Effect of late seeding on phenology, morpho-physiological traits and dry matter distribution on urdbean
2012
Vijaylaxmi
In order to ascertain the effect of phenology, morpho-physiological traits, and dry matter distribution in different plant parts on seed yield of urdbean under late seeding condition, sixteen urdbean genotypes were planted during 2nd week of September of 2007 and 2008 and phenology, morpho-physiological traits, dry matter buildup and its distribution amongst plant parts were studied. With correlation studies followed by path analysis it was concluded that urdbean seed yield under late seeding condition is highly influenced by seed filling period and dry matter allocation in leaves during flowering. And at maturity it is moderately and positively affected by plant height at flowering and other traits viz., leaf area at flowering and at maturity, total dry matter accumulation at flowering and at maturity and SPAD values had very negligible effect. However, residual correlations were estimated to be of higher magnitude. More in depth study, involving more morphological and/or physiological parameters, to have a clear understanding of urdbean yield structure under late seeding condition.
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