Desiccation sensitivity from different coffee seed phenological stages
نویسندگان
چکیده
منابع مشابه
Inheritance of seed desiccation sensitivity in a coffee interspecific cross: evidence for polygenic determinism.
The genetic determinism of seed desiccation sensitivity was studied using a cross between two coffee species exhibiting a large difference for this trait, Coffea pseudozanguebariae (tolerant) and C. liberica (sensitive). Throughout the whole study, seed desiccation tolerance was quantified both in terms of water content and water activity. Whatever the parameter used, the level of seed desiccat...
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Coffee seed development is accompanied by severe modifications in water soluble proteins, several of these being associated to a specific developmental stage. For this reason, a proteomic approach has been used to describe spatial-temporal proteome modifications in zygotic embryos at different stages of seed development. Embryos from Coffea arabica seeds were harvested in two different developm...
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BACKGROUND AND AIMS Several widespread tree species of temperate forests, such as species of the genus Quercus, produce recalcitrant (desiccation-sensitive) seeds. However, the ecological significance of seed desiccation sensitivity in temperate regions is largely unknown. Do seeds of such species suffer from drying during the period when they remain on the soil, between shedding in autumn and ...
متن کاملCoffee seed physiology
1Embrapa Café/Embrapa Recursos Genéticos e Biotecnologia, CP 02372, 70770-900, Brasília, DF, Brasil; 2Universidade Federal de Lavras, CP 3037, 37200-000, Lavras, MG, Brasil; 3Universidade Católica do Salvador, Av. Prof. Pinto de Aguiar 2589, Pituacu, 41740-090, Salvador, BA, Brasil; 4Institut de Recherche pour le Développement, UR141, 911 Avenue d’Agropolis, BP 64501, Montpellier, France; 5USDA...
متن کاملComparison of essential oil content and constituents in Pycnocycla bashgardiana Mozaffarian during different phenological stages
Backround: The Pycnocycla bashgardiana Mozaffarian is one of the endemic medicinal species in Hormozgan province. Because of the valuable compound myristicin in the organs of this plant, it is used intravenously in the treatment of some diseases. Objective: Evaluation of essential oil content and constituents of aerial parts during different phenological stages including before flowering, flowe...
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ژورنال
عنوان ژورنال: Journal of Seed Science
سال: 2014
ISSN: 2317-1537
DOI: 10.1590/s2317-15372014000100003