Maize
Food
Macaws bred far from tropics during pre-Columbian times...the industrial age, Somerville says. Ratios of carbon and oxygen isotopes in bones from 30 scarlet macaws excavated in the 1970s at Paquime indicate that the birds mainly ate maize, Somerville says. In their tropical habitat of... In this article: Scarlet Macaw, Maize, Oxygen, Carbon, Mexico, Owners, and Direct evidence |
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Science News Online | November 19, 2009
Corn genome a maze of unusual diversity
...of years of evolution. For instance, the strain B73, the agriculturally important and commonly studied variety decoded by the maize genome project, contains 2.3 billion bases, the chemical units that make up DNA. But the genome of a strain...
In this article: PLoS Genetics, Stanford University, Chimpanzee, Washington University School of Medicine, Iowa State University, Barbara McClintock, and National Science Foundation
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Science Blog - | November 19, 2009
Reference genome of maize, most important US crop, is published by team co-led by CSHL scientists
...era since the plant's domestication, some 10,000 years ago. Maize is known to have evolved from a common grass found in Mexico and Central America called teosinte. It was human intervention -- breeding -- that led to full...
In this article: USDA, Cold Spring Harbor Laboratory, United States, Iowa State University, and Chimpanzee
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CNN | October 20, 2009
Greenpeace protests genetically modified corn in Mexico
...spheres," the article says in its introduction. "In contrast to the United States and Europe, commercial seed sources account for only one-fourth of the maize seed planted in Mexico. Furthermore, Mexican maize is mostly grown by...
In this article: Mexico, Greenpeace, United States, Mexico City, Angel of Independence, Soybean, and Papaya
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Sydney Morning Herald - World | October 29, 2009
Tests on treasured maize ignite fears in Mexico
...have less than five hectares (12.5 acres) of land, according to government figures. As the GM debate rages on, much of Mexico's treasured maize diversity is for now protected in a giant seed bank in central Mexico, which keeps tiny...
In this article: Mexico, Greenpeace, United States, Cattle, Climate change, and International Maize and Wheat Improvement Center
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www.cec.org
Maize and Biodiversity: The Effects of Transgenic Maize in Mexico
... discussion papers examining effects of genetically modified corn on Mexican maize ... CEC to examine genetic diversity of traditional maize varieties in Mexico ...
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www.greenpeace.org
Maize Under Threat
While maize production in Mexico has remained relatively constant at around 18 million tons per ... year Mexico imports over 5 million tons of maize from the ...
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www.scidev.net
Mexico City vows to protect historic maize varieties - SciDev.Net
Mexico City has announced that it will ... Maize is Mexico's staple food. ... The purchase and distribution of transgenic maize in Mexico City is now banned. ...
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write-a-letter.greenpeace.org
GE Free Maize in Mexico
México is the original home of maize (corn) and over thousands of years around ... If Mexico allows GE maize to be cultivated then the natural genetic diversity of ...
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www.ase.tufts.edu
New Policies for Mexican Maize Farmers:
1994, traditional maize farmers in Mexico have faced difficult economic conditions. ... Mexico is the world's center of origin for ... Mexico's maize diversity, ...
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Description from Wikipedia:
Maize (Zea mays L. ssp. mays, pronounced: /ˈmeɪz/; also known in some countries as corn), is a cereal grain domesticated in Mesoamerica and subsequently spread throughout the American continents. After European contact with the Americas in the late 15th and early 16th centuries, maize spread to the rest of the world.
Maize is the most widely grown crop in the Americas (332 million metric tons annually in the United States alone). Hybrid maize, due to its high grain yield as a result of heterosis ("hybrid vigor"), is preferred by farmers over conventional varieties. While some maize varieties grow up to 7 metres (23 ft) tall, most commercially grown maize has been bred for a standardized height of 2.5 metres (8 ft). Sweet corn is usually shorter than field-corn varieties.
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