[PDF] Top 20 Effects of light and temperature on seed germination in Cecropia hololeuca Miq. (Cecropiaceae)

... Seeds of Cecropia hololeuca were obtained from the Paraibúna Station of the Companhia Energética de São Paulo ...(CESP). Germination tests were carried out in 4 Petri-dishes, ... See full document

... Goiás, and Mato Grosso do Sul to Santa Catarina (Lorenzi, ...heliophyte and selective hygrophyte, characteristic of secondary woods. In addition to its value as an ornamental, it is used for ... See full document

... percentage of viable (live) seeds was calculated at 75 days based on the sum of germinated seeds (germination at the initial temperature plus germination at 25 ºC with ... See full document

... high germination independence of light condition, ...a light demanding species, so seedlings that germinated in the field but growth in poor light condition could not ... See full document

... dispersal and a large seed production. The seeds are produced in yellow capsules, measuring 5-7 mm, which burst when ripe, dispersing the many seeds, which are small, and brownish-red when ... See full document

... The effects of maternal habitat on light and temperature requirements during germination were assessed for the succulent desert shrub Anabasis ...habitats of Egypt ... See full document

... differences in the first count and the final germination percentage can be further seenby evaluating the influence of seed weight on germination (Figure ...the ... See full document

... g of grain) was soaked in 100 mL of water for 24h and sterilized twice for 20 min at ...diameter) of a single-spored culture of ...Assessments of pycnidiospore production ... See full document

... the germination of seeds of Stenocereus thurberi was inhibited by full solar radiation and induced by attenuated sun ...effect of full sun light was due to increase in the ... See full document

... performed in a FANEN type germinator model 347-G at the Department of Botany, Biosciences Institute, Botucatu Campus – ...UNESP. Temperature in the germinator was kept constant at 25 o C (Xia ... See full document

... influence of temperature and light on germination of Passiflora incarnata L ...consisted of five temperature conditions (25, 30, 35, 20-30 and 30-20 ... See full document

... replications) in each sample distributed onto germination test paper rolls, imbibed with distilled water to ...(g) of dry paper. Rolls were placed in sealed plastic bags, in order to ... 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 ... See full document

... percentage of germination depends on internal and external factors related to the seeds, but the process will normally be completed if there is no restriction during germination stages ... See full document

... aim of this experiment was to determine whether fresh seeds are ...20uC and 25uC) and three alternating (10/20uC, 15/25uC and 20/30 uC) temperature regimes (12 h/12 ...(hereafter ... See full document

... contributions of Styrax camporum seed morphology (size of seeds, presence or absence of endocarp attached to the seed), different substrates (filter paper, vermiculite, sand and ... See full document

... one of the most studied relations in the investigation of plant defense ...production in proximal cells and isoflavone conjugates in distal cells (Graham and Graham, ... See full document

... For germination experiments, approximately fifty seeds were put on two layers of water imbibed filter paper inside each of four 5 cm diameter Petri dishes were used ...white light ... See full document

... the effects of different light regimes and temperatures on the germination of ...seeds and used a factorial scheme in a completely randomized experimental ... See full document

... grows in the understory of Chaco and Cerrado woodlands. In this study, the effects of temperature, light environment and scarification on seed ... See full document