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Research on Destructive of Sclerotinia Sclerotiorum to Host Soybean in Black Soil Area of Northeast China(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2008年04期
Page:
633-636
Research Field:
Publishing date:

Info

Title:
Research on Destructive of Sclerotinia Sclerotiorum to Host Soybean in Black Soil Area of Northeast China
Author(s):
ZHANG Jun-zheng1; YANG Qian1; WEI Dan1; 2; YANG Lei1; ZHANG Xi-lin2; CHEN Xue-li2
1Harbin Institute of Technology，Harbin 150001；
2Institute of Soil Fertilizer and Environmental Resources，Heilongjiang Academy of Agricultural Sciences，Harbin 150086，Heilongjiang，China
Keywords:
Soybean; Sclerotinia sclerotiorum; Destructive
PACS:
S565.1
DOI:
10.11861/j.issn.1000-9841.2008.04.0633
Abstract:
Sclerotia of Sclerotinia sclerotiorum is one of chief diseases in soybean planting area in China，which could damage yield and quality of soybean seriously.To observe changes of plant agronomic traits of different soybean variety infected by sclerotia from Sclerotinia sclerotiorum and inspect content of protein，oil and amino acids.Sclerotia of ?Sclerotinia sclerotiorum were collected and isolated from different area of black soil，in order to observe the harmfulness of pathogens to host soybean morphology and analysis the effect to host quality.The result indicated that morphology of sclerotia isolated from different area was different.Pathogens infected soybean cotyledon first and produced white mycelium，then infected soybean leaves，stems，pods，finally formatted sclerotia in stems andpods.Host soybean infected by sclerotia pathogen，100-seed weight decreased 9.9%-20.8%，content of fat and protein decreased 0.95%-1.81% and 0.17%-1.21% respectively，and total content of amino acids decreased 0.59%-4.89%.For the17 species of amino acids in three soybean varieties，all amino acids in Kenjian 4 were decreased ，in Ha 97-124 only one amino acid (His) content hasn’t decreased and content of five amino acids (His，Lys，Ala，Gly and Ser) in Heinong 35 have not decreased.

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Last Update: 2014-10-07