Effect of corm size and spacing on growth , yield and quality parameters of gladiolus under Jammu conditions

The investigation on different corm sizes (3.0 to 3.5, 3.6 to 4.0, 4.1 to 4.5 and 4.6 to 5.0 cm.) and spacings (15 x 30, 20 x 30, 25 x 30 and 30 x 30 cm ) on growth, yield and quality parameters of gladiolus cv. White Prosperity. Larger sized corms (4.6 to 5.0 cm.) in association with wider plant spacing of 30 x 30cm gave best performance. Plant height, number of leaves per plant, length of longest leaf, flowering duration, length of spike, length of flowering region of spike and number of florets per spike were observed to be significantly better with larger sized corms. Minimum days for sleeping and opening of basal floret were found in larger sized corms. Number of corms per plant, corm weight, diameter of corm, number of cormels per plant and cormel weight per plant in terms of quality and quantity showed increasing trend with increasing corm size and spacing. Wider spacing (30 x 30 cm) and larger corm size (4.6 5.0 cm) may be recommended for realizing better quality and produce in Gladiolus cv. White Prosperity under sub-tropical conditions of Jammu region.