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All Journal AGRIVITA, Journal of Agricultural Science
Zeina El Sebaaly
Department of Plant Production, Faculty of Agriculture, Lebanese University, Beirut, Lebanon
Agriculture, Biological Sciences & Forestry

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Performance of Annona Plants Subjected to Different Graft Combinations, Soil Types and Iron Fertilization May Hammoud; Zeina El Sebaaly; Saleh Mobarak Alturki; Salim Kattar; Youssef Najib Sassine
AGRIVITA, Journal of Agricultural Science Vol 44, No 2 (2022)
Publisher : Faculty of Agriculture University of Brawijaya in collaboration with PERAGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17503/agrivita.v44i2.2626

Abstract

In the last decade, annona crop was introduced to Lebanon. This experiment was conducted to enhance the adaptation of annona to local conditions. Three scion/rootstock combinations were obtained from self– and cross– cleft grafting of Annona squamosa (Sq) and Annona cherimola (Ch), planted in calcareous “white soil” and clay–loamy “red soil”, and fertilized or not by iron (Fe) through fertigation. In the third year, the treatment red soil–iron fertilization–Sq/Ch had significantly highest plant height, trunk diameter, leaf number, number of primary roots, fruit number and yield. In the third year, despite iron fertilization, plants of the three graft combinations cultivated in red soil had higher flower number, fruit number, individual fruits weight and yield, than those planted in white soil. In the same year, iron fertilization in white soil had only affected total dry mass, leaf mass fraction and leaf iron content. However, iron fertilization of Sq/Ch planted in red soil has improved leaf number, primary root number, primary root length, leaf chlorophyll index, and leaf iron content compared to non–fertilized plants. Conclusively, iron fertilization in red soil could be a useful method improving the performance and yielding capacity of annona crop mainly in Sq/Ch combination.
Drip vs. Mini-sprinkler Irrigation System on Leaf Water Potential and Various Vegetative Attributes of Annona squamosa under Lebanese Conditions May Hammoud; Saleh Mobarak Alturk; Zeina El Sebaaly; Youssef Najib Sassine
AGRIVITA, Journal of Agricultural Science Vol 43, No 2 (2021)
Publisher : Faculty of Agriculture University of Brawijaya in collaboration with PERAGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17503/agrivita.v43i2.2606

Abstract

Recently, the introduction of tropical crops in Lebanon represented a challenge for farmers and researchers. Constraints to the adaptation of such crops, to climatic and soil conditions were found. In this study, an orchard of Annona trees (Sq/Ch combination) was irrigated by minisprinkler system and drip system, and compared to a control (not irrigated) over two consecutive years (year 4 and year 5 of the project). Compared to the control, plant height and leaf number were improved the most in year 5 by drip irrigation. Leaf water potential that peaked in the summer season in control plants (-1.8 MPa) was the lowest in plants irrigated by drip system (-1.3 MPa). No significant difference was observed between treatments in the number of lateral shoots. TDM of plant parts was improved by drip irrigation in both experimental years by 81 g (year 4) and by 258 g (year 5). LMF was significantly enhanced in year 5 by the mini-sprinkler system. RMF was the highest in trees irrigated by drip irrigation (0.265 g/g) and the lowest in the control (0.227 g/g). SMF was the highest in control trees in both experimental years. It seems that drip system presented an optimal method for the irrigation of annona.
Co-Authors May Hammoud May Hammoud Saleh Mobarak Alturk Saleh Mobarak Alturki Salim Kattar Youssef Najib Sassine Youssef Najib Sassine