plant propagation

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Plant propagation

The deliberate, directed reproduction of plants using plant cells, tissues, or organs. Asexual propagation, also called vegetative propagation, is accomplished by taking cuttings, by grafting or budding, by layering, by division of plants, or by separation of specialized structures such as tubers, rhizomes, or bulbs. This method of propagation is used in agriculture, in scientific research, and in professional and recreational gardening. It has a number of advantages over seed propagation: it retains the genetic constitution of the plant type almost completely; it is faster than seed propagation; it may allow elimination of the nonfruiting, juvenile phase of the plant's life; it preserves unique, especially productive, or esthetically desirable plant forms; and it allows plants with roots well adapted for growth on poor soils to be combined with tops that produce superior fruits, nuts, or other products. See Breeding (plant), Reproduction (plant)

Tissue cultures and protoplast cultures are among the techniques that have been investigated for plant propagation; the success of a specific technique depends on a number of factors. Practical applications of such methods include the clonal propagation of desirable phenotypes and the commercial production of virus-free plants.

Plant tissue cultures are initiated by excising tissue containing nucleated cells and placing it on an enriched sterile culture medium. The response of a plant tissue to a culture medium depends on a number of factors: plant species, source of tissue, chronological age and physiological state of the tissue, ingredients of the culture medium, and physical culturing conditions, such as temperature, photoperiod, and aeration.

Though technically more demanding, successful culture of plant protoplasts involves the same basic principles as plant tissue culture. Empirical methods are used to determine detailed techniques for individual species; such factors as plant species, tissue source, age, culture medium, and physical culture conditions have to be considered. See Plant cell

plant propagation

[′plant ‚präp·ə‚gā·shən]
The deliberate, directed reproduction of plants using seeds or spores (sexual propagation), or using vegetative cells, tissues, or organs (asexual reproduction).
References in periodicals archive ?
8 (BNA): The National Initiative for Agricultural Development (NIAD) has organised a training course entitled " Methods of plant propagation," in cooperation with Agriculture Expert Dr.
Activity 3: Training of ~110 persons (students and teachers) in greenhouse technology management, shade house and hydroponics management, integrated pest management and protective agriculture and plant propagation
The dynamic outdoor learning lab helps teach students about the importance of their environment and sustainability practices, and the teachers will take part in native plant propagation, sustainable farming, and cleaning and improving the lab grounds.
A spokesman for the unit added: "The workshop is a great opportunity to learn a cost-effective way of plant propagation.
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in Springfield; Ted Purdy will cover the basics of annual plant propagation and greenhouse management as well as seeding schedules and best varieties for the local area; free; for more information and registration, call 541-343-2822 or email gardens@foodforlanecounty.
There were also 15 educational exhibits that covered a variety of topics including backyard conservation, water concerns, bees, container gardening, plant propagation, scholarships, and National Garden Club special projects.
The research also emphasises considerations in plant propagation and landscape management.
Backed by a partnership with Hope Seeds, the Agricultural Training Center program not only teaches local Haitian farmers how to grow plants, but will also teach appropriate plant propagation methods, like fruit tree grafting.
This preference for the red and the blue ends of the spectrum is why plant lights that favor the red and blue are used in home plant growing stations and in greenhouse plant propagation and production facilities.
The Grafter's Handbook appears in a revised, updated edition to provide gardeners with a classic reference book on plant propagation by grafting.
NASDAQ: PCO) and Provitro Biosciences LLC reported that Pendrell has acquired a sixty-eight percent stake in Provitro Biosciences, a Washington State-based company that is a world leader in commercial-scale plant propagation methods.