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Soluble Pigment Level in Stems Determining Partly-Ｒesistance to White Mold inSoybean(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2016年03期
Page:
481-488
Research Field:
Publishing date:

Info

Title:
Soluble Pigment Level in Stems Determining Partly-Ｒesistance to White Mold inSoybean
Author(s):
LI Zhi1; WANG Shu-ming1; MENG Fan-mei1; LIU Jia1; YI Zhi-gang1; ZHANG Hong-yan2; DONG Zhi-min1
( 1. Soybean Institute，Jilin Academy of Agricultural Sciences /National Engineering Technology Ｒesearch Center for Soybean，Changchun 130033，China;2. Liaoning Agricultural Technology Extending Station，Shenyang 110034，China)
Keywords:
Soybean;  Germplasm;  Partly-resistance to white mold;  Oxalic acid;  Soluble pigment level in stems
PACS:
S565. 1
DOI:
10.11861/j.issn.1000-9841.2016.03.0481
Abstract:
In order to rapidly and conveniently screen reliable tolerance soybean germplasm，soluble pigment in stems was detectedto identify the 150 soybean germplasm and 100 soybean varieties which were bred in recently 15 years. And the resultswere tested by wilting after plant root invaded with oxalic acid. In addition，the relativity between the leaf shape，flower color，growth days and tolerance intensity to white mold in soybean were analyzed. The identified soybean germplasm were divided intofive grades by clustering analysis，including high tolerance( 3. 20%) ，tolerance( 7. 60%) ，middle susceptible( 21. 60%) ，susceptible( 46%) and high susceptible( 21. 60%) . Twenty-seven soybean germplasm were high tolerant or tolerant grades.Moreover，The result after oxalic acid invading plant root showed that the wilting intensity was corresponded with the solublepigment level in stems. Ｒelative analysis between tolerance intensity and agronomic trait showed，leaf shape and flower color( stem color) were not relative with tolerance intensity，otherwise，flower color( stem color) was significantly relative to toleranceintensity. Above all，the identification method of soluble pigment level in stems can well reflect oxalic acid，soybeangermplasm with highly polymorphic has more potential to be tolerance to white mold in soybean，especially with purple flower.

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Last Update: 2016-07-24