|Table of Contents|

Identification of Pepper Anthracnose and Screening of Fungicides Against It in Ninghe of Tianjin

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2020年03
Page:
1-7
Research Field:
Publishing date:

Info

Title:
Identification of Pepper Anthracnose and Screening of Fungicides Against It in Ninghe of Tianjin
Author(s):
HUO Jianfei; YAO Yurong; HAO Yongjuan; YU Jinping; LIU Chunyan; WANG Wanli
(Tianjin Institute of Plant Protection,Tianjin 300384)
Keywords:
pepper; C.acutatum; C.truncatum; identification; screening of fungicides
PACS:
-
DOI:
10.11937/bfyy.20192149
Abstract:
Pepper infected by Colletotrichum spp.in Ninghe,Tianjin was taken as experimental material,the pathogen by a combination of morphology and ribosomal DNA internal transcribed spacer regin(ITS) was identified,and twelve kinds of fungicides against the disease by plate method in the laboratary were screened.The results showed that the pathogen which infected pepper in Ninghe district was C.acutatum and C.truncatum,which segregation ratio was 0.711∶0.289,respectively.The results of fungicides screening in laboratory indicate,prochloraz,fludioxonil,carbendazim and pyradostrobin had better inhibitory effect on the growth of mycelium of C.acutatum,which EC50 values were 0.022 8,0.123 2,0.361 2,0.716 8 μg·mL-1,respectively.Prochloraz,fludioxonil and carbendazim had better inhibitory effect on the growth of mycelium of C.truncatum,which EC50 values were 0.066 7,0.193 7,0.240 0 μg·mL-1,respectively.Therefore,prochloraz,fludioxonil,carbendazim and pyraclostrobin could be used as chemicals to control the disease.

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Last Update: 2020-02-26