Influence of flower bud density,flower bud drop and fruit set on apricot productivity |
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| Institution: | 1. College of Pharmacy, Ajou University, Worldcupro 206, Suwon 16499, Republic of Korea;2. Korea Research Institute of Chemical Technology, Daejeon 34114, Republic of Korea;3. Research Institute of Pharmaceutical Sciences and Technology, Ajou University, Suwon 16499, Republic of Korea;1. Laboratório de Genética de Populações e Evolução de Mosquitos Vetores de Malária e Dengue, Coordenação de Biodiversidade, Instituto Nacional de Pesquisas da Amazônia (INPA), Manaus, Amazonas, Brazil;2. Universidade do Estado do Amazonas (UEA), Manaus, Amazonas, Brazil;1. Zhejiang A&F University, State Key Laboratory of Subtropical Silviculture, Hangzhou, China;2. Wageningen Environmental Research, Wageningen University and Research, Wageningen, The Netherlands;3. University of Saskatchewan, Department of Plant Sciences, Saskatoon, Canada;4. Beijing Normal University, College of Water Sciences, Beijing 100875, China;5. These authors contributed equally to this work;1. Institut National Agronomique de Tunisie (INAT), 43 avenue Charles Nicolle, 1082 Tunis, IRESA, Tunisia;2. Institut de l’Olivier (IO), BP 1087, Sfax 3000, Tunisia;3. World Agroforestry Centre (ICRAF), Nairobi 00100, Kenya;4. Center for Development Research (ZEF), University of Bonn, 53113 Bonn, Germany |
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| Abstract: | Flower bud density, flower bud drop and fruit set were studied for nine apricot cultivars in order to understand the influence of these variables on apricot biology and productivity. Cultivars in southern Spain were chosen as representatives of different flowering times and productivity. Results indicate differences among cultivars in the studied parameters. Low flower bud production, high flower bud drop and low fruit set were often recorded in mid- to late flowering cultivars. These traits subsequently led to poor yields. Early blooming varieties, which are frequently good producers, generally showed the highest flower bud density, medium flower bud drop and high percentage of fruit set. The influence of the cultivar was more determinant than the seasonal effect on fruit yield. This information should be useful to breeders for choosing the best parents for productivity. |
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