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Journal of Agricultural Science and Technology، جلد ۲۶، شماره ۳، صفحات ۶۲۳-۶۳۵
عنوان فارسی
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عنوان انگلیسی Fruit Yield and Quality of Fig (Ficus carica L.) are Affected by Foliar Sprays of Potassium Sulfate
چکیده انگلیسی مقاله Fruit yield and quality in fig (Ficus carica L.) are highly influenced by mineral nutrition, especially Calcium (Ca) and potassium (K). In this study, the impact of soluble potassium sulfate (K2SO4) foliar application on yield, fruit quality, and leaf nutrient content was assessed during three consecutive years (2017- 2019) on fig cv. ‘Bouhouli’ grown in Northwest Tunisia. Potassium sulfate was sprayed at 2% concentration on leaves of ‘Bouhouli’ trees twice each year during fruit development. This improved fruit weight by 29.5% and 34.9% in the first and second years, respectively, while yield and fruit quality were improved in 2018 only. The fruit ostiole-end cracking, which is one of the fruit quality criteria, was reduced under potassium treatment by 3-fold (17%) compared to the control (53%), in 2018. Also, potassium treatment increased significantly the content of total soluble solids in the fruits during the first two seasons. Besides, K leaf concentration significantly increased after the 2% K2SO4 treatment in 2018 and 2019. These results suggest that potassium sulfate foliar sprays could be used as part of an efficient and sustainable fertilizer program to improve fig tree yield and fruit quality.
کلیدواژه‌های انگلیسی مقاله Fig cracking,Fig quality traits,Fig yield,Ostiole-end splitting
نویسندگان مقاله B. Gaaliche |
Laboratory of Horticulture, National Agricultural Research Institute of Tunisia (INRAT), IRESA-University of Carthage, Hédi Karray Street, 1004 El Menzah, Tunis, Tunisia.

J. Ben Yahmed |
Laboratory GREEN-TEAM (LR17AGR01), National Agronomic Institute of Tunisia (INAT), University of Carthage, 43 Avenue Charles Nicolle, 1082 Tunis, Tunisia.

H. Benmoussa |
Laboratory GREEN-TEAM (LR17AGR01), National Agronomic Institute of Tunisia (INAT), University of Carthage, 43 Avenue Charles Nicolle, 1082 Tunis, Tunisia.

M. Ben Mimoun |
Laboratory GREEN-TEAM (LR17AGR01), National Agronomic Institute of Tunisia (INAT), University of Carthage, 43 Avenue Charles Nicolle, 1082 Tunis, Tunisia.

نشانی اینترنتی https://jast.modares.ac.ir/article_16943_5e6d0e022d7e56f788fc5de1c0807beb.pdf
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