The Influence of the Soil Application of Vermicompost Combined with the Spraying of Chitosan and Glycine Betaine on Fruit Retention and Some Fruit Quality Characteristics of Plum
M., A., Awad, R., El-demerdash, H., Abu Qrain, N., Mosa, W. (2025). The Influence of the Soil Application of Vermicompost Combined with the Spraying of Chitosan and Glycine Betaine on Fruit Retention and Some Fruit Quality Characteristics of Plum. EKB Journal Management System, 16(1), 129-139. doi: 10.21608/eajbsh.2025.433801
Aly M. A. M.; Rehab M. Awad; Hamdy E. El-demerdash; Noura I. M. Abu Qrain; Walid F. A. Mosa. "The Influence of the Soil Application of Vermicompost Combined with the Spraying of Chitosan and Glycine Betaine on Fruit Retention and Some Fruit Quality Characteristics of Plum". EKB Journal Management System, 16, 1, 2025, 129-139. doi: 10.21608/eajbsh.2025.433801
M., A., Awad, R., El-demerdash, H., Abu Qrain, N., Mosa, W. (2025). 'The Influence of the Soil Application of Vermicompost Combined with the Spraying of Chitosan and Glycine Betaine on Fruit Retention and Some Fruit Quality Characteristics of Plum', EKB Journal Management System, 16(1), pp. 129-139. doi: 10.21608/eajbsh.2025.433801
M., A., Awad, R., El-demerdash, H., Abu Qrain, N., Mosa, W. The Influence of the Soil Application of Vermicompost Combined with the Spraying of Chitosan and Glycine Betaine on Fruit Retention and Some Fruit Quality Characteristics of Plum. EKB Journal Management System, 2025; 16(1): 129-139. doi: 10.21608/eajbsh.2025.433801

The Influence of the Soil Application of Vermicompost Combined with the Spraying of Chitosan and Glycine Betaine on Fruit Retention and Some Fruit Quality Characteristics of Plum

Egyptian Academic Journal of Biological Sciences, H. Botany
Volume 16, Issue 1, June 2025, Page 129-139  XML PDF (888.51 K)
Document Type: Original Article
DOI: 10.21608/eajbsh.2025.433801
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Authors
Aly M. A. M.1; Rehab M. Awad1; Hamdy E. El-demerdash2; Noura I. M. Abu Qrain1; Walid F. A. Mosaorcid 1
1Plant Production Department (Horticulture-Pomology), Faculty of Agriculture, Saba Basha, Alexandria University, Alexandria 21531, Egypt.
2Horticulture Research Institute, Agriculture Research Center (ARC), Giza, Egypt.
Abstract
This study was conducted on five-year-old plum trees (Prunus domestica L.), cultivar "Solar", grafted onto "Mariana" rootstock. These trees were planted in sandy soil and irrigated by drip systems at a private farm in El-Nubaria, El-Beheira Governorate, Egypt, during the 2023-2024 seasons. The research aimed to investigate the effects of applying Vermicompost (VC) at rates of 0, 3, and 5 kg to the soil, along with foliar applications of Chitosan (Cs) at 0 and 0.5 g/L, and Glycine Betaine (GB) at 0 and 90 mg/L, 3 kg VC + 0.5 g/L Cs, 3 kg VC +  90 mg/L GB, 5 kg VC + 0.5 g/L Cs, 5 kg VC + 90 mg/L GB, 3 kg VC + 0.5 g/L Cs + 90 mg/L GB, 5 kg VC + 0.5 g/L Cs + 90 mg/L GB, compared to a control group that received only water. Each treatment was replicated five times and arranged in a split-plot design. VC was applied to the soil as the main plot factor in January of each season, while Cs and GB were applied to the foliage at four different stages: pre-flowering, full bloom, fruit set, and 20 days after fruit set.  Results (p < 0.05) showed that the combination of 5 kg of VC with foliar applications of Cs at 0.5 g/L and GB at 90 mg/L was most effective in promoting fruit retention percentages. Additionally, this treatment significantly improved physical attributes like pulp and seed weight.
Keywords
Prunus domestica; nutrition; Fruit quality; vegetative growth
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