|Table of Contents|

Morphological Trait Analysis of Soybean Sclerotinia Sclerotiorum Isolates Derived Form Different Location of Heilongjiang Province(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2010年01期
Page:
72-76
Research Field:
Publishing date:

Info

Title:
Morphological Trait Analysis of Soybean Sclerotinia Sclerotiorum Isolates Derived Form Different Location of Heilongjiang Province
Author(s):
ZHAN Yu-hang; SONG Wei-wei; FAN Dong-mei; JIN Xun; ZHANG Jin-yi; HAN Ying-peng; LI Wen-bin
Soybean Research Institute，Key Laboratory of Soybean Biology in Chinese Ministry of Education，Northeast Agricultural University，Harbin 150030，Heilongjiang，China
Keywords:
Soybean; Sclerotinia sclerotiorum（Lib.）de Bary; Morphological trait
PACS:
S432.1
DOI:
10.11861/j.issn.1000-9841.2010.01.0072
Abstract:
Soybean white mold is one of the popular diseases threatening soybean production，and causes serious yield decline.Morphological trait of soybean Sclerotinia sclerotiorum isolates wasn’t clear for soybean studiers.For deepening the understanding of pathogen isolates，we separated a total of 135 isolates of Sclerotinia pathogens from three regions，including Heihe，Jiamusi and Suihua of Heilongjiang Province through PDA method.The objectives of the present study were to analyze the morphological trait of soybean Sclerotinia pathology.In this study，many morphology traits，such as colony shape，growth rate，sclerotia weight，ascus morphology，were measured.The results showed that the shape of the colony area and growth rate was significantly different among three sampling locations，and similar within each sampling locations.Other morphological trait of different isolates including the number，size，weight，of sclerotia，and morphological trait of apothecium，was significantly different whether among or within sampling locations.Results suggested that shape of the colony area and growth rate of isolates was specific to sampling location，while other morphological traits of different isolates including the number，size，weight，of sclerotia，and morphological trait of apothecium，wasn’t specific to sampling location.

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