STUDIES ON YIELD AND QUALITY OF TRANSPLANTED BT COTTON (GOSSYPIUM HIRSUTUM L.) TO DIFFERENT PLANT GEOMETRY UNDER IRRIGATED CONDITIONShashidhar Sajjan, Satyanarayana Rao, Shantappa Duttarganvi and U. N. Santhosh
The field experiment was conducted during 2010-11 at Main Agricultural Research Station Farm, Raichur to study the response of transplanted Bt cotton (Gossypium hirsutum L.) to different planting geometry under irrigated condition. Significantly higher seed cotton yield was obtained from the transplanting seedlings with different plant densities (2492 to 2828 kg ha-1) than the dibbled cotton at the spacings of 90 cm x 60 cm (2238 kg ha-1) and 120 cm x 45 cm (2095 kg ha-1). Among different transplanting geometry, significantly higher seed cotton yield was obtained in the spacing of 90 cm x 60 cm (2828 kg ha-1) and it was on par with 90 cm x 45 cm (2782 kg ha-1) and 120 cm x 45 cm (2674 kg ha-1) spacings and significantly superior over 120 cmx60 cm (2563 kg ha-1) and 90 cm x 90 cm spacings (2492 kg ha-1). The yield parameters viz., number of bolls per plant, boll weight, boll setting percentage and seed cotton yield per plant were significantly higher with transplanted cotton at different plant geometries as compared to dibbled cotton at spacing of 120 cmx45 cm. The quality parameters were not influenced by the methods of sowing with population levels.
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