Restrain Ability of Nanomenter Silver on Soybean Sclerotinia sclerotrum(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:

2010年04期

Page:

673-676

Research Field:

Publishing date:

Info

Title:

Restrain Ability of Nanomenter Silver on Soybean Sclerotinia sclerotrum

Author(s):

SUN Dong-mei¹; 2; 3; LIN Zhi-wei³;  CHI Li¹;  PU Zi-gang¹;  ZHANG Shu-quan¹;  ZHAO Min²

1.Qiqihaer Branch, Heilongjiang Academy of Agricultural Sciences, Qiqihaer161041;

2.Northeast Forestry University, Post-doctoral research station, Harbin 150040;

3.Department of Life Science and Technology, Heilongjiang August First Reclamation University, Daqing 163319

Keywords:

Nanomenter Silver; Sclerotinia sclerotrum; Restrain ability

PACS:

S565.1

DOI:

10.11861/j.issn.1000-9841.2010.04.0673

Abstract:

The methods of growth speed inhibition, microexamination and biochemistry were used to study the restrain ability of Nanomenter Silver on Sclerotinia sclerotrum mycelium growth and its primary mechanism. The results indicated that Nanomenter Silver significantly inhibited Sclerotinia sclerotrum mycelium growth, the completely inhibited concentration was 30mg·L^-1, and the EC50 was 13.91 mg·L^-1. It was discovered that the S. sclerotrum mycelium growth was restrained effectively under the EC50 of Nanomenter Silver. The enzyme activities of CAT, SOD and ATP in mycelium treated by Nanomenter Silver were also changed, when the mycelium were treated for 2 or 12 h, the enzyme activities were all increased, However, when the mycelium were treated for 24 h, the enzyme activities were all decreased.The results suggest that Nanomenter Silver has the restrain ability on the S. sclerotrum mycelium growth.

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