Baiea, M., EL-Gioushy, S., El-Badawy, H. (2018). Efficacy of Kaolin and Screen Duo Spraying on Fruit Sunburn, Yield and Fruit Quality of Keitt Mango Fruits. Journal of Plant Production, 9(12), 1013-1020. doi: 10.21608/jpp.2018.36619
M. H. M. Baiea; S. F. EL-Gioushy; H. E. M. El-Badawy. "Efficacy of Kaolin and Screen Duo Spraying on Fruit Sunburn, Yield and Fruit Quality of Keitt Mango Fruits". Journal of Plant Production, 9, 12, 2018, 1013-1020. doi: 10.21608/jpp.2018.36619
Baiea, M., EL-Gioushy, S., El-Badawy, H. (2018). 'Efficacy of Kaolin and Screen Duo Spraying on Fruit Sunburn, Yield and Fruit Quality of Keitt Mango Fruits', Journal of Plant Production, 9(12), pp. 1013-1020. doi: 10.21608/jpp.2018.36619
Baiea, M., EL-Gioushy, S., El-Badawy, H. Efficacy of Kaolin and Screen Duo Spraying on Fruit Sunburn, Yield and Fruit Quality of Keitt Mango Fruits. Journal of Plant Production, 2018; 9(12): 1013-1020. doi: 10.21608/jpp.2018.36619
Efficacy of Kaolin and Screen Duo Spraying on Fruit Sunburn, Yield and Fruit Quality of Keitt Mango Fruits
1Horticultural Crops Technology Dept., National Research Centre, Dokki, Giza, Egypt
2Hort. Dept., Faculty of Agric., Benha Univ., Egypt.
3Hort. Dept., Fac. Agric., Benha Univ., Egypt.
Abstract
This study was carried out during two successive seasons (2016 and 2017) on six years old Keitt mango trees grafted on Succary seedlings as rootstocks and planted at 2×3 meters in sandy soil under drip irrigation system in Kafr El-Sohbi village, Qalubia Governorate, Egypt., To study the influence of kaolin and screen duo foliar application on fruit sunburn, yield and fruit quality. Hence, the foliar applications treatment were kaolin (aluminum silicate) at 25,50 and 75g/L and screen duo at 6,12 and 18 cm3/L sprayed once at mid of June and also sprayed twice at mid of both June and July during both seasons of study as well as, control (tap water spray). The influence was evaluated through the response of the different measurements as yield, sunburned fruit measurements, fruit quality and fruit skin color parameters with kaolin and screen duo concentrations and times of spray (once or twice). The obtained results revealed that the response to screen duo was more pronounced and differences between its three concentrations were significant in most cases as compared each other from one hand and the highest one (18 cm3/L.) was the most effective in most cases from the other hand. Referring the specific effect of times of spray (once or twice) data display obviously that the highest values in most cases were significantly in concomitant to fruits sprayed twice during both seasons of study. Anyhow, it could be concluded that, spraying screen duo at 12 and/or 18 cm3/L twice in summer months (at mid of both June and July) had a positive effect to prevent fruit sunburn damage and improved yield and fruit quality of Keitt mango fruits.
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