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Efficacy of composts on nitrogen fixation, dry root rot (Macrophomina phaseolina) intensity and yield of legumes

Indian Agricultural Research Journals

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Title Efficacy of composts on nitrogen fixation, dry root rot (Macrophomina phaseolina) intensity and yield of legumes
 
Creator LODHA, SATISH
BURMAN, UDAY
 
Subject Cyamopsis tetragonoloba, Vigna unguiculata, Macrophomina phaseolina, compost, lytic bacteria, nitrogenase, actinomycetes
 
Description  An experiment was conducted during 1995-97 to study the disease suppressive characteristics of composts. The efficacy of three composts prepared from residues of pearl millet (Pennisetum glaucum (L.) R. Br. emend. Stuntz), neem(Azadirachta indica A. Juss.) and weeds was ascertained on nitrogen fixation, dry root rot caused by Macrophominaphaseolin a and seed yield of clusterbean (Cyamopsis tetragonoloba (L.) Taub.) and cowpea (Vigna unguiculata (L.)Walp). Amendment of soil with pearl millet and weed composts for two consecutive years' reduced resident population of M. phaseolina by 20-40% compared with the non-amended plots. Associated increase in antagonistic actinomycetes (28-50%) and lytic bacteria (60-70%) accounted for 20-60% reduction in plant mortality due to dry root rot in both the crops in amended plots. This resulted in higher seed yield of clusterbean (23-46%) and cowpea (13-70%). Further, amendment with composts, in general was beneficial for both the arid legumes in termS of nodulation and nitrogenase activity.
 
Publisher The Indian Journal of Agricultural Sciences
 
Contributor —
 
Date 2013-04-02
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Peer-reviewed Article
 
Format application/pdf
 
Identifier http://epubs.icar.org.in/ejournal/index.php/IJAgS/article/view/28756
 
Source The Indian Journal of Agricultural Sciences; Vol 70, No 12 (2000)
0019-5022
 
Language eng
 
Relation http://epubs.icar.org.in/ejournal/index.php/IJAgS/article/view/28756/13016
 
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