Dictionary of Plant Breeding & Seed Technology

Dictionary of Plant Breeding & Seed Technology Dictionary of Plant Breeding & Seed Technology Sample PDF Download
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Publisher: Agrotech Publications
ISBN: 9788185680019
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Production of food is a problem of major concern in the world today. The world's food supply, grossly inadequate in many countries today, will need to be increased greatly in the years ahead if the basic nutritional requirements of an explosive world population are to be satisfied. Failing which, the spectre of hunger, malnutrition, and famine, will continue to spread and grow, To increase crop production, four important inputs need major attention water, fertilizer, plant protection,"and crop variety. The first three relate to cultural practices that provide a more desirable environment in which to grow the crop. The fourth-the crop variety-relates to the inherent ability of the plant to produce within the environment provided. More productive plants necessitates improvement in the heredity of a crop which is accomplished by breeding better varieties. Rant breeding is a unique science in at least two ways. First, it uses knowledge and techniques from many basic science areas, and second, its contribution to agricultural progress is measured not only by information, but also by material products such as a crop, varieties, hybrids, clones, etc. The rapid increase in knowledge of genetics since the discovery of Mendal's Laws of heredity in 1900 and the application of these laws to plant breeding were essential steps in the development of plant breeding as a science. The knowledge in these fields has exploded during the last four decades and has proved Immensly useful in ameliorating the miseries of mankind and promises a brighter future. Identification and synthesis of hereditary material, cracking of genetic code, development of high yielding varieties of crop, genetic control of growth, differentiation and phenotypic expansion, understanding the mechanism of organic evolution etc., are some of the examples of our achievements. The knowledge gained so far has opened up the possibility of genetic manipulation at will. The goal in plant breeding is to develop better varieties. Before the potential benefits from an improved variety can be realised the variety must be distributed widely, and sufficient seed or vegetatively propagated material must be produced so that the variety can be grown on the farms in the area in which it is adapted. While the development of the new variety is the primary function of the breeder, the production and distribution of quality seed requires the art of growing, conditioning and marketing. It is however, clear that if the country is to derive benefit from the breakthrough in the genetic engineering of yield, seeds of new varieties and hybrids have to be produced in adequate quantities as well as of high purity and quality. Seed is a basic input in modern agriculture. Without good seed, the investment on fertiliser and water will not pay the dividend which ought to be obtained. Therefore, the pace of progress in the field of food production would largely depend upon the
speed with which we are able to multiply and market seeds of high quality. There is thus an urgent need to understand seed technology involving all aspects of seed production, processing and marketing. Deep within the seed are its own development forces, nutritive elements, and mysterious time and place mechanisms that signal the next growth stage. Without seeds, man could not have developed a stable agriculture. Every seed represents a new beginning. It is beginning, yet a link with the past, a bridge between the old and the new-the dreams and heritage and accomplishments of the past recorded in a tiny capsule of hope for tomorrow. The very act of planting a seed represents hope, and