|Table of Contents|

Biological Characteristics and Indoor Fungicide Screening of Pseudodiploospora longispora in Guizhou Province

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2026年8
Page:
97-105
Research Field:
Publishing date:

Info

Title:
Biological Characteristics and Indoor Fungicide Screening of Pseudodiploospora longispora in Guizhou Province
Author(s):
AN Xingyu1; 2; HUANG Lu1; 2; CHENG Junyu1; 2; WU Shiping1; 2
(1.Institute of Plant Protection，Guizhou Academy of Agricultural Sciences，Guiyang，Guizhou 550025；2.Guizhou Branch of State Key Laboratory for Biology of Plant Diseases and Insect Pests，Guiyang，Guizhou 550025)
Keywords:
morel; pileus rot disease; biological characteristics; fungicide
PACS:
S646
DOI:
10.11937/bfyy.20253712
Abstract:
Taking the fungal pathogen Pseudodiploospora longispora causing the mycelial necrosis disease of Morchella in Guizhou Province as the test material，through systematic investigation，indoor cultivation and bioactivity determination methods，the effects of environmental factors and fungicides on the growth and inhibitory effect of the pathogen were explored，in order to provide reference for the green control of mold-induced wilt disease in Morchella and was of great significance for promoting the sustainable development of the Morchella industry in Guizhou.The results showed that the optimal growth conditions for the pathogen were 20 ℃ and pH 8，with soluble starch and lactose as the preferred carbon sources and yeast extract as the optimal nitrogen source.Among the tested fungicides，prochloraz 45% EW and myclobutanil 25% EC exhibited significant inhibitory effects on the pathogen while showing minimal impact on the mycelial growth of Morchella，demonstrating good selective antifungal activity and potential for field application.

References:

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Last Update: 2026-05-06