Effect of Paisen, Populuseuphratica Bud Extract and Copper Sulfate on Some Traits of Vegetative Growth and Yield of Aswad Diyala Cultivars

Abstract

This study was conducted in a private orchard in Al-Kifl District/Babylon province for the season 2020, 54 fig trees of the Aswad Diyala cultivar, aged 8 years, were selected, homogeneous in size and growing strength as much as possible and planted on dimensions (5 x 5 m). Trees are irrigated as a tourist and fertilized with nitrogen and compound fertilizers in two batches in the third and fifth months annually at an average of 1 kg/tree-1, as well as fertilized with decomposed organic fertilizer every two years depending on a source for fertilizer recommendations. The study included 18 treatments, and each treatment was replicated three times (each tree was considered an experimental unit). The randomized complete block design (R.C.B.D) ‘Research design: The experiment is implemented by following the Randomized Complete Block Design (R.C.B.D) as a factorial experiment (3 x 3 x 2) of Paisen were (0, 100, 200) mg/L-1 (Paisen is a natural cytokinin extracted from the roots of grape vines) and Populuseuphratica bud extract (0, 20, 30) g/L-1 and copper sulfate (0, 2.5) g/L-1 spraying on the vegetative growth in three periods. And the highest results obtained were for) Paisen 200 mg/L-1 + extract 30 g/L-1 + copper sulfate 2.5 g/L-1 ( (yield quantity - fruit weight - fruit size - chlorophyll content of leaves and leaf area) and were recorded (27.12 kg – 38.05 g – 33.97cm3 – 115.93 mg/kg fresh weight – 174.19 cm2 ) respectively) when using the highest concentrations of each of the study factors combined compared to the lowest results when the control treatment and reached ( 21.03 kg – 30.68 g – 25.07 cm3 – 111.77 mg/kg fresh weight – 152.26 cm2) respectively.