The present study was carried out during two successive seasons of 2014 and 2015 on Manfalouty pomegranate trees grown in a private orchard, situated at Arab-Elawamer region, Abnoub city, Assiut Government, Egypt. The trees 9-years-old, were grown in sandy soil at 5 x 5m apart and irrigated by drip irrigation system. The main objective of this investigation was to study the effect of dormancy breaking agent on vegetative growth and flower bud breaking for producing early, high quality and increasing in grain crop of Manfalouty pomegranate cultivar. Considered dormancy breaking agent were mineral winter oil (MO) and Hydrogen cyanamide (H 2 CN 2 ) (H.C.). Winter oil (MO) was as applied one concentration (3 %), while hydrogen cyanamide (H.C.) at three different concentrations (1.5 or 3.0 or 4.5 %) and their combinations. All treatments were added at as foliar sprays three different dates (1 st Jan. or 15 Jan. or 1 st Feb.). The aim of this study was to formulate a general recommendation to be used by pomegranate growers for enhancing budburst, yield and fruit quality under Assiut governorate climatic conditions. The results showed significant variation in the bud burst percentage, fruit yield, fruits weight, fruit grain weight, fruit juice and total anthothianin percentage in aril and rind. The increase in total soluble solids (TSS) percentage, and Vitamin C content in fruit juice were obtained by application of winter mineral oil plus Hydrogen cyanamide (MO 3 % + H.C. 4.5%) on 1 st January. Thus, it can be recommended the application of winter mineral oil plus Hydrogen cyanamide (MO 3 % + H.C. 4.5 %) on 1 st January which could be a suitable technology for producing early and high quality of Manfalouty pomegranate fruits under Assiut governorate climatic conditions. This treatment is recommended for Manfalouty pomegranate growers in this area.
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