|Table of Contents|

Pathogen Identification and Screening of the Fungicides of Citrullus lanatus Gummy Stem Blight in Jilin Province

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2020年23
Page:
16-23
Research Field:
Publishing date:

Info

Title:
Pathogen Identification and Screening of the Fungicides of Citrullus lanatus Gummy Stem Blight in Jilin Province
Author(s):
CHEN Yue1; 2; SUN Donghan1; SUN Yumiao1; ZHAO Tingchang3; BAI Qingrong1
(1.College of Plant Protection,Jilin Agricultural University,Changchun,Jilin 130118；2.Agricultureal and Rural Service Center in Heihe,Heihe Heilongjiang 164300;3.Institute of Plant Protection,Chinese Academy of Agricultural Sciences,Beijing 100193)
Keywords:
Citrullus lanatus; gummy stem blight; pathogen identification; fungicides susceptibility
PACS:
-
DOI:
10.11937/bfyy.20200361
Abstract:
Pathogens which caused Citrullus lanatus leaves were gotten by tissue isolated method.Species identification of Citrullus lanatus gummy stem blight in 7 cities and counties of Jilin Province was done by pathogenicity,and the susceptibility of the pathogen representative strains in different areas to 24 fungicides was tested to determine effective treatments for controlling Citrullus lanatus gummy stem blight by the method of mycelia growth rate.The results showed that morphology and triple PCR.334 strains of Stagonosporopsis spp.were obtained,including 332 dominant strains of S.citrulli,and only two strains of S.caricae.the sensitivity of representative strains from different area to the same fungicides was slight different significantly.The pathogen was high sensitive to 16 fungicides including 450 g·L-1 prochloraz EW,their EC50 value lower than 20.0 mg·L-1.

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Last Update: 2021-02-18