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× Honighäuschen (Bonn) - This book is about the contribution to evolutionary theory and agricultural technology of one of humankind's most dramatic imitations of the evolu tionary process, namely crop domestication, as exemplified by the progenitor of wheat, Triticum dicoccoides. This species is a major model organism and it has been studied at the Institute of Evolution, University of Haifa, since 1979. The domestication by humans of wild plants to cultivated ones during the last ten millennia is one of the best demonstrations of evolution. It is a process that has been condensed in time and advanced by artificial rather than natural selection. Plant and animal domestication revolutionized human cultural evolution and is the major factor underlying human civilization. A post-Pleistocene global rise in temperature following the ice age, i.e., climatic-environmental factors, may have induced the expansion of econom ically important thermophilous plants and in turn promoted complex forag ing and plant cultivation. The shift from foraging to steady production led to an incipient agriculture varying in time in various part of the world. In the Levant, agriculture developed out of an intensive specialized exploitation of plants and animals. Natufian sedentism, followed by rapid population growth and resource stress, induced by the expanding desert, coupled with available grinding technology, may have triggered plant domestication. Evolution of Wild Emmer and Wheat Improvement 235,39 
235,39 
× Honighäuschen (Bonn) - Zum ersten Mal macht die kleine Spinne Widerlich Ferien auf dem Bauernhof - zusammen mit Mama und Papa. Da werden Gummistiefel eingepackt, die Freunde wünschen eine gute Reise, und Oma Erna backt zur Stärkung noch rasch einen Streuselkuchen. Dann geht es los! Die kleine Spinne kann es kaum erwarten: Welche Tiere wird sie dort wohl treffen? Die kleine Spinne Widerlich - Ferien auf dem Bauernhof Pappbilderbuch: Band 3 9,90 
9,90 
× Winterzauber Apfel & Zimt 0.75 9%vol | Met und Honigwein aus dem Honighäuschen Winterzauber Apfel & Zimt 0.75 9%vol 12,49 
12,49 
× Honighäuschen (Bonn) - The production of doubled haploids has become a necessary tool in advanced plant breeding institutes and commercial companies for breeding many crop species. However, the development of new, more efficient and cheaper large scale production protocols has meant that doubled haploids are also recently being applied in less advanced breeding programmes. This Manual was prepared to stimulate the wider use of this technology for speeding and opening up new breeding possibilities for many crops including some woody tree species. Since the construction of genetic maps using molecular markers requires the development of segregating doubled haploid populations in numerous crop species, we hope that this Manual will also help molecular biologists in establishing such mapping populations. For many years, both the Food and Agriculture Organization of the United Nations (FAO) and the International Atomic Energy Agency (IAEA) have supported and coordinated research that focuses on development of more efficient doubled haploid production methods and their applications in breeding of new varieties and basic research through their Plant Breeding and Genetics Section of the Joint F AO/IAEA Division of Nuclear Techniques in Food and Agriculture. The first F AO/IAEA scientific network (Coordinated Research Programme - CRP) dealing with doubled haploids was initiated by the Plant Breeding and Genetics Section in 1986. Doubled Haploid Production in Crop Plants 246,09 
246,09 
× Großer Reiseatlas mit Cityplänen Großer Reiseatlas Australien 14,95 
14,95 

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