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Years of plant breeding give rise to some new varieties or strains of cultivated plants and some "just happen", thanks to the casual visit of some insect pollinator. Or a self-fertilized plant may produce a " sport " or mutation. Many of our older, and some of our best modern varieties, came about by such chance, but the trend today is toward the scientific mating of plants, the creation of superior strains by what might be called "Peace", new rose introduction by Conard-Pyle, was awarded All-America honors for 1946. It is a yellow, many-petalled bloom, suffused with pink. The new, inbred strains of sweet corn and other vegetables are outstanding examples of what is being done by plant breeders of our leading seed firms, and by government and private research organizations. The new and improved varieties have been bred for special purposes. Disease resistance is an important factor. <br />
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In vegetables, earliness, flavor, appearance, shipping and market qualities are also vital considerations. The freezing qualities of vegetables and fruits is another matter that is receiving much attention as deep freezing comes more into the food picture. When a new variety is created it is usually not offered to the public until it has been given a thorough test under varying conditions of soil and climate, and in different sections of the country.</p>
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