Response of Barhee Date Palm to Spray with Potassium and GA3

Abstract

The objective of this study is to examine the response of Barhee date palm to spray with potassium sulphate and GA3. The study carried out during the period from March to September 2020. Inflorescences were sprayed with potassium sulphate as a source of potassium (0, 1, 1.5 and 2%) and GA3 (0, 150 and 200mg.l ) as individual application or in combination. The spraying with potassium sulphate (2%) and -1 GA3 (200 mg.l ) had a significant effect on fruit characteristics and yield. GA3 application delayed fruit ripening compared to potassium -1 sulphate treatments and control. The interaction (2% potassium sulphate + 200 mg.l ) had a significant effect in all fruits traits.