Gene Flow Among Maize Landraces Impoved Maize Varieties And Teosinte PDF Download
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Author | : J. Antonio Serratos |
Publisher | : CIMMYT |
Total Pages | : 137 |
Release | : 1997 |
Genre | : Corn |
ISBN | : 9686923535 |
Download Gene Flow Among Maize Landraces, Impoved Maize Varieties, and Teosinte Book in PDF, ePub and Kindle
Author | : Jaganna Rawat |
Publisher | : |
Total Pages | : 0 |
Release | : 2023-07-24 |
Genre | : Science |
ISBN | : 9789358680560 |
Download Investigating Hybrid Maize-Teosinte Book in PDF, ePub and Kindle
Maize (Zea mays) is one of the most significant cereal crops globally, serving as a staple food source for millions. However, its wild ancestor, teosinte (Zea spp.), remains a vital and intriguing component of maize's evolutionary history. Investigating the hybridization between maize and teosinte has proven crucial for understanding the crop's domestication, genetic diversity, and potential for future agricultural advancements. The domestication of maize from teosinte is considered one of the most pivotal events in human history. Early Mesoamerican farmers selectively bred teosinte, leading to the emergence of maize around 9,000 years ago. This process transformed simple grass into a highly productive cereal crop, fundamentally changing agriculture and food systems worldwide. Studying the genetic relationship between maize and teosinte offers profound insights into their shared ancestry and the genetic basis of their differences. Through modern molecular techniques, researchers have identified regions in their genomes that have undergone significant changes during domestication. Such investigations have facilitated the development of advanced breeding strategies to enhance maize productivity and resilience. Hybridization between maize and teosinte remains a focal point of research in plant biology. Understanding the mechanisms of interspecies gene flow and hybridization can have implications for crop improvement and genetic conservation. Moreover, exploring the ecological interactions between these species' sheds light on the potential for gene exchange, promoting genetic diversity and adaptation. Beyond its historical importance, teosinte continues to contribute to the development of modern maize varieties. Introducing teosinte genes into maize can confer desirable traits, such as disease resistance and drought tolerance. These hybridization efforts open avenues for producing climate-resilient crops, addressing the challenges posed by a changing environment and global food security. Moreover, investigating hybrid maize-teosinte systems can have broader implications for evolutionary biology and conservation. Understanding how these species interact and exchange genetic material informs the study of plant speciation, adaptation, and biodiversity conservation. In conclusion, investigating the hybridization between maize and teosinte is a multidisciplinary endeavor with significant implications for agriculture, genetics, and ecological sciences. The journey from teosinte to modern maize unveils the remarkable story of human ingenuity and the profound impact of domestication on civilization. As we continue to explore this vital connection, we gain insights that empower us to develop sustainable agriculture and ensure food security for future generations. Moreover, the work in this field exemplifies the beauty and complexity of nature's processes and encourages us to preserve and protect the genetic diversity of these invaluable plant species.
Author | : Cosmos Magorokosho |
Publisher | : |
Total Pages | : 194 |
Release | : 2006 |
Genre | : |
ISBN | : 9781109849806 |
Download Genetic Diversity and Performance of Maize Varieties from Zimbabwe, Zambia and Malawi Book in PDF, ePub and Kindle
The results from the six studies confirm the origin of maize in southern Africa and reveals that considerable genetic variation exists in the region which could be used to broaden the sources of diversity for maize improvement under the current agro-ecological conditions in southern Africa.
Author | : Joost van Heerwaarden |
Publisher | : |
Total Pages | : 138 |
Release | : 2007 |
Genre | : |
ISBN | : 9789085048626 |
Download Population Genetics of Traditionally Managed Maize Book in PDF, ePub and Kindle
Author | : Edwin John Wellhausen |
Publisher | : |
Total Pages | : 240 |
Release | : 1952 |
Genre | : Corn |
ISBN | : |
Download Races of Maize in Mexico Book in PDF, ePub and Kindle
History of maize classification. How races used in classification. Geographical distribution. Existing races of maize in Mexico.
Author | : Duccio Bonavia |
Publisher | : Cambridge University Press |
Total Pages | : 605 |
Release | : 2013-05-13 |
Genre | : Social Science |
ISBN | : 1139619942 |
Download Maize Book in PDF, ePub and Kindle
This book examines one of the thorniest problems of ancient American archaeology: the origins and domestication of maize. Using a variety of scientific techniques, Duccio Bonavia explores the development of maize, its adaptation to varying climates and its fundamental role in ancient American cultures. An appendix (by Alexander Grobman) provides the first-ever comprehensive compilation of maize genetic data, correlating this data with the archaeological evidence presented throughout the book. This book provides a unique interpretation of questions of dating and evolution, supported by extensive data, following the spread of maize from South to North America and eventually to Europe and beyond.
