Buscar
Mostrando ítems 1-10 de 2247
Seed germination response to cold stratification period and thermal regime in Phacelia secunda (Hydrophyllaceae): Altitudinal variation in the mediterranean Andes of central Chile
(2000)
The ability to germinate under a variety of environmental conditions is essential for plant species inhabiting a wide range of altitudes and latitudes. Phacelia secunda J. F. Gmel. (Hydrophyllaceae) is a perennial herb ...
The effect of simulated heat-shock and daily temperature fluctuations on seed germination of four species from fire-prone ecosystems
(Soc Botanica Brasil, 2016-07-01)
Seed germination in many species from fire-prone ecosystems may be triggered by heat shock and/or temperature fluctuation, and how species respond to such fire-related cues is important to understand post-fire regeneration ...
Germination traits of the cypselas on the native Hyalis argentea (Asteraceae)
(Nova Science Publishers, 2013)
The germination requirement of native species are key factors in the ecological restoration of degraded ecosystem. A variety of plant seeds are affected by dormancy. Therefore, the knowladge of processes and enviromental ...
Weed seed-germination .3. bidens-pilosa L
(Inst Tecnologia Parana, 1993-06-01)
The germination of seeds of Bidens pilosa L. colected at different places was analyzed by dose-response curves for induction and reversion of germination in seeds pre-incubated at 25 degrees C or 36 degrees C during 24 ...
Phytochrome and temperature control of seed germination in Muntingia calabura L. (Elaeocarpaceae)
(Inst Tecnologia Parana, 2001-01-01)
The temperature range of germination of seeds of Muntingia calabura L. was 15-35 degreesC and the optimum temperature at 35 degrees where more seeds germinated at short period. The fluence response curves demonstrated the ...
Weed seed-germination .3. bidens-pilosa L
(Inst Tecnologia Parana, 1993-06-01)
The germination of seeds of Bidens pilosa L. colected at different places was analyzed by dose-response curves for induction and reversion of germination in seeds pre-incubated at 25 degrees C or 36 degrees C during 24 ...
Study of spore germination in Thelypteris-dentata (forssk) e-st-john
(Inst Tecnologia Parana, 1992-01-01)
The spore germination in Thelypteris dentata was studied and the optimum temperature of 25 C was determined by the maximum percentage germination and the highest germination index. The necessity of continuous white light ...
Study of spore germination in Thelypteris-dentata (forssk) e-st-john
(Inst Tecnologia Parana, 1992-01-01)
The spore germination in Thelypteris dentata was studied and the optimum temperature of 25 C was determined by the maximum percentage germination and the highest germination index. The necessity of continuous white light ...