氮源为有机态氮。弯孢菌生命力较强，孢子萌发率除与病菌保存时间长短有关外，还与病菌自身状况有关。保存时间长短与弯孢菌叶斑病发生程度无明显关系，也说明不同年度菌株本身的致病力存在差异。
Abstract:
In order to control Curvularia lunata,the effects of nutritional condition and preserving condition on the growth and pathogenicity were studied.The results showed that carbon and nitrogen source both had effects on growth of mycelium,the optimum carbon source was polysaccharide and the optimum nitrogen source was organic nitrogen.The vitality of Curvularia lunata was stronger,the rate of spore germination was related with saving time of germs and pathogen condition.There was no obvious relationship between occurrence degrees of Curvularia leaf spot and saving time which explained different pathogenicity in different strains of different years.

参考文献/References:

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备注/Memo

第一作者简介：梅丽艳（1962-），女，黑龙江省哈尔滨市人，硕士，研究员，从事玉米病害研究。E-mail：meiliyan2013@126.com。

更新日期/Last Update: 2014-12-07