Author | : Gary Paul Nabhan |
Publisher | : Island Press |
Total Pages | : 261 |
Release | : 2012-02-13 |
Genre | : Biography & Autobiography |
ISBN | : 1597265179 |
Download Where Our Food Comes From Book in PDF, ePub and Kindle
The future of our food depends on tiny seeds in orchards and fields the world over. In 1943, one of the first to recognize this fact, the great botanist Nikolay Vavilov, lay dying of starvation in a Soviet prison. But in the years before Stalin jailed him as a scapegoat for the country’s famines, Vavilov had traveled over five continents, collecting hundreds of thousands of seeds in an effort to outline the ancient centers of agricultural diversity and guard against widespread hunger. Now, another remarkable scientist—and vivid storyteller—has retraced his footsteps. In Where Our Food Comes From, Gary Paul Nabhan weaves together Vavilov’s extraordinary story with his own expeditions to Earth’s richest agricultural landscapes and the cultures that tend them. Retracing Vavilov’s path from Mexico and the Colombian Amazon to the glaciers of the Pamirs in Tajikistan, he draws a vibrant portrait of changes that have occurred since Vavilov’s time and why they matter. In his travels, Nabhan shows how climate change, free trade policies, genetic engineering, and loss of traditional knowledge are threatening our food supply. Through discussions with local farmers, visits to local outdoor markets, and comparison of his own observations in eleven countries to those recorded in Vavilov’s journals and photos, Nabhan reveals just how much diversity has already been lost. But he also shows what resilient farmers and scientists in many regions are doing to save the remaining living riches of our world. It is a cruel irony that Vavilov, a man who spent his life working to foster nutrition, ultimately died from lack of it. In telling his story, Where Our Food Comes From brings to life the intricate relationships among culture, politics, the land, and the future of the world’s food.
Author | : Peter Pringle |
Publisher | : Simon and Schuster |
Total Pages | : 260 |
Release | : 2010-05-11 |
Genre | : Science |
ISBN | : 1439103844 |
Download Food, Inc. Book in PDF, ePub and Kindle
For most people, the global war over genetically modified foods is a distant and confusing one. The battles are conducted in the mystifying language of genetics. A handful of corporate "life science" giants, such as Monsanto, are pitted against a worldwide network of anticorporate ecowarriors like Greenpeace. And yet the possible benefits of biotech agriculture to our food supply are too vital to be left to either partisan. The companies claim to be leading a new agricultural revolution that will save the world with crops modified to survive frost, drought, pests, and plague. The greens warn that "playing God" with plant genes is dangerous. It could create new allergies, upset ecosystems, destroy biodiversity, and produce uncontrollable mutations. Worst of all, the antibiotech forces say, a single food conglomerate could end up telling us what to eat. In Food, Inc., acclaimed journalist Peter Pringle shows how both sides in this overheated conflict have made false promises, engaged in propaganda science, and indulged in fear-mongering. In this urgent dispatch, he suggests that a fertile partnership between consumers, corporations, scientists, and farmers could still allow the biotech harvest to reach its full potential in helping to overcome the problem of world hunger, providing nutritious food and keeping the environment healthy.
Author | : Richard Peet |
Publisher | : Routledge |
Total Pages | : 459 |
Release | : 2010-12-17 |
Genre | : Health & Fitness |
ISBN | : 1136904336 |
Download Global Political Ecology Book in PDF, ePub and Kindle
The world is caught in the mesh of a series of environmental crises. So far attempts at resolving the deep basis of these have been superficial and disorganized. Global Political Ecology links the political economy of global capitalism with the political ecology of a series of environmental disasters and failed attempts at environmental policies. This critical volume draws together contributions from twenty-five leading intellectuals in the field. It begins with an introductory chapter that introduces the readers to political ecology and summarizes the books main findings. The following seven sections cover topics on the political ecology of war and the disaster state; fuelling capitalism: energy scarcity and abundance; global governance of health, bodies, and genomics; the contradictions of global food; capital’s marginal product: effluents, waste, and garbage; water as a commodity, a human right, and power; the functions and dysfunctions of the global green economy; political ecology of the global climate, and carbon emissions. This book contains accounts of the main currents of thought in each area that bring the topics completely up-to-date. The individual chapters contain a theoretical introduction linking in with the main themes of political ecology, as well as empirical information and case material. Global Political Ecology serves as a valuable reference for students interested in political ecology, environmental justice, and geography.
Author | : Leslie Lipper |
Publisher | : Earthscan |
Total Pages | : 257 |
Release | : 2010 |
Genre | : Business & Economics |
ISBN | : 1844077845 |
Download Seed Trade in Rural Markets Book in PDF, ePub and Kindle
First Published in 2009. Routledge is an imprint of Taylor & Francis, an informa company.