中国生物防治学报2023，Vol.39Issue(5)：1266-1274,9.DOI:10.16409/j.cnki.2095-039x.2023.02.048
多粘类芽胞杆菌JE53对香梨采后黑斑病菌抑制效果及贮藏品质的影响
Effect of Paenibacillus polymyxa JE53 on Korla Pear Black Spot Pathogen and Fruit Quality during Storage
摘要
Abstract
In order to lay a foundation for the biological control of postharvest black spot of fragrant pear,the inhibition effect of Bacillus polymyxa JE53 on Alternaria alternata and the storage quality of fragrant pear were studied.Fragrant pear fruits were treated with sterile water(CK)and 1-methylcyclopropene(1-MCP)respectively as control group and treated with JE53 fermentation liquid as treatment group.Some of them were inoculated with A.alternata after being punctured,and stored in an artificial weather box to determine the inhibitory effect of JE53 on A.alternata.The others were stored in an artificial weather box to determination of fruit storage quality and physiological characteristics.The results showed that JE53 can effectively inhibit the growth of pear black spot fungus on pear fruit,and the antibacterial rate was 30.73%after inoculation and storage for 144 hours.It could also significantly increase peroxidase,catalase,and phenylalanine in pear fruit.In addition,the peel color,hardness,soluble solid and titrable acid content of pear fruits of the treatment group were better than those of the control group.The accumulation of malondialdehyde and the loss of ascorbic acid as well as the fruit weight loss rate was reduced.In conclusion:JE53 can effectively inhibit the growth of the pathogenic bacteria of black spot disease in fragrant pears after harvest,and can maintain the fruit quality better,it can be used as a resource of biocontrol bacteria for postharvest black spot disease in fragrant pears.关键词
多粘类芽胞杆菌/生物防治/贮藏品质/生理特性Key words
Paenibacillus polymyxa/biological control/storage quality/physiological property分类
农业科技引用本文复制引用
郝金辉,包慧芳,林胜楠,吴梓菲,王宁,詹发强,史应武,何亚芳,杨蓉,侯新强..多粘类芽胞杆菌JE53对香梨采后黑斑病菌抑制效果及贮藏品质的影响[J].中国生物防治学报,2023,39(5):1266-1274,9.基金项目
农业科技创新稳定支持项目(xjnkywdzc-2023005-6) （xjnkywdzc-2023005-6）
新疆自治区优秀青年科技人才培养项目(2020Q027) （2020Q027）
新疆农业科学院科技创新重点培育专项(xjkcpy-2020006) （xjkcpy-2020006）
