[PDF] Top 20 Influence of light and temperature on seed germination of Cereus pernambucensis Lemaire (Cactaceae)

... effect on germination. On the other hand, statistically significant differences were observed in the rate and the synchronization of germination (Table ...in temperature ... See full document

... ABSTRACT: Cereus jamacaru is a widespread Cactaceae of northeast Brazil, largely used as cattle food, and as ornamental and medicinal ...involved on its germination. The ... See full document

... amounts of small and dormant seeds that are able to form a persistent soil seed ...bank. Seed dormancy in this group of species is overcome by environmental conditions found in open ... See full document

... amaranth seed germination for the substrate EA began on the fourth day and for the other substrates it began on the eleventh day, starting to stabilize at 14 days for all substrates, ... See full document

... alteration and consequently the water availability and temperature ...reproduction and establishment of plants. Thus, the seed germination is the first step for plants to ... See full document

... used on forest restoration is Colubrina glandulosa Perkins ...coast of Brazil to Paraguay and ...establishment of other species that require shading areas, thus being important for the ... See full document

... variable germination percentage, regardless of the temperature ...higher germination values for ...for Seed Analysis) (Brasil, 2009), which recommend conducting germination tests ... See full document

... the influence of the factor of seed weight on EPL and EPDM, which showed a significant three-way ...Based on the results previously mentioned and described by the ... See full document

... Seed germination depends on several ...(dependent on the seed itself, such as the creation of own seed, its maturity and vitality) or extrinsic (such as ... See full document

... high temperature for successful germination, but several types of seed treatments can improve low-temperature ...that seed coat plays an important role in the germination ... See full document

... timing of physical dormancy break in seeds of two winter annual species of Geraniaceae by a stepwise ...Annals of Botany, ...nature and management of rehabilitated pastures ... See full document

... rates and H 2 O 2 concentration in seedling tissues ...rate of the lipid bilayer of leaf and root cell ...effect of high concentrations of selenite and selenate also ... See full document

... range of pH to ...reduced seed germination of Medicago arabica, Epilobium hirsutum, Foeniculum vulgare, Daucus carota, Thapsia villosa, Cynosurus cristatus, Dactylis glomerata and Rumex ... See full document

... Lower and higher concentrations than those tested in this work were effective in controlling the growth of different plants and phytopathogens in several ...permeability and the differential ... See full document

... evaluate seed physiology, and they must be conducted under optimum conditions of water supply, oxygen concentration, temperature, and light (BRASIL, ...2009). Germination ... See full document

... effects of drought stress (0, -4, -8, -12 bar) and osmo- priming (-15 bar PEG 6000 for 15 at 24 h) on seed germination, seedling growth and enzyme activity at different ... See full document

... demand on fruits considered “special” has gradually increased over the last few years due to their highly profitable commercialization both on the internal market and for ...fruit of high ... See full document

... volumes of distilled water and substrate temperatures on germination and vigor of melon, cucumber ...Laboratory of Seed Analysis Unimontes in the period february to ... See full document

... expression of genetic potential of yielding and quality of a certain genotype depends among other factors on seed ...quality. Seed is very important not only for the ... See full document

... vermiculite and humus as substrate in the proportion of 1:1 (v / v), kept under greenhouse conditions (50% shading, average temperature of 29,6 °C and relative humidity of 60%) ... See full document