Record Details

Native multi-trait rhizobacteria promote growth and suppress foot rot in black pepper

DSpice at Indian Institute of Spices Research

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Field Value
 
Creator DINESH, R
ANANDARAJ, M
KUMAR, A
SUBILA, K P
BINI, Y K
ARAVIND, R
 
Date 2014-08-04T09:46:45Z
2014-08-04T09:46:45Z
2014
 
Identifier Journal of Spices and Aromatic Crops 23 (2) : 156–163 (2014)
0971-3328
http://hdl.handle.net/123456789/1155
 
Description In this study, 74 PGPR isolates from different varieties of black pepper were characterized for morphological, biochemical and nutrient mobilization traits as well as inhibition of Phytophthora capsici (causing foot rot) under in vitro conditions. Based on the multiple traits, two PGPR
[(Micrococcus luteus Schroeter (1872) Cohn 1872 (BRB3) and Enterobacter aerogenes Hormaeche and Edwards 1960 (AL) (BRB13)] were shortlisted for further growth promotion studies. For biocontrol
studies, three PGPR [(Burkholderia cepacia (Palleroni & Holmes 1981) Yabuuchi et al. (1993) (BRB21), Pseudomonas aeruginosa Schröter (1872) Migula 1900 (BRB28) and Serratia marcescens Bizio 1823
(AL) (BRB49)] which showed >70% inhibition of P. capsici were shortlisted. The results from green house study on growth promotion indicated that application of M. luteus (BRB3) + 75% recommended dose (RD) of N + 100% RD of PK produced taller plants, longer roots, greater fresh biomass, more number of leaves and nodes in black pepper. This suggested a 25% reduction in chemical N fertilizer in the presence of M. luteus (BRB3). In the green house study on biocontrol, lowest foot rot (32.77%) and taller plants (332.0 cm) were observed with B. cepacia (BRB 21), which was on par with chemical treatment. This is the first report on the potential of PGPR like M. luteus for growth promotion and B. cepacia for management of P. capsici in black pepper.
 
Format 487276 bytes
application/pdf
 
Language en
 
Publisher Indian Society for Spices
 
Subject Phytophthora capsici
Piper nigrum
plant growth promoting rhizobacteria
 
Title Native multi-trait rhizobacteria promote growth and suppress foot rot in black pepper
 
Type Article