期刊
MICROBIOLOGICAL RESEARCH
卷 166, 期 4, 页码 268-281出版社
ELSEVIER GMBH
DOI: 10.1016/j.micres.2010.04.004
关键词
POD; PAL; PPO; Rhizoctonia solani; Root rot
类别
资金
- King Saud University represented in Research Center-Teacher College
Interaction between arbuscular mycorrhizal fungi as a bio-agent and Rhizoctonia root rot disease of common bean plant was investigated in this study under natural conditions in pot experiment. A mixture of Egyptian formulated AM (Multi-VAM) in suspension form (1 x 10(6) unit L-1 in concentration) was used at dilution of 5 ml L-1 water. The results demonstrated that colonization of bean plants with AM fungi significantly increased growth parameters, yield parameters and mineral nutrient concentrations and reduced the negative effects on these parameters as well as both disease severity and disease incidence. Different physical and biochemical mechanisms have been shown to play a role in enhancement of plant resistance against Rhizoctonia solani, namely, improved plant nutrition, improved plant growth, increase in cell wall thickening, cytoplasmic granulation, and accumulation of some antimicrobial substances (phenolic compounds and defense related enzymes) (C) 2010 Elsevier GmbH. All rights reserved.
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