|Table of Contents|

Effects of UV-C Irradiation on Antifungal Mechanism of Botrytis cinerea

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2020年18
Page:
7-13
Research Field:
Publishing date:

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Title:
Effects of UV-C Irradiation on Antifungal Mechanism of Botrytis cinerea
Author(s):
ZHANG Wei1; XIAO Mengting2; 3; HUANG Min4; ZHAO Bo2; 4
(1.College of Civil Engineering，Xi′an Innovation College of Yan′an University，Xi′an，Shaanxi 710100；2.School of Life Science and Engineering，Southwest University of Science and Technology，Mianyang，Sichuan 621010；3.College of Biological and Pharmaceutical Sciences，China Three Gorges University，Yichang，Hubei 443002；4.Irradiation Preservation Technology Key Laboratory of Sichuan Province，Chengdu，Sichuan 610101)
Keywords:
gray mold; short wave ultraviolet; grape fruit; Botrytis cinerea; inhibition ratio
PACS:
-
DOI:
10.11937/bfyy.20200121
Abstract:
Botrytis cinerea was used as the test fungus to investigate the inhibitory effect of short-wave ultraviolet radiation on it and control effect of irradiation at different times (10，20，30,40，50 minutes).The results showed that the growth of Botrytis cinerea was significantly inhibited by short-wave ultraviolet irradiation，and the inhibition rate was positively correlated with the irradiation time.The growth inhibition rate of Botrytis cinerea reached 851% when treatment time was 40 minutes.Compared with the control group，the relative conductivity of 30 and 40 minutes groups increased significantly after ultraviolet irradiation for 2 hours.The total sugar and soluble protein content of mycelium decreased gradually with the prolonged ultraviolet irradiation time，and ultraviolet irradiation could also reduce the activities of related enzymes involved in substance and energy metabolism in Botrytis cinerea organism，thereby interfering with its normal germination and growth，significantly reducing the diameter of fruit lesions，providing a certain theory and technology guidance for pollution-free control and fresh-keeping storage of grapes after harvest.

References:

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Last Update: 2020-12-11