Biological control of white mold by Trichoderma harzianum in common bean under field conditions

被引：10

作者：

Costa Carvalho, Daniel Diego ^{[1
]}

Geraldine, Alaerson Maia ^{[2
]}

Lobo Junior, Murillo ^{[2
]}

Marques de Mello, Sueli Correa ^{[3
]}

机构：

[1] Univ Brasilia, Inst Ciencias Biol, Dept Fitopatol, BR-70910700 Brasilia, DF, Brazil

[2] Embrapa Arroz & Feijao, BR-75375000 Santo Antonio De Goias, Go, Brazil

[3] Embrapa Recursos Genet & Biotecnol, BR-70770917 Brasilia, DF, Brazil

来源：

PESQUISA AGROPECUARIA BRASILEIRA | 2015年 / 50卷 / 12期

关键词：

Phaseolus vulgaris; Sclerotinia sclerotiorum; antagonists; hyperparasitism; soilborne pathogen; BIOCONTROL; SEED; PROMOTION; SCLEROTIA; GROWTH;

D O I：

10.1590/S0100-204X2015001200012

中图分类号：

S [农业科学];

学科分类号：

09 ;

摘要：

The objective of this work was to evaluate Trichoderma harzianum isolates for biological control of white mold in common bean (Phaseolus vulgaris). Five isolates were evaluated for biocontrol of white mold in 'Perola' common bean under field conditions, in the 2009 and 2010 crop seasons. A commercial isolate (1306) and a control treatment were included. Foliar applications at 2x10(9) conidia mL(-1) were performed at 42 and 52 days after sowing (DAS), in 2009, and at 52 DAS in 2010. The CEN287, CEN316, and 1306 isolates decreased the number of Sclerotinia sclerotiorum apothecia per square meter in comparison to the control, in both crop seasons. CEN287, CEN316, and 1306 decreased white mold severity during the experimental period, when compared to the control.

引用

页码：1220 / 1224

页数：5

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