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Asexual Reproduction In Plants Plant Propagation (Asexual Reproduction One of the most interesting and important areas of horticulture is_________________________. All organisms, including plants, plant propagation. reproduce. Plant propagation is the term used to refer to the reproduction of new plants from seeds or vegetative ________________________ parts of a plant. Asexual Propagation: Asexual propagation is the reproduction of leaves new plants from the _________,_____________, or stems roots _____________ of a parent plant. In this method of plant production no seeds are used – just portions of the parent plant which are placed in soil. Benefits of Asexual Propagation: The discovery of asexual propagators propagation allows ______________ to produce more plants faster, especially in cases when seeds are difficult to germinate or plants produce seeds that are not___________. The plants also are from disease free stock. viable You cannot grantee that seeds are disease free. One of the most important benefits of asexual propagation is that the plants produced are _______________identical to the parent plant; genetically therefore, they have the same traits as the parent plant. This type of plant is known as a___________. In some cases it can also be more economical clone to produce plants asexually rather than by seeds. The two most common and often used unnatural methods of asexual propagation are 1) the use of __________. Cuttings are detached portions of the plant, cuttings such as __________, stems leaf-buds _______________, ________________, or leaves ________________ that form missing parts to grow into roots complete new plants. stem cuttings______________, leaf cuttings Cuttings are classified as__________, root leaf-bud cuttings and _____________ cuttings. And 2)____________. A cut stem of one plant (with good grafting flower or fruit growth) (the graft) is taken and firmly attached to the rootstock of another plant (which has a strong, established root system) (the stock). Types of natural vegetative propagation are tubers, runner, rhizomes and bulbs. Definition SEXUAL REPRODUCTION ASEXUAL REPRODUCTION Involves sex cells and fertilization Does not involve sex cells and fertilization Only one parent plant Offspring are genetically identical to one another Offspring have no variation Advantages/disadvant Offspring are not ages genetically identical to one another There is variation in the offspring Vegetative Propagation Vegetative Propagation Runners • strawberries Bulbs • onions. Vegetative Propagation Tubers • Underground stems that contain stored food. • The eyes of potato can develop into new plants. Rhizomes • Long modified stems that grow horizontally under the ground. • New plants grow off the roots. • Long grasses, ferns, and irises are examples of rhizomes. Vegetative Propagation Cuttings • Pieces of a root or stem that in certain conditions are made into new plants. • Some examples are bananas, roses and sugar cane Grafting • Taking a part of a plant and connecting it to another one. • Combining the two plants. • Some examples are seedless oranges and grapes.