The Effect of Salicylic Acid and Potassium on Some Characteristics Nut and Physiological Parameters of Pistachio Trees Cv. Owhadi

Authors

1 Department of Horticulturals sciences, College of Agriculture, Vali-e-Asr University of Rafsanjan. 22 Bahman square, 518, Rafsanjan, Kerman, Iran

2 Department of Horticulturals sciences, College of Agriculture, Vali-e-Asr University of Rafsanjan. 22 Bahman square, 518, Rafsanjan, Kerman, Iran.

Abstract

The effect of three salicylic acid (0, 50 and 100 mg l-1) and K2SO4 (0, 0.1 and 0.2 %) levels on some characteristics nut and physiological parameters of pistachio trees cv. ‘Owhadi’ were investigated. Treatments were applied at endospermic growth stage of seed and cotyledons appearance. The results showed that potassium increase yield, splitting percentage; nut fresh mass and kernel dry mass and decrease blank percentage whereas the application of salicylic acid was unaffected on splitting percentage and decrease blank percentage. Simultaneous application of salicylic acid and potassium increase K and Zn concentrations of leaves.

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