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Paper Details

Influence of planting date and spacing on growth and earliness parameters in onion seed crop

DEBARAJ BARMAN1, RAVINDRA MULGE1, M.B. MADALAGERI1 AND SUKHEN CHANDRA DAS*

Journal Title:International Journal of Agricultural Sciences
Abstract


Planting of bulbs on first October resulted with maximum plant height (80.4 cm) at 90 DAP (Days after planting) and maximum number of leaves at 90 and 120 DAP compared to first September and first November planting. Planting of bulbs at a closer spacing of 45 x 15 cm resulted with maximum plant height at 90 and 120 DAP over other spacing levels. Onion bulbs planted at a closer spacing of 45 x 15 cm resulted with maximum number of leaves on 90 DAP. However, wider spacing of 60 x 30 cm resulted with maximum number of leaves at 120 DAP. Bulbs planted on first October at 60 x 15 cm spacing resulted with maximum plant height (90.5 cm) at 90 DAP, whereas, first November planting at 60 x 15 cm recorded maximum (103.8 cm) plant height at 120 DAP. First October planting at 60 x 15 cm resulted in maximum number of leaves at 90 (65.60 and 120 (58.4) DAP. Onion bulbs planted on first November took least number of days for first and 50 per cent scape emergence and 50 per cent flowering, however first October planting took least number of days for first flowering. Onion bulbs planted at a closer spacing of 45 x 15 cm took least number of days for first and 50 per cent scape emergence and first and 50 per cent flowering. Onion bulbs planted on first November took least number of days for 50 per cent flowering.

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