Response of Wet Seeded Rice Varieties to Sowing Dates
Keywords:Grain yield, seeding dates, wet seeding rice
AbstractThe experiment was conducted at Regional Agriculture Research Station, Parwanipur in two
consecutive years to find out the suitable rice varieties for wet seeding conditions in relation to
sowing dates. Yield components like tillers number/m2, number of filled grains/panicle and
1000-grain weight were found in the decreasing trend from the seeding of 15 of June onward.
The percent decrease in the grain yield was 14.1, 31.8 and 50.6 in 1998/99 where as 4.8, 7.9 and
49.6 in 1999/00 on June 29 to July 14 seeding dates respectively as compared to 15 June seeding
date. Radha 4 in the first and Chaite 2 in the second year recorded the highest grain yield of
3757 and 4197 kg/ha respectively. Interaction effect of the sowing dates and varieties was
highly significant. Radha 4 produced the highest grain yield of 5039 kg/ha in 1998/99 where as
Radha 4 and Chaite 6 were found at par in 1999/2000 seeded on 15 June. Radha 4 was the best
variety for wet seeded conditions when seeded on 15 June. Chaite 2 had been observed good
yielder in all seeding dates among the tested varieties.
Key words: Grain yield; seeding dates; wet seeding rice
Nepal Agriculture Research Journal Vol.6 2005 pp.35-38
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