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Occurrence status and management of alternaria blight (Alternaria species) of linseed (Linum usitatissimum)

Indian Agricultural Research Journals

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Title Occurrence status and management of alternaria blight (Alternaria species) of linseed (Linum usitatissimum)
 
Creator Singh, R B
Singh, R N
 
Subject Oilseed protection; Linseed; Linum usitatissimum; Alternaria lini; Alternaria linicola; Management
 
Description A field experiment was conducted during 1995-96 to 2002-2003 to study the status of alternaria blight, caused by Alternaria lini Dey and Alternaria linicola Groves & Skolko, of linseed (Linum usitatissimum L.) and to work out an integrated schedule for its management during 2001-2002 and 2002-2003. Foliar blight, initiated between 18 November and 5 January, attained highest intensity (55.80-85.85%) between 15 February and 2 March, taking 50-87 days. 'Sheela' linseed sown on 7 November with seed treated with thiophanate methyl @ 2 g/kg seed followed by a foliar spraying of mancozeb 75 WP (0.25%) showed least disease intensity (17.54%) and gave highest seed yield (2094.6 kg/ha). Though net return (Rs 9348/ha) for this treatment was highest, seed treatment alone for 16 October-sown 'Sheela' with benefit: cost ratio of 72.70 was found to be most cost-effective followed by 7 November-sown 'Chambal' (62.23). Highest avoidable yield loss of 41.18% was noted in 16 October sown 'Chambal' under seed treatment followed by foliar spraying.
 
Publisher The Indian Journal of Agricultural Sciences
 
Date 2005-05-05
 
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/9353
 
Source The Indian Journal of Agricultural Sciences; Vol 75, No 5 (2005)
0019-5022
 
Language eng
 
Relation http://epubs.icar.org.in/ejournal/index.php/IJAgS/article/view/9353/4095
 
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