Author(s):

KD Mithapara and KM Karetha

Abstract: An investigation on “Effect of season and environmental conditions on softwood grafting of sapota under Saurashtra region of Gujarat cv. Kalipatti” was carried out at Hi-Tech Horticulture Park, Department of Horticulture, JAU, Junagadh during the year 2019-20. The treatments comprised of three level of season (S) viz., S₁ = February-March (Summer), S₂ = June-July (Kharif), S₃ = September-October (Winter) and three level of environmental conditions (C) viz., C₁ = Open field, C₂ = Net house, C₃ = Polyhouse. The experiment was laid out in Completely Randomized Design (CRD) with Factorial concept comprising nine treatment combinations with three replications. The result indicated that among season June-July recorded minimum number of days required for emergence of sprout (11.72). February-March recorded highest success rate (56.94%, 59.72%, 59.72% and 59.72%) with minimum mortality (43.06%, 40.28%, 40.28%, and 40.28%), maximum survival percentage (56.94%, 58.00%, 55.56% and 55.56%) at 30, 60, 90 and 120 DAG, respectively. The result indicated that among environmental conditions polyhouse recorded minimum number of days required for emergence of sprout (10.34), highest success rate (40.17%, 44.00%, 44.00% and 44.00%), minimum mortality (59.83%, 56.00%, 56.00% and 56.00%) and maximum survival percentage (40.17%, 43.00%, 43.44% and 43.44%) at 30, 60, 90 and 120 DAG, respectively.

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