EFFECT OF DIFFERENT CONCENTRATION LEVELS OF NPK ON GROWTH, FLOWERING AND YIELD OF TUBEROSE (Polianthes tuberosa L.) CV. SHRINGAR
Journal Title: International Journal of Agriculture Sciences - Year 2016, Vol 8, Issue 57
Abstract
The experiment was conducted at the Department of Horticulture, Sam Higginbottom Institute of Agriculture Technology & Sciences, Allahabad, (U.P.) during the period from March to November (2013) to investigate the Effect of different concentration levels of NPK on growth, flowering and yield of tuberose (Polianthes tuberosa L.) cv. Shringar. Twelve treatments were included in the trial viz; T0 (Control), T1 (25:50:20), T2 (50:80:40), T3 (75:110:60), T4 (100:140:80), T5 (125:170:100), T6 (150:200:120), T7 (175:230:140), T8 (200:260:160), T9 (225:290:180), T10 (250:320:200) and T11 (275:350:220) N,P,K kg ha-1 were tested in three replication. The experimental design was Randomized Block Design. The results reveal that fertilizer treatments had significant response on all parameters. The maximum plant height (70.90 cm), number of leaves/plant (33.53), number of tillers/clump (3.40), number of spike/clump (5.67), yield of spike/ha (656.31), number of bulbs/clump(17.38 g), weight of largest bulb (77.74 g) and diameter of largest bulb (5.58 cm) were produced by the treatment (T9) of N:P:K in the ratio of 225:290:180 kg/ha. It was the best treatment for good vegetative as well as reproductive growth. Application of N, P2O5 and K2O at 225:290:180 kg/ha may be applied.
Authors and Affiliations
BHARTI SAO
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