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Control of Southern Root-knot Nematodes on Tomato and Regulation of Soil Bacterial Community by Biofumigation with zanthoxylum bungeanum seed

引用

Horticultural Plant Journal 2021年第1期7卷 49-58页

作者： Xiaoyun Wang Wencong Shi Jilei Wang Zheng Gao Shuang Li Ningxin Wang Qinghua Shi College of Horticulture Science and Engineering Shandong Agricultural UniversityTai’an 271018China College of Life Sciences Shandong Agricultural UniversityTai’an 271018China College of Plant Protection Shandong Agricultural UniversityTai’an 271018China State Key Laboratory of Crop Biology Shandong Agricultural UniversityTai’an 271018China Shandong Liangjian Bioengineering Co. Ltd.Jinan 271100China

Biofumigation is an environmentally friendly strategy used to control nematodes and plant *** volatile oil of zanthoxylum bungeanum has high insecticidal and antibacterial ***,it is not known if the seed of *** is a suitable material for biofumigation to control southern root-knot nematodes(SRKN)on tomato,and how it may regulate the soil bacterial community *** used pot experiments in the greenhouse to determine the effects of *** seeds on SRKN,plant growth parameters,soil physicochemical and microbial characteristics.A total of 26 volatile components,including nematicidally active substances,were identified from *** *** seed biofumigation significantly reduced the SRKN population by 88.89%and 81.55%on the 50th and 100th day after transplanting,*** to the control,the total soluble sugar,soluble solids,soluble protein,titratable acid,root activity and the fruit yield per tomato plant increased *** content of soil alkali-hydrolyzed nitrogen,available potassium and the soil enzyme activities were also significantly *** soil bacterial diversity and the co-occurrence network complexity were increased by *** seed *** keystone OTUs in biofumigation soil had potential plant growth-promoting *** function of *** seed increasing tomato production in SRKN-infected soil depends on directly killing SRKN and improving soil *** results indicate that *** seed can be used as both a nematicide and a high quality organic fertilizer in tomato production.

关键词： biofumigant zanthoxylum bungeanum seed root-knot nematode tomato soil bacterial community

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