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Growth promoting activities of antagonistic bacterial endophytes from Hevea brasiliensis (Willd. ex A.Juss.) Müll.Arg.

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Title Growth promoting activities of antagonistic bacterial endophytes from Hevea brasiliensis (Willd. ex A.Juss.) Müll.Arg.
 
Creator Abraham, Amith
Philip, Shaji
Joseph, Joby
S, Pramod
Jacob, Kuruvilla C
Sindhu, Raveendran
Pandey, Ashok
Sang, Byoung-In
Jayachandran, Kochupurackal
 
Subject Antagonist
Endophyte
Growth promotion
Rubber tree
 
Description 827-833
Rubber plantations are known to udergo various biotic and abiotic stresses. However, the symbiotic bacterial endophytes
that inhabit them provide protection. Here, we isolated bacterial endophytes from the rubber tree, Hevea brasiliensis (Willd.
ex A.Juss.) Müll.Arg. and studied their antagonistic activity against major pathogens such as Phytophthora meadii,
Corynespora cassiicola and Corticium salmonicolar. The antifungal metabolites such as HCN, siderophores and salicylic
acid were produced by the antagonistic endophytes under in vitro conditions. Bioassay showed the growth promotion by a
consortium of selected antagonistic endophytes in H. brasiliensis seedlings. The photosynthetic efficiency of seedlings
increased after endophyte inoculation. Endophyte-treated plants showed accumulation of starch granules in root tissues. The
selected antagonistic isolates belong to Bacillus sp. and Pseudomonas sp. The study revealed the biocontrol and growth
promoting potential of bacterial endophytes from H. brasiliensis.
 
Date 2021-12-02T07:02:22Z
2021-12-02T07:02:22Z
2021-12
 
Type Article
 
Identifier 0975-1009 (Online); 0019-5189 (Print)
http://nopr.niscair.res.in/handle/123456789/58574
 
Language en
 
Publisher NIScPR-CSIR, India
 
Source IJEB Vol.59(12) [December 2021]