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It is important to include Tuber and Root Crops in the Handbook of Plant Breeding. They include starchy staple crops that are of increasing importance for global food security and relief of poverty, important millennium goals for the United Nations. Indeed, 2008 was the UN International Year of the Potato in recognition of this role of the potato as the world’s third most important food crop after wheat and rice. The other major staples are cassava, sweetpotato and yam. Together they occupy about 50 million hectares, with production at 640 million metric tons, of which 70% is in developing countries. In total there are more than 30 species of Root and Tuber Crops grown in the world today. ...
The knowledge of ecology and epidemiology of rhizomania is particularly useful to understand the means and practices able to limit or avoid its further diffusion. Some promising methods of biological control using coexisting and non-pathogenic organisms could potentially help improve the action of the not completely effective genetic resistances. This integrated protection would be valuable, especially in the even more frequent development of resistance–breaking strains in the BNYVV, where the known types of resistance, alone or in combination, seem to have lost part of their original ability to protect the crop. Therefore, further efforts will be needed to discover new traits likely still...
In 1870 several hundred settlers arrived at a patch of land at the confluence of the South Platte and Cache la Poudre Rivers in Colorado Territory. Their planned agricultural community, which they named Greeley, was centered around small landholdings, shared irrigation, and a variety of market crops. One hundred years later, Greeley was the home of the world's largest concentrated cattle-feeding operation, with the resources of an entire region directed toward manufacturing beef. How did that transformation happen? Cattle Beet Capital is animated by that question. Expanding outward from Greeley to all of northern Colorado, Cattle Beet Capital shows how the beet sugar industry came to dominat...
This volume presents a sophisticated set of archival, forensic, and excavation methods to identify both individuals and group affiliations—cultural, religious, and organizational—in a multiethnic historical cemetery. Based on an extensive excavation project of more than 1,000 nineteenth-century burials in downtown Tucson, Arizona, the team of historians, archaeologists, biological anthropologists, and community researchers created an effective methodology for use at other historical-period sites. Comparisons made with other excavated cemeteries strengthens the power of this toolkit for historical archaeologists and others. The volume also sensitizes archaeologists to the concerns of community and cultural groups to mortuary excavation and outlines procedures for proper consultation with the descendants of the cemetery’s inhabitants. Copublished with SRI Press
Along the undisturbed shores, especially of the Mediterranean Sea and the European North Atlantic Ocean, is a quite widespread plant called Beta maritima by botanists, or more commonly sea beet. Nothing, for the inexperienced observer's eye, distinguishes it from surrounding wild vegetation. Despite its inconspicuous and nearly invisible flowers, the plant has had and will have invaluable economic and scientific importance. Indeed, according to Linnè, it is considered "the progenitor of the beet crops possibly born from Beta maritima in some foreign country". Recent molecular research confirmed this lineage. Selection applied after domestication has created many cultivated types with differ...
The book comes during a time of rapid expansion in molecular technology-based selection approaches that are destined to modify or supplement conventional breeding methodology. The new technologies will allow genetic and physiological factors influencing sugar yield and quality to be assessed in great detail and manipulated. These novel techniques w
Sept.-Oct. issue includes list of theses and dissertations for U.S. and Canadian graduate degrees granted in crop science, soil science, and agronomic science during the previous academic year.