Soil application of Trichoderma asperellum GDFS1009 granules promotes growth and resistance to Fusarium graminearum in maize

HE An-le; LIU Jia; WANG Xin-hua; ZHANG Quan-guo; SONG Wei; CHEN Jie

首页> 中文期刊> 《农业科学学报（英文版）》 >Soil application of Trichoderma asperellum GDFS1009 granules promotes growth and resistance to Fusarium graminearum in maize

Soil application of Trichoderma asperellum GDFS1009 granules promotes growth and resistance to Fusarium graminearum in maize

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Of diseases affecting maize (Zea mays),Fusarium graminearum is one of the most common pathogenic fungi that cause stalk rot.In the present study,the Trichoderma asperellum GDFS1009 strain was shown to be an effective biocontrol agent against stalk rot.In a confrontation culture test,Trichoderma strain displayed an approximately 60％ inhibition rate on the mycelial growth of F.graminearum.In pot trials,the application of 2 g/pot of T.asperellum GDFS1009 granules had the best control effect on stalk rot at the seedling stage (up to 53.7％),while the average plant height and fresh weight were also significantly improved.Additionally when fertilizer was added at 8 g/pot,the application of 3 g/pot of Trichoderma granules had the best control effect on maize stalk rot (40.95％).In field trials,when inoculating F.graminearum alone,the disease index for inoculating was 62.45,but only 31.43 after treatment with T.asperellum GDFS 1009 granules,suggesting a control efficiency of 49.67％.Furthermore,in a naturally F.graminearum-infected field,Trichoderma granules,when applied for 3 consecutive years,showed significant control of stalk rot and increased yields.

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《农业科学学报（英文版）》 |2019年第3期|599-606|共8页
作者
HE An-le; LIU Jia; WANG Xin-hua; ZHANG Quan-guo; SONG Wei; CHEN Jie;
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作者单位

School of Agriculture and Biology, Shanghai Jiao Tong University/State Key Laboratory of Microbial Metabolites/Key Laboratory of Urban Agriculture(South), Ministry of Agriculture, Shanghai 200240, P.R.China;

School of Agriculture and Biology, Shanghai Jiao Tong University/State Key Laboratory of Microbial Metabolites/Key Laboratory of Urban Agriculture(South), Ministry of Agriculture, Shanghai 200240, P.R.China;

School of Agriculture and Biology, Shanghai Jiao Tong University/State Key Laboratory of Microbial Metabolites/Key Laboratory of Urban Agriculture(South), Ministry of Agriculture, Shanghai 200240, P.R.China;

Institute of Cereal and Oil Crops, Hebei Academy of Agriculture and Forestry Sciences, Shijiazhuang 050031, P.R.China;

Institute of Cereal and Oil Crops, Hebei Academy of Agriculture and Forestry Sciences, Shijiazhuang 050031, P.R.China;

School of Agriculture and Biology, Shanghai Jiao Tong University/State Key Laboratory of Microbial Metabolites/Key Laboratory of Urban Agriculture(South), Ministry of Agriculture, Shanghai 200240, P.R.China;

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Soil application of Trichoderma asperellum GDFS1009 granules promotes growth and resistance to Fusarium graminearum in maize

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