|Table of Contents|

Response of Polyphenol Oxidase Activity in Glycine soja Inoculated with Phytophthora sojae(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2012年01期
Page:
99-102
Research Field:
Publishing date:

Info

Title:
Response of Polyphenol Oxidase Activity in Glycine soja Inoculated with Phytophthora sojae
Author(s):
XU Peng-fei1CHANG Jing-li2ZHAO Fu-hua2TANG Xin-hua2GUO Chang-jun1ZHANG Shu-zhen1
1.Soybean Research Institute of Northeast Agricultural University,Key Laboratory of Soybean Biology of Chinese Ministry of Education,Harbin 150030,Heilongjiang;
2.Agricultural College of Northeast Agricultural University,Harbin 150030,Heilongjiang,China
Keywords:
Phytophthora sojaeWild soybeansPolyphenol oxidase
PACS:
S565.1
DOI:
10.3969/j.issn.1000-9841.2012.01.022
Abstract:
Phytophthora root and stem rot of soybean(Phytophthora sojae)has become a serious damage to soybean production in China,especially in main soybean production region,Heilongjiang province.Polyphenol oxidase(PPO)is an important enzyme related to disease resistance in plants.However,there are few reports about response of PPO activity in wild soybeans infected with Phytophthora sojae.A total of eight wild soybeans including four resistant and four susceptible ones were inoculated with zoospores of P.sojae race 1 as treatment and those inoculated with water as control.The results showed that PPO activity in roots and leaves of resistant wild soybeans increased compared with those of control at the whole stage of pathogenetic process,and that in stems also increased at most stages of pathogenetic process.However,the PPO activity in roots and leaves of the four susceptible wild soybeans decreased at most stages of pathogenetic process.The results could lay theoretical basis on physiological and biochemical mechanism for disclosing wild soybean’s resistance to P.sojae.

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Last Update: 2014-08-15