|Table of Contents|

Effect of Different Temperatures on Grape Postharvest Botrytis cinerea(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2015年19
Page:
114-117
Research Field:
Publishing date:

Info

Title:
Effect of Different Temperatures on Grape Postharvest Botrytis cinerea
Author(s):
JI Xian; ZHANG Ping; ZHU Zhiqiang; REN Zhaohui
（National Engineering and Technology Research Center for Preservation of Agriculture Products (Tianjin),Tianjin Key Laboratory of Postharvest Physiology and Storage of Agricultural Products,Tianjin 300384）
Keywords:
grape; temperature; Botrytis cinerea; germination rate of spores; mycelial growth rate
PACS:
-
DOI:
10.11937/bfyy.201519028
Abstract:
Taking grape postharvest Botrytis cinerea as material,mycelium growth rate method,hanging drop method and in vivo inoculation method were used,the effect of different temperatures on the mycelial growth and conidial germination of Botrytis cinerea were studied,and incidence of different inoculation methods under different temperatures were also investigated. The results showed that temperature condition had larger influences on the hyphal growth of Botrytis cinerea.The amount of mycelial growth and spore germination rate was positively related to temperature and time.（25±1）℃ was suitable for the growth of mycelia,spore germination rate increased with time. Spore germination rate increased rapidly after 4 h. The mycelial grew slowly on （10±1）℃,spore germination rate grew slowly.The germination rate was only 9.05% after 6 h. Mycelia grew very slowly on （0±1）℃,spore germination rate was the lowest,spore germination rate of 6 h was only 3.48%. The mycelial growth rate and spore germination rate after 2 h in different temperature conditions had extremely significant differences（P＜0.01）. In the condition of injury,no wound and no inoculation of three inoculation methods,the wound inoculation mode was the easiest way to cause Botrytis cinerea and damage grape（P＜0.01）. The progression of the disease developed quickly,and lesion diameter increased with the increase of temperature. The disease progression of no injuries and no vaccination developed slower than injuries. Their incidence followed the same rules. The incidence of no wound inoculation was higher than that of no inoculation,they had very significantly difference（P＜0.01）.

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Last Update: 2015-11-05