Author(s): N. CHATTOPADHYAY AND J. K. HORE

Abstract: Investigation was undertaken for two consecutive years at Horticultural Research Station, Mondouri, Bidhan Chandra Krishi Viswavidyalaya West Bengal, India to compare the weight of nuts and method of planting of nuts on germination and seedling growth of coconut cv. ECT Five nut weights i.e., W1: 601 g-700 g, W2: 701-800 g, W3: 801-900 g, W4: 901-1000 g and W5: 1001-1100 g and two method of planting (horizontal and vertical) were included in the experiment in factorial RBD with four replication. Irrespective of the weight of nuts the early and higher germination percentage were recorded in horizontal method of planting as compared to vertical method. The final germination percentage (5 months after planting) were 86.80 per cent and 78.67 per cent in horizontal and vertical method of planting respectively. The final observations were recorded after 12 month of planting. The maximum seedling height (93.42 cm), collar girth (11.14 cm), number of leaves (6.50) and length of leaves (87.26 cm) were observed in horizontal planting as compared to vertical planting (87.32 cm, 10.49, 5.55 and 84.34 cm). The seedlings raised from heaviest seed nut (1001-1100 g) group exhibited the maximum seedling height (98.38 cm), collar girth (11.95 cm), number of leaves (6.74) and length of leaves (91.45) as compared to 82.16 cm, 9.70, 5.24, and 82.72 cm in minimum nut weight group (601-700 g). The horizontal method of planting with higher nut weight gave higher germination and better seedling as compared to vertical method of planting under Gangetic plains of West Bengal. Nut weight has positive correlation with germination percentage, collar girth, leaf number, length of leaves and seedling height.

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