EFFECT OF PLANTING GEOMETRY AND NUTRIENT LEVELS ON GROWTH, YIELD AND QUALITY OF ROSE CV. CHARISMA
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Date
2012
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University of Horticultural Sciences, Bagalkot
Abstract
An experiment was conducted to find out the optimum plant geometry and nutrient levels on growth, yield and quality of rose cv. Charisma during 2011-12 at Regional Horticultural Research and Extension Centre, UHS (Campus) GKVK, Bangalore.
The experiment was laid out in two Factorial Randomized Complete Block Design with 12 treatment combinations comprising of three different plant density viz., S1 (0.75 x 0.75 m), S2 (1.50 × 1.00 m) and S3 (1.80 × 1.00 m) and four levels of nutrient viz., N1 (20:20:30 g NPK/plant), N2 (30:30:45 g NPK/plant), N3 (40:40:60 g NPK/plant) and N4 (50:50:75 g NPK/plant).
The present investigation reveals that there was an improvement in the growth, yield and quality parameters of rose cv. Charisma with different plant density and nutrient levels. Based on the results of the study, it is concluded that, S2N2 (1.50 × 1.00 m with 30:30:45 g NPK/plant/year) produced maximum plant height (70.73 cm), minimum days taken for 50 per cent flowering (45.67), total yield per plant (0.83 kg), and maximum shelf life (39.72 hr). Whereas, S1N4 (0.75 × 0.75 m with 50:50:75 g NPK/plant/year) registered, highest total yield per hectare (10.83 tonnes).
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planting, yields, nutrients, roses, biological development, research methods