Agronomy, Volume (10), No (6), Year (2020-6) , Pages (832-842)

Title : ( Early Season Foliar Iron Fertilization Increases Fruit Yield and Quality in Pomegranate )

Authors: Sohrab Davarpanah , Ali Tehranifar , Mahvash Zarei , Mehdi Aran , Gholam Hossein Davarynejad , Javier Abadia ,

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Abstract

physicochemical characteristics were assessed in a two-season field trial. Fertilizers were sprayed at full bloom and one month later, using Fe concentrations of 1.3 and 2.6 mM for FeSO4 and 1.1 and 2.1 mM for the Fe-chelate. Both doses of FeSO4 and the higher chelate dose increased leaf Fe concentrations and fruit yield, with the best results being observed with 2.6 mM FeSO4 (20–31% increases in yield). On the other hand, leaf N, P, K, Ca, and Mn concentrations were not aected by foliar Fe fertilization. The only treatment that increased the number of fruits per tree, aril juice content and juice total soluble solids and decreased juice total acidity in both seasons was 2.6 mM FeSO4. Both FeSO4 doses caused consistent increases in the maturity index and total sugars in juice, along with minor decreases in juice total phenolic compounds. The antioxidant activity in juice was slightly decreased by 2.6 mM FeSO4. In conclusion, early season foliar Fe fertilization had positive eects on pomegranate yield and quality, with FeSO4 being better than Fe(III)-EDDHA.

Keywords

Punica granatum L.; foliar fertilization; iron chlorosis; iron deficiency; fruit quality
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@article{paperid:1100312,
author = {Davarpanah, Sohrab and Tehranifar, Ali and Zarei, Mahvash and مهدی آران and Davarynejad, Gholam Hossein and جاویر آبادیا},
title = {Early Season Foliar Iron Fertilization Increases Fruit Yield and Quality in Pomegranate},
journal = {Agronomy},
year = {2020},
volume = {10},
number = {6},
month = {June},
issn = {2073-4395},
pages = {832--842},
numpages = {10},
keywords = {Punica granatum L.; foliar fertilization; iron chlorosis; iron deficiency; fruit quality},
}

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%0 Journal Article
%T Early Season Foliar Iron Fertilization Increases Fruit Yield and Quality in Pomegranate
%A Davarpanah, Sohrab
%A Tehranifar, Ali
%A Zarei, Mahvash
%A مهدی آران
%A Davarynejad, Gholam Hossein
%A جاویر آبادیا
%J Agronomy
%@ 2073-4395
%D 2020

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