Study on the effects of planting geometry, bulb size and planting dates on the growth and seed yield of onion (Allium cepa L.)

Yadav, V.K.; Singh, B.; Srivastava, J.P.

Progressive Agriculture 2(2): 148-150


Accession: 003951562

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The effects of bulb size (4.0-5.0 or 5.5-6.5 cm), spacing (45x30 or 60x30 cm) and planting date (14 October, 24 October, 3 November, 13 November or 23 November) on the performance of onion cv. Kalyanpur Red Round were studied in Kalyanpur, Kanpur, Uttar Pradesh, India during the rabi season of 1998/99. Large bulbs (5.5-6.5 cm) planted on 3 November at a spacing of 45x30 cm resulted in high number of umbels per plant and highest seed yield (8.20 quintal/ha). However, an optimum seed yield of 7.64 quintal/ha was obtained with large bulbs planted from 24 October to 13 November at a spacing of 45x30 cm.