Study on Antimicrobial Spectrum of Trichoderma P3.9 Strain of Endophytic Fungus from Loquat(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:

2014年24期

Page:

103-107

Research Field:

Publishing date:

Info

Title:

Study on Antimicrobial Spectrum of Trichoderma P3.9 Strain of Endophytic Fungus from Loquat

Author(s):

LU Hai-ju¹; ZHANG Jian-chun²; QI Jing-xiang¹; XU Cong-mei¹; ZHENG Xiao-lan³

1.College of Life Science and Technology,Honghe University,Mengzi,Yunnan 661199;

2.College of Foreign Languages,Honghe University,Mengzi,Yunnan 661199;

3.Environment and Plant Protection Institute,Chinese Academy of Tropical Agricultural Sciences,Danzhou,Hainan 571737

Keywords:

Trichoderma of endophytic fungus from loquat; pathogen of fungi from plant; antifungal activity; antimicrobial spectrum

PACS:

S 667.3

DOI:

-

Abstract:

Taking Trichoderma P3.9 strain of endophytic fungus from loquat，the pathogen of loquat root rot (Pestalotiopsis sp.)，carnation root rot (Fusarium sp.)，florist’s cyclamen root rot (Fusarium sp.)，marigold leave spot (Alternaria sp.),pepper black spot (Alternaria alternata) and pepper yellow blight (Verticillium dahliae) as materials,the pathogens were respectively inoculated with P3.9 strain by dual culture,inhibition effect of P3.9 strain on different pathogens were determined.The results showed that P3.9 strain had different antifungal activity to the above pathogens.The inhibition rate was respective 80.6%，67.6%，73.1%，77.5%，82.0% and 82.7%.All were more than 60% and antimicrobial spectrum of P3.9 strain was wide.It possessed a good prospect in the development and application.It provided theoretical basis and strain resources for bio-control to the above diseases.

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