|Table of Contents|

Effect of Water-solube Chitosan on Antagonist Metschnikowia pulcherrima(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2015年24
Page:
127-130
Research Field:
Publishing date:

Info

Title:
Effect of Water-solube Chitosan on Antagonist Metschnikowia pulcherrima
Author(s):
GUO Dongqi; SHEN Yongjuan
(College of Life Science，Tarim University/Xinjiang Production & Construction Group Key Laboratory of Agricultural Products Processing in Xinjiang，Alar,Xinjiang 843300)
Keywords:
Metschnikowia pulcherrima; water-soluble chitosan; winter jujube
PACS:
-
DOI:
10.11937/bfyy.201524035
Abstract:
Taking winter jujubes as test material，the inhibiting effect of Metschnikowia pulcherrima on control，blue mould of winter jujube by using water-soluble chitosan was studied by adopting the method of in vitro and in vivo tests.The results showed that the water-soluble chitosan could significantly inhibit germination of Penicillium citrinum spore，when the concentration of water-soluble chitosan was more than 0.3% (w/v)，the germination of P.citrinum spore was inhibited completely.In NYDB medium，the concentration of water-soluble chitosan was 0.04% (w/v) or more，the growth of M.pulcherrima was strongly inhibited，while in NYDA (solid medium)，the growth of M.pulcherrima was significantly inhibited in the range of 0.1%-0.9% (w/v) water-soluble chitosan concentration.In the wound of winter jujube，the water-soluble chitosan concentration of 0.1% or less had no significant effect on the growth of M.pulcherrima，the combination of water-soluble chitosan concentration of 0.1% with M.pulcherrima had the best inhibiting effect on blue mould of winter jujube.

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Last Update: 2016-02-17