![]() Plants are produced using material from a single parent and as such, there is no exchange of genetic material, therefore vegetative propagation methods almost always produce plants that are identical to the parent. Humans may utilize these processes as propagation methods, such as tissue culture and grafting. Some of these have been taken advantage of by horticulturists and to multiply or clone plants rapidly. Plants have a number of mechanisms for asexual or vegetative reproduction. ( July 2021) ( Learn how and when to remove this template message) Unsourced material may be challenged and removed. Please help improve this section by adding citations to reliable sources. In certain cases, this is done to prevent the accidental spreading of these plants, for example by birds and other animals.Īsexual propagation Rose cuttings under plastic bottle greenhouse Some plants (like certain plants modified using genetic use restriction technology) may produce seed, but not a fertile seed. Seeds can be difficult to acquire and some plants do not produce seed at all. Some plant species, including many trees, do not produce seeds until they reach maturity, which may take many years. The seeds of many Australian plants and plants from southern Africa and the American west require smoke or fire to germinate. Some species produce seeds that require special conditions to germinate, such as cold treatment. A plant grown from seeds may have different characteristics from its parents. Seeds are typically produced from sexual reproduction within a species because genetic recombination has occurred. Seeds and spores can be used for reproduction (e.g.
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