SIGNIFICANCE OF DRY MATTER PRODUCTION AND ITS PARTITIONING IN HORSEGRAM GENOTYPES

K.MANIAN; N.NATARAJARATNAM; P.RAMASWAMY; M. BALASUBRAMANIAN and S.R.SREERANGASAMY

doi:https://doi.org/10.29321/MAJ.10.A02060

Madras Agricultural Journal

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SIGNIFICANCE OF DRY MATTER PRODUCTION AND ITS PARTITIONING IN HORSEGRAM GENOTYPES

Author: K.MANIAN, N.NATARAJARATNAM, P.RAMASWAMY, M. BALASUBRAMANIAN and S.R.SREERANGASAMY,

p-ISSN: 0024-9602, e-ISSN:2582-5321, Vol: 76, Issue: sep-sep,

DOI:https://doi.org/10.29321/MAJ.10.A02060

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Abstract

Evaluation of 200 genotypes of horsegram for their efficiency of source and sink strength revealed that partitioning efficiency towards reproductive sink (PERS) and dry matter production at pod development stage had significant effects on grain yield. There were limitations in source in respect of low yielders and sink strength in the high yielders. Genotypes PLS 6114 and HG 23 were isolated es idotypes which possess high DMP and PERS at the time of pod formation stage coupled with better yield performance.

Keywords: Dry matter production, Partitioning efficiency, Horsegram.

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