The growth‐promoting effects of Bacillus amyloliquefaciens W82T‐44 on soybean and its biocontrol potential against soybean Phytophthora root rot

The most devastating soilborne disease of soybean is Phytophthora root rot (PRR) caused by Phytophthora sojae. Biological control has emerged as an effective method of reducing soilborne diseases. The present study isolated the bacterial strain W82T‐44 from the rhizosphere soil of a resistant soybea...

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Bibliographic Details
Published in:Plant pathology 2024-12, Vol.73 (9), p.2429-2439
Main Authors: Liu, Haixu, Zhang, Zhuoqun, Xu, Ying, Du, Xiuming, Wen, Jingzhi
Format: Article
Language:English
Subjects:
Ammonia
Bacillomycin
Bacillus amyloliquefaciens
Biological control
biological control agents
Biological effects
catechol oxidase
Cellulase
Chitinase
Disease control
Encystment
endo-1,4-beta-glucanase
Fermentation
Filtrate
filtrates
Genes
Germination
Mycelia
mycelium
oospores
Pathogenesis
Peroxidase
Phenylalanine
phenylalanine ammonia-lyase
Phytophthora
Phytophthora root rot
Phytophthora sojae
plant height
plant pathology
Polyphenol oxidase
proteinases
Rhizosphere
Root rot
siderophores
soil
Soil microorganisms
Soil resistance
Soil-borne diseases
soybean
Soybeans
Surfactin
zoospores
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Summary:The most devastating soilborne disease of soybean is Phytophthora root rot (PRR) caused by Phytophthora sojae. Biological control has emerged as an effective method of reducing soilborne diseases. The present study isolated the bacterial strain W82T‐44 from the rhizosphere soil of a resistant soybean variety Williams 82. This strain was identified as Bacillus amyloliquefaciens and exhibited a 92.4% inhibition of mycelial growth of P. sojae. W82T‐44 produced cellulase, siderophore and protease and significantly promoted soybean growth. W82T‐44 treatment, compared to the negative control, was found to significantly (p 
ISSN:0032-0862
1365-3059
DOI:10.1111/ppa.13994