Effect of spraying salicylic acid and biostimulant (Biomagic) on productivity and quality of pomegranate under heat stress in Siwa OasisJournal: International Journal of Environment, Agriculture and Biotechnology (Vol.7, No. 4)
Publication Date: 2022-07-20
Authors : Amin M. G. E. Shaddad Sheren A. Abd El-Hamied;
Page : 118-130
Keywords : pomegranate; Biomagic; salicylic acid; heat stress; Siwa Oasis.;
This study was implemented through the project (Sustainable development of fruit trees affected by some environmental stress in Matrouh governorate) funded by Regional Development Centers (RDC), Academy of Scientific Research and Technology (ASRT) (Call no. 2/2019/ASRT-RDC). It was carried out on 81 trees of Manfalouty pomegranate cv (Punica granatum) during the two successive seasons of 2020 and 2021 at the Khamisa research station of D.R.C. at Siwa Oasis-Matrouh Governorate-Egypt. The study aimed to investigate the influence of salicylic acid (SA) and the biostimulant biomagic to improve fruit productivity and the quality of pomegranate var. "Manfalouty." All the treatments were subjected to the same agricultural practice. The foliar treatments were used, tap water (T1), salicylic acid 100 ppm (T2), salicylic acid 200 ppm (T3), biomagic at 7.5 cm/l (T4), biomagic at 8.5 cm/l (T5), salicylic acid 100 ppm + biomagic 7.5 cm/l (T6), salicylic acid 100 ppm + biomagic 8.5cm/l (T7), salicylic acid 200 ppm. The obtained results showed that all the treatments were affected by spraying fruit trees with salicylic acid in combination with biomagic, followed by the solo concentrations of each treatment in both seasons. Meanwhile, T9 gave the best vegetative growth, fruit physical, chemical properties, and gave the lowest total acidity, fruit cracking percentage, and sunburn percentage in the 1st and 2nd season, respectively.
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