EFFECT OF GA3 AND IAA ON GROWTH AND FLOWERING OF CARNATION
Journal: HortFlora Research Spectrum (Vol.1, No. 1)Publication Date: 2012-02-20
Authors : Vijai Kumar Vipin Kumar Vandana Umrao; Monbir Singh;
Page : 69-72
Keywords : Carnation; PGRs; GA3; IAA; Growth; Flowering; Field Condition;
Abstract
A field experiment was conducted to find out effect of plant growth promotors (GA3 and IAA) on growth and flowering of carnation under open field condition of Western Uttar Pradesh. Four levels of each of gibberellic acid (0, 50, 100ppm and 150 ppm) and IAA (0, 100, 200 and 300 ppm) were sprayed on standing crop of carnation in factorial R.B.D. with three replications. Results revealed that higher concentration of GA3 (150 ppm) or IAA (300 ppm) applied individually responded favourable effects on most of the paramaters studied. The interaction of higher levels of both the hormones (150 ppm GA3 and 300 ppm IAA) influenced significantly to all the characters except no. of side shoots and diameter of stem.
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