Vol. 19 No. 2
Response of varieties and planting dates on postharvest performance of gladiolus under the ecological conditions of Punjab
Author(s): R. KAUR, S. JHANJI AND K. K. DHATT
Abstract: Variation in temperature due to different planting time is considered as important attribute influencing performance of Gladiolus. An experiment was conducted to evaluate five gladiolus cultivars (Punjab Glad 3, Punjab Lemon Delight, CPG, Punjab Glance and White Prosperity) under four planting dates (28th September, 28th October, 28th November and 28th December) for their postharvest performance. The planting dates and cultivars significantly affected the postharvest quality of spikes. Among different dates of planting, September planting exhibited most favorable responses with minimum days taken to open basal floret in vase (1.27 days), maximum floret size (7.84 cm), maximum number of florets open at one time (5.66), maximum per cent opening of florets (73.07%), maximum vase life (8.65 days), minimum change in pH of vase solution (0.26), maximum total water absorbed per spike (73.06 ml) and minimum loss in weight at termination of vase life (33.07%). Vase life of gladiolus spikes gets affected with variation in planting time, because low temperature during reproductive growth stages aided in extending it.
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