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Nematophagous fungi: Catenaria anguillulae and Dactylaria brochopaga from seed galls as potential biocontrol agents of Anguina tritici and Meloidogyne graminicola in wheat (Triticum aestivum L.)

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Title Nematophagous fungi: Catenaria anguillulae and Dactylaria brochopaga from seed galls as potential biocontrol agents of Anguina tritici and Meloidogyne graminicola in wheat (Triticum aestivum L.)
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Creator Udai B. Singh, Asha Sahu, Nisha Sahu, R.K. Singh, Renu, Dinesh K. Singh, Bhanu P. Singh, R.K. Jaiswal, Dhananjaya P. Singh, J.P. Rai, M.C. Manna, K.P. Singh, J.S. Srivastava, A. Subba Rao, S. Rajendra Prasad
 
Subject Nematode trapping fungi, Anguina tritici, Catenaria anguillulae, Dactylaria brochopaga, Meloidogyne graminicola, Seed gall
 
Description Not Available
During the course of our investigation on the selective isolation and in vitro pathogenicity tests of the
nematode egg parasite and endoparasitic Catenaria anguillulae and the nematode-trapping fungus Dactylaria
brochopaga against Anguina tritici, and Meloidogyne graminicola, the two biocontrol agents were also
examined for their capabilities to colonize wheat seed gall and also to reduce the M. graminicola, and
A. tritici in wheat (Triticum aestivum L.). Using seed galls as bait was found effective for isolating the
soilborne natural colonizers of seed galls of wheat caused by A. tritici. Seed galls were found severely
infested with cellulose decomposers as well as nematode trapping fungi i.e., Fusarium spp., Verticillium
spp., Aspergillus spp., Penicillium spp. Arthrobotrys oligospora, Arthrobotrys superba, Arthrobotrys dactyloides,
Arthrobotrys musiformis, D. brochopaga, Monacrosporium eudermatum, Stylopaga hadra, Paecilomyces spp., and C. anguillulae. Co-inoculation of D. brochopaga DBS-105, and C. anguillulae CAS101 significantly
reduced the root knot and seed gall in wheat and increased the plant growth parameters including length,
and dry weight of root and shoot as well as yield attributing characters like spike length; number of seed
per spike, test weight etc. under greenhouse conditions as compared to pathogen challenged plants without
any bioagents/chemical nematicide. These bioagents have the potential to enhance production of
quality seeds of wheat being free from hazardous pesticides and thus, can further be developed into
marketable formulations in order to promote eco-friendly and sustainable means of crop production.
Not Available
 
Date 2021-07-28T06:31:11Z
2021-07-28T06:31:11Z
2013-01-01
 
Type Research Paper
 
Identifier Not Available
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/50582
 
Language English
 
Relation Not Available;
 
Publisher Elsevier