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INFLUENCE OF PGR AND MICRONUTRIENTS FOLIAR SPRAY ON TUBEROSE (Polianthes tuberosa) UNDER PROTECTED AND OPEN CONDITIONS
RUPA RANI, SANYAT MISRA, K.K. PRASAD

Published in: International Journal of Agriculture Sciences
Volume- 9, Issue-42, pp.4667-4670, Sep 2017
DPI :-> 16.10077.IJAS.2017.V9I42.46674670.2016



Abstract
Plant growth regulator and micronutrients has great impact on quality and quantity of tuberose, an experiment was designed at Ranchi (Jharkhand) during the year 2012 and 2013 on foliar spray of PGR (plant growth regulator) and micronutrients in tuberose under protected and open conditions. The experiment consisted of twelve treatments i.e.T1-GA3 (Gibberellic acid),T2-MH (Maleic hydrazide),T3-(Boron),T4-(Zinc),T5-(GA3+Boron), T6-(GA3+Zinc), T7-( MH+Boron), T8-( MH+Zinc), T9-( Boron+Zinc), T10-( GA3+Boron+Zinc), T11-( MH+Boron+Zinc) and T12 (water spray). Vegetative growth characters such as leaf length (65.02cm and 56.92cm, respectively), leaf number (62.61 and 57.61, respectively) leaf breadth (2.22cm and 2.08 cm, respectively) and flowering characters as spike length (117.59cm and 87.38cm, respectively), number of spikes per plant (2.70 and 1.33, respectively), number of florets per spike(59.10 and 40.57, respectively) were recorded maximum with foliar spray of GA3 (100ppm) +B (100ppm) +Zn (10ppm). However, maximum chlorophyll content (0.219 and 0.192, respectively) and diameter of florets (5.14 cm and 4.18cm, respectively) in polyhouse and open conditions were with foliar application of MH (500ppm) +B (100ppm) +Zn (10ppm).

Key-Words / Index Term
Micronutrients, Foliar spray, Gibberellic acid, Maleic hydrazide, Polyhouse

How to cite this article
RUPA RANI, SANYAT MISRA, K.K. PRASAD , “INFLUENCE OF PGR AND MICRONUTRIENTS FOLIAR SPRAY ON TUBEROSE (Polianthes tuberosa) UNDER PROTECTED AND OPEN CONDITIONS”, International Journal of Agriculture Sciences, 9, Issue-42, pp.4667-4670, Sep 2017. DPI:16.10077.IJAS.V9.I42.2016