PGPR: The Biological Control Mechanism and Potential as Biological Control Agent

doi:10.11924/j.issn.1000-6850.casb2020-0295

Abstract

Abstract:

Plant growth promoting rhizobacteria (PGPR) is a type of soil bacteria that can enhance plant growth and disease resisting ability. Besides improving nutrients’ absorption, plant substance accumulation, and promoting various growth parameters of physiological and biochemical indexes of plants, PGPR can also protect plants from diseases in various ways. The biological control activity of PGPR relies on the colonization of plant rhizosphere, which is realized by the secretion of specific biological control active substances and the inducing of systemic resistance of plants. The rhizosphere colonization of PGPR can inhibit pathogens, which is crucial to the control of some plant diseases that are difficult to be realized by chemical agents. This paper discusses the biological control mechanism of PGPR, and the possibility of using PGPR as biological control agent for plant diseases, which might provide new views for the ecological agriculture development.

Key words: plant growth promoting rhizobacteria, biological control, rhizosphere colonization, biocontrol substances, systemic resistance

CLC Number:

S476
S182

Ji Yanfei, Dong Xinxin, Tian Ye, Zhang Jie, Yang Hongyi. PGPR: The Biological Control Mechanism and Potential as Biological Control Agent[J]. Chinese Agricultural Science Bulletin, 2021, 37(14): 141-149.

Figures/Tables 3

References 76

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生防菌株	菌株来源(根际)	病原菌	参考文献
Bacillus amyloliquefaciens	Triticum aestivum	Fusarium graminearum
		Bipolaris sorokiniana
		Fusarium oxysporum
		Alternaria alternata
		Colletotrichum gloeosporioides
		Botryosphaeria ribis	[20]
Bacillus velezensis	Lycopersicum esculentum	Verticillium dahliae	[59]
Bacillus sp.	Lycopersicum esculentum	Fusarium oxysporum
		Pythium aphanidermatum
		Colletotrichum capsici
		Sclerotium rolfsii	[61]
	Pennisetum glaucum	Rhizoctonia solani
		Sclerotium rolfsii
		Fusarium solani	[62]
	Zea mays	Pythium irregulare
		Aspergillus niger
		Fusarium solani
		Fusarium oxysporum
		Rhizoctonia solani
		Alternaria alternata	[63]
Pantoea dispersa	Ipomoea batatas	Ceratocystis fimbriata	[64]
Pestalootiopsis sp.	Photinia prionophylla	Aecidium pourthiaea	[21]
Pseudomonas fluorescens	Capsicum annuum	Botrytis cinerea	[22]
Staphylococcus equorum	Salicornia hispanica	Agrobacterium fabrum	[46]
Streptomyces sp.	Lycopersicum esculentum	Fusarium oxysporum	[57]

生防菌株	菌株来源(根际)	病原菌	参考文献
Bacillus amyloliquefaciens	Triticum aestivum	Fusarium graminearum
		Bipolaris sorokiniana
		Fusarium oxysporum
		Alternaria alternata
		Colletotrichum gloeosporioides
		Botryosphaeria ribis	[20]
Bacillus velezensis	Lycopersicum esculentum	Verticillium dahliae	[59]
Bacillus sp.	Lycopersicum esculentum	Fusarium oxysporum
		Pythium aphanidermatum
		Colletotrichum capsici
		Sclerotium rolfsii	[61]
	Pennisetum glaucum	Rhizoctonia solani
		Sclerotium rolfsii
		Fusarium solani	[62]
	Zea mays	Pythium irregulare
		Aspergillus niger
		Fusarium solani
		Fusarium oxysporum
		Rhizoctonia solani
		Alternaria alternata	[63]
Pantoea dispersa	Ipomoea batatas	Ceratocystis fimbriata	[64]
Pestalootiopsis sp.	Photinia prionophylla	Aecidium pourthiaea	[21]
Pseudomonas fluorescens	Capsicum annuum	Botrytis cinerea	[22]
Staphylococcus equorum	Salicornia hispanica	Agrobacterium fabrum	[46]
Streptomyces sp.	Lycopersicum esculentum	Fusarium oxysporum	[57]