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In vitro and in planta assays for biological control of Fusarium root rot disease of vanilla

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Title In vitro and in planta assays for biological control of Fusarium root rot disease of vanilla
Not Available
 
Creator Suseela Bhai R
Remya B
Jithya Danesh
Eapen SJ
 
Subject Biological control
Colletotrichum sp
Fusarium oxysporum f. sp. vanillae
In vitro screening
root rot
Vanilla planifolia
 
Description Not Available
izosphere and phyllosphere organisms isolated from vanilla consisted of predominant colonizers such as Fusarium sp. (24 isolates) and Colletotrichum sp. (20 isolates).
Other organisms were Rhizoctonia sp. (two isolates), Trichoderma spp. (seven isolates), Paecilomyces
sp. (one isolate), Mucor sp. (three isolates), non-sporulating fungal species (10 isolates) and
Pseudomonas fluorescens (three isolates). When tested in vitro, six isolates showed more than 50%
inhibition of Fusarium oxysporum f. sp. vanillae. These were two isolates of Trichoderma sp.
(53.30-70.58), one isolate of Paecilomyces sp. (65.00%) and two isolates of P. fluorescens (59.15-
62.50%) that were antagonistic to the pathogen. None of the non-pathogenic Fusarium species
tested showed promising inhibitory effect on F. oxysporum f. sp. vanillae. The five promising
isolates were tested in planta by challenge inoculation. Paecilomyces sp. provided 100 per cent
protection against root rot. T. harzianum and P. fluorescens provided 40% protection. Thus the
present study indicated the possibility of using Paecilomyces sp. as a potential antagonist for F.
oxysporum f. sp. vanillae.
Not Available
 
Date 2021-08-17T15:03:27Z
2021-08-17T15:03:27Z
2009
 
Type Research Paper
 
Identifier Not Available
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/57633
 
Language English
 
Relation Not Available;
 
Publisher Not Available