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Bacaba produces more fruits than any other palm in central Amazonia, averaging around 2500 per bunch. Bunches usually weigh about 3–4 kg, but can weigh up to 10 kg. The fruit is a drupe weighing up to 3.0 grams. Propagation is by seeds that germinate in 60–120 days, with slow growth.
Studies on tambalacoque seed germination by Hill (1941) and King (1946) found that the seeds germinated without abrading. Temple's hypothesis that the tree required the dodo was contested. Others have suggested that the decline of the tree was exaggerated or that other extinct animals, such as giant tortoises , fruit bats , or the broad-billed ...
The Judean date palm at Ketura, Israel, nicknamed Methuselah. The Judean date palm is a date palm (Phoenix dactylifera) grown in Judea.It is not clear whether there was ever a single distinct Judean cultivar, but dates grown in the region have had distinctive reputations for thousands of years, and the date palm was anciently regarded as a symbol of the region and its fertility.
Cyrtostachys renda, also known by the common names red sealing wax palm and lipstick palm, is a palm that is native to Thailand, Malaysia, Sumatra and Borneo in Indonesia. [9] It is the only species of the genus Cyrtostachys that can be found to the west of the Wallace Line , the faunal boundary separating the biogeographic realms of Asia and ...
It is a measure of germination time course and is usually expressed as a percentage, e.g., an 85% germination rate indicates that about 85 out of 100 seeds will probably germinate under proper conditions over the germination period given. Seed germination rate is determined by the seed genetic composition, morphological features and ...
Seeds of many trees, shrubs and perennials require these conditions before germination will ensue. [3] In the wild, seed dormancy is usually overcome by the seed spending time in the ground through a winter period and having its hard seed coat softened by frost and weathering action. By doing so the seed is undergoing a natural form of "cold ...
Nīkau make an excellent potted plant, and are quite hardy. They tend to be slow-growing. They grow readily from seed if the fruit is soaked in water for a few days and then gently scrubbed to remove the flesh. The seed will then germinate readily if placed in sealed plastic bags in partial shade, after which they can be planted in deep pots.
Scarification is often done mechanically, thermally, and chemically. The seeds of many plant species are often impervious to water and gases, thus preventing or delaying germination. Any process designed to make the testa (seed coat) more permeable to water and gases is known as scarification.