Pathogen Identification and Two Inoculation Method of Fusarium Crown and Root Rot

doi:10.7668/hbnxb.2017.05.019

Abstract

Abstract: In order to identify the pathogenic fungi which causing tomato bacterial wilt in Fengnan District of Hebei Province.This study proved the disease as Bipolaris sorokiniana by pathogen isolation,pathogenicity test,morphological observation,and rDNA-ITS gene sequence analyses was caused by Fusarium oxysporum f.sp.radicis-lycopersici(Forl).The result showed that the mortality and morbidity of stem based inoculation were higher than root soaking inoculation.So,the disease with stem based inoculation developed faster.The study provided theoretical basis for the breeding of disease resistance and the screening of the fungicides.

Key words: Tomato, Fusarium crown and root rot, Identification of pathogenic bacteria, Root soaking inoculation, Inoculation on the base of stem

CLC Number:

S436.412

ZHANG Shangqing, HAN Xiaoqing, MIAO Zuoqing, WU Zhihui, ZHANG Lijiao. Pathogen Identification and Two Inoculation Method of Fusarium Crown and Root Rot[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2017, 32(5): 124-129. doi: 10.7668/hbnxb.2017.05.019.

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