¹ Compiled by J.F Harrington, Department of Vegetable Crops, University of California, Davis. Soil Temperature Conditions for Vegetable Seed Germination¹ Vegetable Minges, Vegetable Seed Germination, University of California Agricultural Extension Leaflet, unnumbered (1954) Approximate Life Expectancy of Vegetable Seeds Stored Under Favorable Conditions VegetableĪdapted from J.F. In the following section, seed germination and transplanting of seeds will be discussed. When a seed is mature and put in a favorable environment, it will germinate (begin active growth). The seed is made up of three parts: the outer seed coat, which protects the seed the endosperm, which is a food reserve and the embryo, which is the young plant itself. Sexual propagation involves the union of the pollen (male) with the egg (female) to produce a seed. It may be easier and faster in some species it may be the only way to perpetuate some cultivars and it bypasses the juvenile characteristics of certain species. The advantages of sexual propagation are that it may be cheaper and quicker than other methods it may be the only way to obtain new varieties and hybrid vigor in certain species, it is the only viable method for propagation and it is a way to avoid transmission of certain diseases. Asexual propagation involves the vegetative parts of a plant: stems, roots, or leaves. The resulting new plant is genetically identical its parent. Asexual propagation involves taking a part of one parent plant and causing it to regenerate itself into a new plant. Sexual propagation involves the floral parts of a plant. Sexual reproduction is the union of the pollen and egg, drawing from the genes of two parents to create a new, third individual. There are two types of propagation: sexual and asexual. Plant propagation is the process of creating new plants. Sorensen, University of New Hampshire Cooperative Extension, and Kate Garland, University of Maine Cooperative Extension.Īdapted with permission from UNH Cooperative Extension Master Gardener’s Handbook.
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