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当前位置: 首页 > 文章 > 拮抗放线菌固态发酵菌剂及其盆栽促生效果 北方园艺 2017 (8) 124-128
Position: Home > Articles > Solid Fermentation of Antagonistic Actinomycetes and Effect of Promoting Plant Growth in Pot Northern Horticulture 2017 (8) 124-128

拮抗放线菌固态发酵菌剂及其盆栽促生效果

作  者：
顾志光;徐文凤;范玲超;胡兆平;陈清
单  位：
金正大生态工程集团股份有限公司;养分资源高效开发与综合利用国家重点实验室
关键词：
放线菌;固体发酵;促生;拮抗微生物;植物病原菌
摘  要：
以不同放线菌为试材,采用平板对峙的方法,筛选出3株强拮抗效果的放线菌,并优化其固体发酵条件,以苋菜为供试作物,研究了不同浓度固体放线菌菌剂对苋菜的促生效果。结果表明:放线菌经由固体发酵后获得的菌剂活菌数最高为1.64×1010 cfu·g~(-1),施用3株放线菌菌剂对苋菜均具有较强的促生效果,其中A1和A5为黄赭色链霉菌(Streptomyces silaceus),A2为娄彻氏链霉菌(Streptomyces rochei)。A1菌剂用量为0.1g·kg~(-1)土时的促生效果最优,较对照增产13.35%,继续提高施用量反而抑制苋菜生长。试验结果表明,不同的放线菌菌株的作用机理和作用效果不同,施用量也有差异。
译  名：
Solid Fermentation of Antagonistic Actinomycetes and Effect of Promoting Plant Growth in Pot
作  者：
GU Zhiguang;XU Wenfeng;FAN Lingchao;HU Zhaoping;CHEN Qing;Kingenta Ecological Engineering Group Co.Ltd.;State Key Laboratory of Nutrition Resources Integrated Utilization;College of Resources and Environment,China Agricultural University;
关键词：
actinomycetes;;solid fermentation;;growth promoting;;antagonistic microorganisms;;plant pathogenic bacteria
摘  要：
In order to explore the promoting plant growth effect of different actinomycetes,three actinomycetes strains were selected with strong antagonistic effect on two pathogens,to optimize the solid fermentation conditions.Amaranth was used as test plant,the effect of different amount of actinomycetes on growth was studied.The results showed that the highest number of solid fermentation agents reached 1.64×1010 cfu·g~(-1), three strains of antimicrobial actinomyces had strong promoting effect.Compared with the control treatment,the growth promoting effect of strain A1 was optimal with dosage of 0.1g·kg~(-1) soil,the yield increased 13.35%.With the application rate increased,growth promoting effect was enhanced.It inhibited the growth of amaranth by more addition.It showed the different mechanism and effects of actinomycetes were different.

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