Plant Pathogenic Bacteria pp 60-67 | Cite as
Endophytic Bacteria and Biocontrol of Plant Diseases
Abstract
Endophytic bacteria form a large proportion of the indigenous microbial communities in plants. Their internal colonization is often assisted by a wide array of enzymes, which are also present in plant pathogenic bacteria. Endophytic bacteria have become adapted to the plant’s selective environment and can be beneficial, neutral or deleterious for the plant by affecting plant growth and or the defence of the plant against pathogens. In contrast to pathogenic bacteria they do not produce visual symptoms.
The increasing interest in endophytic bacteria for plant health improvement is based on the possible use of beneficial endophytes as: (1) agents in biological control by competition, antibiosis and or induced resistance, (2) carriers of specific chemicals or foreign genes such as the Bt gene for insect control and (3) promoters of plant growth, especially in the young plant stage to survive root attacking soil fungi, based on hormonal or nutritional growth promotion. Studies, so far mainly under controlled conditions, have clearly illustrated the disease protection potential of certain endophytic bacteria.
Keywords
Biological Control Fusarium Wilt Pseudomonas Fluorescens Endophytic Bacterium Rhizoctonia SolaniPreview
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Notes
Acknowledgements
The Swedish Farmers’ Foundation for Agricultural Research, Stockholm is thanked for supporting this work.
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