Impact of foliar spray treatments on yield, quality traits and total aflatoxin content of some peanut cultivars in sandy soils

Document Type : Original Article

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Agronomy Department, Faculty of Agriculture, Cairo, Al-Azhar University

Abstract

Two field experiments were conducted in agronomy department farm, faculty of agriculture sadat city, al-azhar university, el-menofia governorate, Egypt, during 2020 and 2021 seasons, to study the effect of foliar spraying treatments (Control, ZnO, CuO, MgO with concentrate 1cm3/l. in nanoparticles form and salicylic acid with concentrate 1.25g/l.). on yield ,qualitytraits and seed content of aflatoxin, at and after harvest of some Peanut cultivars ( Giza5, Giza6 and Gergory). Results indicated that the differences between foliar spray concentrations for pods yield/fed. oil and protein content as% in seeds as well as total aflatoxin as% were significant in the two seasons. peanut plants spraying with 1cm3/L. ZnO gave the  vitalfor Pods yield/fed. oil and protein content as % in seeds in both seasons, While spraying with CuO gave the highest values for total aflatoxin as% in the two seasons. Also, results indicated that Giza6 cultivar pronounced its superiority and scored the best values for pods yield/fed. total aflatoxin after drying and after three months, while giza5 cultivar gave the highest values for protein content in seeds and total aflatoxin at harvest. On the other hand gerogory cultivar gave the highest values for oil% in the two seasons. Results showed that foliar spraying of Giza 6 led to increase pods yield/fed., quality traits and decrease total aflatoxin content in seeds and after three months in storage under sandy soil conditions.

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