Total biomass per plant, nitrogen content at prepodding stage and harvest index showed positive and significant association with seed yield, while nitrogen content at harvest stage showed nonsignificant association and specific leaf weight showed negative correlation with seed yield. Path analysis studies revealed that nitrogen content at prepodding stage, total biomass per plant and harvest index showed positive direct effects. Positive correlation of these traits along with positive direct effects indicated usefulness of these traits for direct selection. Specific leaf weight and nitrogen content at harvest stage gave negative direct effects reflecting meagre importance for yield improvement in blackgram.
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Tamil Nadu Agricultural University
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Tamil Nadu, India.
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Madras
Agricultural Students Union
Tamil Nadu Agricultural University
Coimbatore - 641 003
Tamil Nadu, India.
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