zaara, N., Kartas, A., Rkhaila, A., DAHMANI, J., OUAZZANI TOUHAMI, A., Gaboun, F., SELLAL, Z., msairi, S., Skalli, S., DOUIRA, A. (2025). Study of the floral biology of olive tree (Olea Europaea L.) of the Moroccan Picholine variety grown in the northern and central regions of Morocco. Egyptian Journal of Botany, 65(3), 131-144. doi: 10.21608/ejbo.2025.328727.3037
nabil zaara; Abdelouahed Kartas; amine Rkhaila; Jamila DAHMANI; AMINA OUAZZANI TOUHAMI; Fatima Gaboun; ZINEB SELLAL; soukaina msairi; Souad Skalli; Allal DOUIRA. "Study of the floral biology of olive tree (Olea Europaea L.) of the Moroccan Picholine variety grown in the northern and central regions of Morocco". Egyptian Journal of Botany, 65, 3, 2025, 131-144. doi: 10.21608/ejbo.2025.328727.3037
zaara, N., Kartas, A., Rkhaila, A., DAHMANI, J., OUAZZANI TOUHAMI, A., Gaboun, F., SELLAL, Z., msairi, S., Skalli, S., DOUIRA, A. (2025). 'Study of the floral biology of olive tree (Olea Europaea L.) of the Moroccan Picholine variety grown in the northern and central regions of Morocco', Egyptian Journal of Botany, 65(3), pp. 131-144. doi: 10.21608/ejbo.2025.328727.3037
zaara, N., Kartas, A., Rkhaila, A., DAHMANI, J., OUAZZANI TOUHAMI, A., Gaboun, F., SELLAL, Z., msairi, S., Skalli, S., DOUIRA, A. Study of the floral biology of olive tree (Olea Europaea L.) of the Moroccan Picholine variety grown in the northern and central regions of Morocco. Egyptian Journal of Botany, 2025; 65(3): 131-144. doi: 10.21608/ejbo.2025.328727.3037
Study of the floral biology of olive tree (Olea Europaea L.) of the Moroccan Picholine variety grown in the northern and central regions of Morocco
1Laboratory of Plant, Animal and Agro-industry Productions, Faculty of Sciences, Ibn Tofail University, Kenitra - Morocco
2Ibn TofailUniversity, Faculty of Sciences, Plant, Animal and Agro-industry Production Laboratory, BP 133, Kénitra, Morocco.
3Laboratory of Plant, Animal and Agro-Industry Productions, Department of Biology, Faculty of Sciences, Ibn Tofaïl University, Kenitra, Morocco
4Biotechnology Unit, Regional Center of Agricultural Research of Rabat, National Institute of Agricultural Research (INRA), Rabat, Morocco;
5National Agency of Medicinal and Aromatic Plants
6Mohammed V University in Rabat, Faculty of Sciences, Plant and Microbial Biotechnologies, Biodiversity, and Environment Center
Abstract
Moroccan Picholine, a dominant variety in Morocco's olive sector, requires a detailed understanding of its growth patterns for optimal production. To this end, a phenological study was conducted at six stations during the 2023/2024 agricultural campaign: Tetouan, Chaouen, Ouazzane, Settat, Kelaa of Sraghna, and Marrakech. At each station, five trees were sampled, and 40 inflorescences (clusters) were collected per tree. Eight quantitative traits were analyzed: average cluster length (ACL), total number of flowers per cluster (TNF/C), flower abortion rate (AR), number of perfect flowers (PF), flowering rate (FR), fruit set rate (FSR), fructification rate (Fr), and flowering period (FP). The results revealed significant variability in the growth behavior of Moroccan Picholine across the different stations. Trees cultivated under irrigated conditions exhibited higher values for AR, PF, FSR, Fr, and flowering period compared to those grown under rain-fed conditions. For ACL, TNF/C, and FR, however, the stations displayed more similarity, likely influenced by genetic factors and environmental conditions, particularly climate. The olive-growing system also plays a crucial role in shaping the phenological behavior of this variety.
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