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Factors influencing seed germination in Cerrado grasses
(2016-01-01)
Few studies address the ecology of herbs of Cerrado grasslands, which are ecosystems where the long dry season, high temperatures, insolation, fire and invasive grasses greatly influencing germination and the establishment ...
Longevity and germination of Syagrus romanzoffiana (Arecaceae) seeds and its ecological implications
(Universidad de Costa Rica, 2015)
Biochemical, histochemical and ultrastructural characterization of Centrolobium robustum (Fabaceae) seedsCaracterização bioquímica, histoquímica e ultraestrutura das sementes de Centrolobium robustum (Fabaceae)
(Instituto de San Paulo, 2009-03)
Centrolobium robustum seed coat is made up of an external layer of macrosclereids and an internal layer of osteosclereids, followed by a layer of dead cells. The endosperm is closely united to the seed coat and is made up ...
Seed dormancy of Ochradenus baccatus (Resedaceae), a shrubby species from Arabian desert regions
(Universidad de Costa Rica, 2016)
Vigor tests to evaluate the physiological quality of Sebastiania commersoniana (Baill.) Smith & Downs seeds
(Ipef-inst Pesquisas Estudos Florestais, 2009-03-01)
The objective of this work was to evaluate the efficiency of different vigor tests to assess S. commersoniana seeds physiological quality during storage. Therefore, seeds were stored in cloth bags, plastic bags and glass ...
Deterioration of willow seeds during storage
(Nature Publishing Group, 2018-12)
Willow (Salix spp.) seeds are able to tolerate desiccation, but differ from typical orthodox seeds in that they lose viability in a few days at room temperature, and in that the chloroplasts in embryo tissues do not ...
Storage of Handroanthus umbellatus SEEDSArmazenamento de sementes de ipê-amarelo-do-brejo (Handroanthus umbellatus (sond.) mattos. bignoniaceae)
(2014-07-01)
Seed storage under controlled environmental conditions represents one of the most important lines of research to be applied on short-lived forest species as Handroanthus. The present research aimed to identify the most ...
Oxygen interacts with priming, moisture content and temperature to affect the longevity of lettuce and onion seeds
(CAMBRIDGE UNIV PRESS, 2011)
Lettuce (Lactuca sativa L.) and onion (Allium cepa L.) seeds have relatively short longevity during storage and their germination is sensitive to environmental stress. Seed priming (controlled hydration followed by drying) ...
Qualidade fisiológica de sementes de Sebastiania commersoniana (Baill.) Smith & Downs (branquilho - Euphorbiaceae) durante o armazenamento
(2007-06-01)
This paper aims to evaluate the physiological quality of Sebastiania commersoniana seeds stored in cloth bag, plastic bag and glass container and kept in two conditions: laboratory workbench and cold chamber (4 ± 2°C e 80% ...