Webgermination, the sprouting of a seed, spore, or other reproductive body, usually after a period of dormancy. The absorption of water , the passage of time, chilling , warming, … WebJul 1, 2024 · We investigated the dormancy and germination characteristics of seeds of Sinopodophyllum hexandrum, an endangered medicinal plant of the high altitude Himalaya–Hengduan Mountains in China.The embryo is underdeveloped and germination is cryptogeal. Fresh seeds germinated well (> 70 %) at 20, 25, and 25/15 °C in light but not at …
A Morphological Investigation of the Unusual Cryptogeal Germination …
WebMay 6, 2010 · In contrast to most of the species of the genus Araucaria, which have typical epigeal germination, A. angustifolia, as well as two other species of the same genus ( A. araucana and A. bidwillii ), exhibits cryptogeal germination, a typical germination pattern of large-seeded species in which the plumule is carried below the soil surface before … WebThe morphology of the cryptogeal germination sequence of Araucaria bidwillii (bunya pine) was studied. Individual seeds were 5-6 cm in length and 2.5-3.5 cm in diameter and had an average fresh weight of ca. 16 g. shower 700 x 1200
Evidence for anthropic selection of the Sheanut tree (Vitellaria ...
Web(2) Formulae are provided for the known kinds of dormancy. (3) Seven subclasses of class morphological dormancy are designated: ‘dust seeds’ of mycoheterotrophs, holoparasites and autotrophs; diaspores of palms; and seeds with cryptogeal germination are … WebCryptogeal germination and other seedling adaptations to the burning of vegetation in savanna regions: the origin of the Prophytic habit. New Phtologist 73: 771–780. Google Scholar Kalitz S. 1991. Experimental determination of seed bank age structure in the winter annual Collinsia verna. Ecology 72: 575–585. Google Scholar WebFeb 1, 2024 · The germination morphology of S. hexandrum seeds is cryptogeal ( sensu Jackson, 1968, Jackson, 1974 ). That is, the cotyledonary petioles are fused and form a hollow tube in which the plumule is located at the base. shower 7.5kw