Author(s):

Subhasmita Sahu, Dr. Manas Ranjan Nath and Lopamudra Jena

Abstract: The present investigation for knowing the effect of split application of phosphorus on corm and cormel production of Gladiolus (Gladiolus grandiflorus L.) “Candyman” under Bhubaneswar condition was conducted at College of Agriculture, OUAT, Bhubaneswar, Odisha during the period from 7^th November 2018 to 10^th April 2019. The experiment was laid out with thirteen treatment and three replications following RBD to study the effect of different doses and number of split application of phosphorus in gladiolus. The treatments include four levels of phosphorus doses (10g, 20g, 30g, 50g) and three levels of number of split application at 15, 30, 45 days after planting with a constant dose of 40g nitrogen in two equal split at 15days and 30 days after planting and 30g. potassium after 15 days of planting and T₁₃ as control without any fertilizer application. The results derived from the experiment indicate that application of phosphorus exhibited significant improvements in contrast to which the control plots experienced poor yield of corm and cormels. Among different treatments maximum number of corms per plant, maximum fresh weight of corms, maximum diameter of corm and maximum number of cormels per plant was recorded in T₁₁ (30g. phosphorus in 3 equal split at fortnightly interval).

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