Al-Omrani, H., Hamad, R. (2023). Efficiency of Fig Tree (Aswad Diyala) for Peeling and Spraying with Gibberellin and Iron on the Content of the Branches of Nutrients. Alustath, 13(2), 18-27. doi: 10.33794/qjas.2023.140752.1128
Hussein Al-Omrani; R. M. Hamad. "Efficiency of Fig Tree (Aswad Diyala) for Peeling and Spraying with Gibberellin and Iron on the Content of the Branches of Nutrients". Alustath, 13, 2, 2023, 18-27. doi: 10.33794/qjas.2023.140752.1128
Al-Omrani, H., Hamad, R. (2023). 'Efficiency of Fig Tree (Aswad Diyala) for Peeling and Spraying with Gibberellin and Iron on the Content of the Branches of Nutrients', Alustath, 13(2), pp. 18-27. doi: 10.33794/qjas.2023.140752.1128
Al-Omrani, H., Hamad, R. Efficiency of Fig Tree (Aswad Diyala) for Peeling and Spraying with Gibberellin and Iron on the Content of the Branches of Nutrients. Alustath, 2023; 13(2): 18-27. doi: 10.33794/qjas.2023.140752.1128
Efficiency of Fig Tree (Aswad Diyala) for Peeling and Spraying with Gibberellin and Iron on the Content of the Branches of Nutrients
جامعة الانبار كلية الزراعة قسم البستنة وهندسة الحدائق
Abstract
The experiment was conducted on fig trees, Diyala black variety, at the age of (13) years, in one of the orchards affiliated to the General Directorate of Vocational Education / Vocational Section in Diwaniyah Mixed Agricultural Preparatory School / Qadisiyah Governorate for the season 2022, 81 black Diyala fig trees, homogeneous in size, height, and growth strength as much as possible, were selected, planted at dimensions (4 x 4) meters, and irrigated by a plate method, in order to study the response of fig trees to pruning (0, 25, and 50%) and spraying with gibberellin (0, 30, and 60 mg.L-1) and chelated iron (0, 1, and 2 g.l-1) in the nutrients content of fig leaves of Black Diyala variety, the experiment was designed as a factorial according to the randomized block design (RCBD), the experiment included 27 treatments with three replications and were distributed randomly in three sectors, tree branches were pruned last season on 1/1/2022 and trees were sprayed with gibberellin and chelated iron in the early morning, starting on 3/15/2022, the spraying was repeated every 15 days three times. Chelated iron three days after spraying gibberellin. The results showed that the levels of pruning and the concentrations of spraying gibberellin and chelated iron on the trees were positive in increasing the content of the branches of the nutrients under study compared to the comparison treatments, whether single or combined. % for nitrogen, 0.198, 0.166, and 0.152% for phosphorus, 0.887, 0.782, and 0.755% for potassium, 0.541, 0.506, and 0.493% for calcium, and 0.541, 0.506, and 0.493 mg kg-1 dry matter, respectively, while recorded The overlap coefficients P2G2, P2F2, and G2F2 recorded 1.49, 1.43, 1.30% nitrogen, 0.237, 0.212, 0.179% phosphorus, 0.935, 0.905, 0.794% potassium, 0.569, 0.549, 0.513% calcium, and 57.89%. And 54.78 and 47.47 mg kg-1 dry material for the element iron, respectively. As for the triple interaction between the factors, the treatment P2G2F2 recorded the best results in these characteristics, amounting to 1.55% nitrogen, 0.267% phosphorus, 0.944% potassium, 0.577%, and 59.19 mg kg-1 dry matter for the iron element.
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