Madras Agricultural Journal
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INFLUENCE OF DURATION OF BLACKGRAM (Vigna mungo) (L.) (HEPPER) ON THE HARVEST INDEX AMONG THE DIFFERENT GENOTYPES

Abstract

A field experiment was conducted with 430 germplasm collections of blackgram comprising of short, medium and long duration varieties in a red sandy loam soil under both inoculated and uninoculated conditions. Eventhough the grain yield increased with increase in duration of the variety the increase of grain yield was not proportionate to that of the total biological yield. Short duration varieties recorded significantly higher harvest Index than medium or long duration varities. Inoculation with rhizobia significantly in- creased the grain yield and harvest Ind ex.

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Tamil Nadu Agricultural University
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Madras Agricultural Students Union
Tamil Nadu Agricultural University
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Tamil Nadu, India.

ISSN : 0024-9602
eISSN : 2582-5321

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