Integrated Nutrient Management of Tuberose (Polianthes tuberosa L.) cv. Phule Rajani

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Date
2011
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MPUAT, Udaipur
Abstract
A field research on “Integrated Nutrient Management of Tuberose (Polianthes tuberosa L.) cv. Phule Rajani” was carried in Udaipur Zone IV-a (May, 2010 to March 2011). Total 16 treatment combinations of inorganic, organic sources, and bio-fertilizers were used. The data recorded for different growth, flowering, yield and vase life quality parameters were subjected to statistical analysis with RBD. The objectives of experimentation were to assess effect of organic sources, biofertilizers and their combination with reduced level of inorganic fertilizers on growth, flowering, yield, vase life quality parameters, economics of tuberose cultivation and NPK status of soil after completion of crop. The results of present investigation indicated that the application of 60 % recommended dose of NPK through inorganic fertilizers + neem cake 12 q ha-1 + vermicompost 20 q ha-1 + Azotobacter + PSB recorded significantly maximum number of leaves per plant (29.05), plant height (82.90 cm), spike length (58.43 cm), number of florets per spike (30.95), diameter of basal floret (4.10 cm), duration of flowering (31.53 days) and durability of spike in field (7.83 days) and yield components viz., number of spikes per plant (2.98), weight of florets per spike (15.25 g), weight of spike (53.55 g), diameter of bulb (2.35 cm), weight of bulbs (Clump) per plant (201.55 g), number of bulbs per plant (3.98), number of bulbs per plot (79.73), weight of bulbs (Clump) per plot (4.03 kg) and yield of bulbs (Clump) per hectare (224.07 qt), vase life of spike (7.33 days), floret diameter in vase (4.13 cm), numbers of florets opened in vase (25.70 florets), % floret opening (95.35 %), longevity of opened floret (3.23 days) and uptake of water in vase (39.55 ml), net return rupees 571411 ha-1 , benefit cost ratio 2.36 and percent increase in available N,P,K / ha by 9.93, 18.05 and 4.06 respectively followed by 40 % recommended dose of NPK through inorganic fertilizer + neem cake 18 q ha-1 + vermicompost 30 q ha-1 + Azotobacter + PSB. Similarly, the number of days required for sprouting of bulbs (10.03), spike emergence (70.03 days) and basal floret opening (3.20 days) respectively were also minimized significantly in aforesaid treatment. * PG Research Scholar, Department of Horticulture, Rajasthan College
Description
Integrated Nutrient Management of Tuberose (Polianthes tuberosa L.) cv. Phule Rajani
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Citation
Meena and Bairwa, 2011
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