Influence of cormel sizes and nitrogen uptake for enhancing growth of gladiolus
Paper Details
Influence of cormel sizes and nitrogen uptake for enhancing growth of gladiolus
Abstract
Influence of cormel sizes and nitrogen uptake for enhancing growth of gladiolus in Peshawar was studied at new development Farm, Department of Horticulture, The University of Agriculture, Peshawar during 2012-13. Three different sized cormels (<0.5cm, 0.5-1.0cm, >1.0cm) fertilized with nitrogen 0kg, 25kg, 50kg and 75kg ha-1 were studied. Cormel size (>1.0cm) significantly affected sprouting percentage (72.50), plant height (44.11cm), root length (6.68cm), leaf area plant-1 (53.81cm2), spike length (32.28cm) and survival percentage (98.28). Nitrogen at the rate of 50 kg ha-1 gave maximum plant height (44.26cm), number of roots plant-1 (14.40), root length (6.70cm), leaf area plant-1 (56.42cm2) and spike length (34.59cm). According to interaction the highest plant height (48.13cm) were observed in cormel size (0.5-1.0cm) fertilized with nitrogen at the rate of 50 kg ha-1. Percent increase (75.51) in cormel sizes were observed in cormel size (<0.5cm), leaf area (59.43cm2) plant-1 were noted in cormel size (>1.0cm) fertilized with nitrogen at the rate of 75 kgha-1. Most of the vegetative growth parameters were best when large sized cormels (>1.0cm) were fertilized with nitrogen at the rate of 50kgha-1. Hence Cormel size > 1.0cm and 50 Kg N ha-1 recommended to get best growth of gladioulus.
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