Abstract
Seeds from five trees of shisham (Dalbergia sissoo) in each of eight girth classes viz., 0-30, 31-60, 61-90, 91-120, 121-150, 151-180, 181-210 and 211-240 cm inside the existing shisham plantation of CCS Haryana Agricultural University, Hisar were subjected to the measurement of seed quality parameters namely, electrical conductivity (µ mhos/cm/seed), germination (%), viability (%), accelerated ageing (%) and vigour index. Highly significant variation was recorded for seed size and electrical conductivity among girth classes studied. Seed size gave highly positive correlation with seed germination, viability, accelerated ageing and vigour index. Whereas electrical conductivity was negatively correlated with all the seed quality parameters studied.
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