Preparation and Control Efficiency of Seed Coating Agent by Antagonistic Actinomycetes Against Clubroot

Yating Song, Yun Huang, Xuegui Wang, Jing Shang and Hui Yang

Journal of Agricultural Science, 2014, vol. 6, issue 3, 132

Abstract: In order to better use the antagonistic actinomycetes strain F22-29, the formula of the seed coating with the fermentation broth of F22-29 strain was screened and optimized by two orthogonal designed tests. The results showed that the best formula of seed coating agent was 1% sodium lignin sulfonate- 2% carboxy methylcellulose sodium- 2% dextrin. Compared with the root irrigation of the fermentation broth, the control efficiency of the seed coating against Rape Plasmodiophora brassicae was increased by 38.11%, and that of the seed coating against the Clubroot Disease in Brassica napus was increased by 63.16%. For Chinese cabbage coated seed, the control efficiency was increased by 15.78%.

Date: 2014
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