|Table of Contents|

Study on Biological Characteristics of Alternaria alternata Caused Jujube Shrink Disease and Screening of Fungicides in Xinjiang(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2013年24期
Page:
126-129
Research Field:
Publishing date:

Info

Title:
Study on Biological Characteristics of Alternaria alternata Caused Jujube Shrink Disease and Screening of Fungicides in Xinjiang
Author(s):
SUN JieCHI Zhen-jiangZHAO Si-feng
Key Laboratory at Universities of Xinjiang Uygur Autonomous Region for Oasis Agricultural Pest Management and Plant Protection Resource Utilization,College of Agriculture,Shihezi University,Shihezi,Xinjiang 832003
Keywords:
Zizyphus jujubajujube shrink diseaseAlternaria alternatabiological characteristicsfungicide screening
PACS:
S 665.1
DOI:
-
Abstract:
The effects of temperature,pH and relative humidity on mycelia growth and spore germination of three representative strains Alternaria alternata in Xinjiang were conducted indoor.And eight kinds of fungicides to the pathogen EC50 were determined using mycelia growth rate method.The results showed that the optimum temperature of the three strains were 25~30℃,the optimum pH was 6 to 10;the spore germination optimum temperature was 28℃,pH was 10;with relative humidity increased,spore germination rate of three strains were also increased,when the relative humidity was 100% the spore germination up to 88.33%,95.00% and 92.00% of AKS6T-1,KRL34T11L and KS44T14L respectively.For the 8 tested fungicides,Mancozeb 70% WP to three strains of A.alternata showed better inhibition against mycelia growth,the EC50 was 0.074,0.098,0.034 g/L,respectively.The Mancozeb 70% WP could be the primary fungicides to control jujube shrink disease in Xinjiang.

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Last Update: 2014-12-08