The impact of calcium chloride, potassium nitrate and flower thinning on yield component and fruit quality of Manfalouty pomegranate cultivar | ||
| Assiut Journal of Agricultural Sciences | ||
| Article 15, Volume 54, Issue 1, January 2023, Pages 213-226 PDF (485.64 K) | ||
| Document Type: Original Article | ||
| DOI: 10.21608/ajas.2023.174474.1199 | ||
| Authors | ||
| Aiman K.A. Mohamed; Mokhtar M. Shaaban; Aliaa M. Abd El-Hamid; Azza S. Hussein* | ||
| Pomology Department, Faculty of Agriculture, Assiut University, Assiut, Egypt | ||
| Abstract | ||
| Pomegranate growers in Egypt have been struggling with a variety of production issues, including splitting, sunburn, and a lack of proper colour intensity and consistency, which are major barriers to attaining high quality fruit. The present research designed to evaluate the effects of calcium chloride (CaCl2), potassium nitrate (KNO3) and flower thinning on reducing this disorders and improving fruit quality. Seven treatments were carried including foliar application with CaCl2 2 and 4%, KNO3 250 and 500 ppm alone or combined with flower thinning and control (spraying with water). The spraying treatments took place three times, at the beginning of flowering (during April), after fruit set completion (first July) and before harvesting (first September), during the two seasons of study. Hand flower thinning was done to all the flowers that appeared during the last week of May till the end of flowering period. The obtained results indicated that spraying 500 ppm KNO3 or 4% CaCl2 alone or combined with flower thinning are considered the best treatments in its effects on the yield components, fruit quality, anthocyanin content and decreasing the fruit cracking. | ||
| Keywords | ||
| CaCl2; KNO3; Flower thinning; Anthocyanin; Fruit cracking | ||
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