Hort 306 Term Paper

Hort 306 Term Paper - R ichard Canada Term Paper Grafting G...

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Richard Canada 5-5-10 Term Paper Grafting
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Grafting is a horticulture technique of connecting two pieces of living plant tissues and nurture the plant to grow as one composite plant. In this process we call the upper part the scion, which is of one particular plant. The bottom portion is the root system or the rootstock which is another different plant. These two sections are then basically fused together so they both can benefit and grow to what is desired. Grafting is considered an asexual method of growing, which in grafting means creating a new plant without the use of seeds. This technique is used today to propagate hybrid plants that do not have seeds, or plants that when grown from the beginning by seed do not grow as well. Grafting can also be used to alienate certain properties of one plant and combat against certain ailments that might affect the plant or to use a healthier root system that would help the plant tremendously. Some benefits extracted from this technique include insect resistance, disease resistance, and the tolerance of some inauspicious growing condition. You can also alter the size of a plant by decreasing or increasing growth for certain situations, be utilized to repair damaged plants and restore them to health, or you can even grow your own variety of plant if needed.
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In order to gain the benefits of this technique there first has to be specific conditions met first. The scion and rootstock mentioned before must be compatible with one another, so the plants should be closely related for instance be in the same genus. When attaching the scion to the rootstock they must be in close contact to one another in order to have a secure position for the healing process and fusion. This close contact will also allow the plant to move the water and nutrients from the rootstock to the scion and as well as from the scion to the rootstock. Lastly the two sections should be at the correct physiological state in order for the procedure to work. There are many different types of grafting methods but most carry the same techniques and procedures. One
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technique is called cleft grafting. This form is one of the simplest and most popular forms of grafting. It’s used to propagate different varieties of plants that are difficult to root. Most often this technique is best when performed during the winter and sometimes early spring where the plant is dormant. In order for this to work the rootstock should be 1-4 inches in diameter and the grain should be straight. If using the scion it should be about a quarter of an inch in diameter and the length should be long enough in order to fit at least three buds on it. The rootstock that has been cut to the certain diameter is now cut vertical to spilt the wood. The basal end of the scion will be cut to a V-shape and inserted into the
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Hort 306 Term Paper - R ichard Canada Term Paper Grafting G...

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