|Table of Contents|

Isolation and Identification of Bacillus amyloliquefaciens 7T6 and Biological Control of Powdery Mildew of Honeysuckle

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2022年11
Page:
95-103
Research Field:
Publishing date:

Info

Title:
Isolation and Identification of Bacillus amyloliquefaciens 7T6 and Biological Control of Powdery Mildew of Honeysuckle
Author(s):
FENG Zhengguang; WANG Xuezhong; LIU Xiaodong; LIU Jin; YANG Jinku; LIU Na
(Lang Fang Academy of Agricultural and Forestry Sciences,Langfang,Hebei 065000)
Keywords:
Bacillus amyloliquefaciens 7T6; isolation; identification; powdery mildew of honeysuckle; control
PACS:
-
DOI:
10.11937/bfyy.20214251
Abstract:
Brown spot pathogen Phomopsis sp.,black spot pathogen Chaetomium bostrychodes,Fusarium oxysporum,Alternaria,and powdery mildew of Microsphaera lonicerae were used as materials.Plate confrontation culture and field effectiveness test methods were adopted to study the antagonistic activity and field control effect of rhizosphere soil microorganism of honeysuckle,in order to screen out a biocontrol potential bacterium with the best control effect on powdery mildew of honeysuckle in the field.The results showed that among the 6 strains of bacteria with biocontrol potential, Bacillus amyloliquefaciens 7T6 was the best one on control effect on powdery mildew of honeysuckle.The field randomized block experiments showed that on the 3rd day of the experiments,the control effect of Bacillus amyloliquefaciens 7T6 fermentation broth on powdery mildew of honeysuckle was slightly lower than that of 43% tebuconazole SC.When the experiments went on 7th day,the efficacy of Bacillus amyloliquefaciens 7T6 fermentation broth reached 81.22% and 88.47% at the dosage of 325 g?(15kg)-1 and 650 g?(15kg)-1,which was not significantly different from that of 43% tebuconazole SC control effect (87.40%).The results that although the fast-acting property of Bacillus amyloliquefaciens 7T6 fermentation broth was slightly lower than that of tebuconazole,but the efficacy persistence of Bacillus amyloliquefaciens 7T6 fermentation broth was obvious,and the effects were also significant on improving the color of honeysuckle leaves and promoting the growth of shoots.

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Last Update: 2022-07-19