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Care Propagation Asexual propagation is used when it is desired to produce a new plant which is a genetic reproduction (clone) of a certain individual plant. In this case, the new plant carries forward the same name as the original plant from which the propagation material (scion) was obtained. Sexual propagation creates seeds from cross-fertilization - the seed carries the genes of two parents. In the wild, this genetic diversity is important to the survival of the species. In cultivation, fertilization can be used to create seedlings of species or to develop new hybrids - some of which may be an improvement over previous clones or at least have new, appealing characteristics. In the reproduction of species, it is important to ensure that both parents are of the same species. Otherwise, the offspring will be hybrid and cannot carry the name of the parent plants. In any sexual reproduction it is necessary that the fertilization be performed in a controlled environment so that the cross-fertilization does not become contaminated by pollen from a third party. In hybridization, each offspring produced from seed is a unique plant and does not carry forward the name of either of its parents. Hybridizers are always looking for new, improved clones. Some of these new clones, which have horticultural merit, are given cultivar names and introduced into the nursery trade via mass asexual propagation. |
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