|Table of Contents|

Correlation Analysis of Root Exudates in Resistant and Susceptible Soybean and Resistance to SCN4(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2016年02期
Page:
180-185
Research Field:
Publishing date:

Info

Title:
Correlation Analysis of Root Exudates in Resistant and Susceptible Soybean and Resistance to SCN4
Author(s):
ZHANG Hai-pingWANG ZhiWU Shu-feng
Institute of Crop Germplasm Resources / Key Laboratory of Crop Gene Resources and Germplasm Enhancement on Loess Plateau, Ministry of Agriculture / Shanxi Key Laboratory of Genetic Resources and Genetic Improvement, Shanxi Academy of Agricultural Sciences, Taiyuan 030031, China
Keywords:
Soybean Soybean Cyst Nematode Race 4 Root exudates Amino acid.
PACS:
-
DOI:
10.11861/j.issn.1000-9841.2016.02.0285
Abstract:
In order to reveal the relationship between soybean root exudates and the resistance to the race 4 of Soybean Cyst Nematode (SCN4), root exudates were collected from resistant cultivar (CBLheidou) and susceptible cultivar (Pin 75-14).The influence of root exudates on egg incubation of SCN4 and content of free amino acids in exudates were determined.The results indicated that root exudates had an important effect on the egg hatch of SCN4. Root exudates of Pin 75-14 stimulated egg incubation of SCN4. While root exudates of CBLheidou inhibited egg incubation of SCN4.Affinity of Pin 7514rootexudates on J2 of SCN4 was higher than that of CBLheidou. Seventeen amino acids were detected in root exudates.The total amino acids content in exudates of Pin 7514 was always higher than that in exudates of CBLheidou whether they were inoculated. After inoculated, the total amino acid content of exudates in CBLheidou and Pin 7514 were both increased.The total amino acid increase of exudates in Pin 7514 and CBLheidou were 29729 and 19115 μg?g-1FW, respectively. According to amino acid increment and change regularity, amino acids were divided into three groups.The first group included phenylalanine, which was positive to soybean resistance to SCN4; the second group included threonine, serine and methionine, which were not related with soybean resistance to SCN4; the third group included others thirteen amino acids, which were negative relationship with soybean resistance to SCN4.

References:

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Last Update: 2016-04-04