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Authors
Affiliations
1 Department of Horticulture, Junagadh Agricultural University, Junagadh-362 001, IN
2 ASPEE College of Horticulture and Forestry, Navsari Agricultural University, Navsari – 396 450, IN
Source
Journal of Horticultural Sciences, Vol 5, No 2 (2010), Pagination: 134-137
Abstract
Field experiments were conducted at Junagadh during 2002-05 to study the response of spacing (45 x 45, 45 x 30, 45 x 15, 30 x 30 and 30 x 15 cm) and crop duration (first year crop, first ratoon and second ratoon) on growth, flowering, cut flower yield and bulb production in tuberose cv. Double. The widest spacing (45 cm x 45 cm) registered the highest values for plant height (46.18 cm), number of leaves per clump (67.25), spike length (89.64 cm), spike diameter (0.95 cm), diameter of open flower (4.6 cm), rachis length (34.8 cm), number of spikes per clump (4.1), number of florets per spike (48.2), number of bulbs per clump (18.40) and number of bulblets per clump (31.60). It also induced early spike emergence and flowering. A planting distance of 30 x 30 cm realized the highest cut flower yield (2.72 lakh ha-1) and that of 30 cm x 15 cm recorded the highest bulb production (22 lakh ha-1). Ratoon crops showed higher plant height, number of leaves, bulbs, bulblets and spikes per clump and cut flower yield as well as bulb production over the first year crop. Early spike emergence and flowering was also noted in ratoon crops compared to the first year crop. However, spike and flower quality was inferior to that of first year crop with regard to spike length and diameter, number of florets per spike, diameter of open flower and rachis length.
Keywords
Tuberose, Spacing, Crop Duration, Growth and Flowering.
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