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Pollination of fruit trees is required to produce seeds with surrounding fruit. It is the process of moving pollen from the anther to the stigma , either in the same flower or in another flower. Some tree species, including many fruit trees, do not produce fruit from self-pollination , so pollinizer trees are planted in orchards.
Bears fruit between four and eight years, making a tree of some 10 to 20 ft (3.0 to 6.1 m) in height and spread. Suitable for all forms of pear trees except standards. [8] Pear stock: Very vigorous — Pears grafted onto pear rootstocks make very large trees, not suitable for most gardens.
The seeds of many Australian plants and plants from southern Africa and the American west require smoke or fire to germinate. Some plant species, including many trees, do not produce seeds until they reach maturity, which may take many years. Seeds can be difficult to acquire, and some plants do not produce seed at all.
Ziziphus mauritiana, also known as Indian jujube, [2] Indian plum, [2] Chinese date, [2] Chinee apple, [2] ber [2] and dunks [2] is a tropical fruit tree species belonging to the family Rhamnaceae. It is often confused with the closely related Chinese jujube (Z. jujuba), but whereas Z. jujuba prefers temperate climates, Z. mauritiana is ...
Each small drupe is oblong, compressed and rounded; they contain a milky latex which oozes when the fruit is damaged or cut. [23] The seeds are oblong. Although the flowering is dioecious, the pistillate tree when isolated will still bear large oranges, perfect to the sight but lacking the seeds. [14] The fruit has a cucumber-like flavor. [23]
The hard surface of the seed is less permeable to the penetration of harsh surface sterilizing agents, such as hypochlorite, so the acceptable conditions of sterilization used for seeds can be much more stringent than for vegetative tissues. Tissue-cultured plants are clones. If the original mother plant used to produce the first explants is ...
The wood is used for furniture under the name "hura". In a time when most writing pens left wet ink on the page, the trees' unripe seed capsules were sawn in half to make decorative boxes (also called pounce pots) to hold the "sand" used to dry it, hence the name 'sandbox tree'. It has been documented as a herbal remedy.
The seeds of L. domesticum are polyembryonic, the multiple embryos resulting from apomixis. [18] Lansium domesticum is traditionally reproduced by spreading seedlings, either cultivated or collected from below the tree. [19] It has been said that new seedlings require 20 to 25 years to bear fruit, with the possibility of the quality being inferior.