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Effect of seeding interval and transplanting age on seed yield and seed quality in KRH-4 hybrid rice

A field experiment was conducted during 2016 and 2017 at Agricultural Research Station, Malagi, UAS, Dharwad to know the effect of seeding interval and transplanting age on seed yield and seed quality in KRH-4 hybrid rice. The results revealed that, the transplanting of seedlings at the age of 18 days recorded the highest number of productive tillers (9.47 and 10.52), highest seed yield per hectare (838 kg, 888 kg) whereas, the early sowing of pollen parent by 2 days ensured better synchrony with higher seed set per cent (18.11 %, 18.54 %) and seed yield per hectare (1170 kg, 1225 kg). The 18 days old seedlings registered the higher seed quality parameters like germination percentage (96.53% and 97.60%) and seedling vigour index (2734 and 2858). The study indicated that transplanting of seedlings at the age of 18 days together with early staggering of pollen parent by 2 days to female parent ensures higher seed set and seed yield in KRH-4 hybrid rice under zone 9 (hilly zone) of Karnataka. | Effect of seeding interval and transplanting age on seed yield and seed quality in KRH-4 hybrid rice