Evaluation of six rice genotypes in relation to field hydrology [India]
1985
Jaggi, I.K. | Das, R.O. | Bisen, D.C. (Jawaharlal Nehru Krishi Vishwa Vidyalaya, Zonal Agricultural Research Station, Labhandi, Raipur, Madhya Pradesh (India))
Short-duration MW 10 performed best in semiwet season, yielding 2.5 t/ha. Late-maturing Mahsuri yielded lowest, 0.3 t/ha. Poorva, IR 36, Usha, and Safri 17 produced intermediate yields. Safri 17 was less susceptible to drought than Mahsuri. It had less leaf rolling and high root density. The groundwater level fell during the cropping season. Longer duration rices suffered more drought stress and yields declined. Subsoil moisture (30-80 cm deep) was particularly important to medium and late duration varieties in semiwet season
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