Effect of spraying salicylic acid and biostimulant (Biomagic) on productivity and quality of pomegranate under heat stress in Siwa Oasis

This study was implemented through the project (Sustainable development of fruit trees affected by some environmental stress in Matrouh governorate) funded Regional Development Centers (RDC), Academy Scientific Research and Technology (ASRT) (Call no. 2/2019/ASRT-RDC). It carried out on 81 Manfalouty pomegranate cv (Punica granatum) during two successive seasons 2020 2021 at Khamisa research station D.R.C. Siwa Oasis-Matrouh Governorate-Egypt. The aimed to investigate influence salicylic acid (SA) biostimulant biomagic improve productivity quality var. "Manfalouty." All treatments were subjected same agricultural practice. foliar used, tap water (T1), 100 ppm (T2), 200 (T3), 7.5 cm/l (T4), 8.5 (T5), + (T6), 8.5cm/l (T7), ppm. obtained results showed that all spraying with combination biomagic, followed solo concentrations each treatment both seasons. Meanwhile, T9 gave best vegetative growth, physical, chemical properties, lowest total acidity, cracking percentage, sunburn percentage 1st 2nd season, respectively.