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Selecting Wheat Genotypes for Whole Grain Cookies

Increased consumption of whole grain cereal products has many health benefits. Using an experimental whole grain flour-milling system, these researchers with USDA’s Agricultural Research Service and The Ohio State Univ. evaluated soft-wheat winter wheat genotypes in whole-grain flour for use in cookies.

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Stem Rust Resistance Gene Mapped

The causal agent of wheat stem rust, produced large epidemics in North America and other parts of the world in the early 1950s. These epidemics were controlled by the deployment of stem rust resistance genes that have provided adequate resistance for the last several decades. Unfortunately, these genes are no longer effective against a new race of stem rust, Ug99, which was identified in Uganda in 1999.

The identification and mapping of new resistance genes effective against Ug99 is a high priority. Crop scientists have now mapped and characterized the stem rust resistance gene Sr35. This gene is effective against Ug99 and its derivatives, providing a useful tool to fight this new stem rust epidemic.

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Drought-Tolerant Rice in Development

Rice production faces the threat of a growing worldwide water scarcity. Approximately, 75% of the world’s rice is grown in flooded, lowland conditions. Lowland rice crops either rely on irrigation or rain water to provide adequate growing conditions. The food security of millions of people depends on the availability of water. Scientists at the International Rice Research Institute (IRRI) have developed a rice crop that is not only drought tolerant but high yielding despite the lack of water.
 

Soybean Genotype and Environment Interactions with Agronomic Traits

Soybean PodSoybean genotype and environment interact to influences the market value of soybean protein, oil, and fatty acid traits. Researchers from Univ. of Wisconsin evaluated the agronomic trait performance and stability of soybean genotypes in individual environments and across environments; and evaluated the relationship of test environments for selecting superior genotypes within the larger production area of southern Wisconsin.

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CSSA Hosts Annual Meeting

The Crop Science Society of America held its Annual Meeting in Long Beach CA this year and hosted more than 3,500 scientists, professionals, educators, and students from Sunday, Oct. 31 through Wednesday, Nov. 3, 2010. The theme of this year’s meeting was "Green Revolution 2.0: Food + Energy and Environmental Security."

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Annual Meeting: Oct. 31-Nov. 3 in Long Beach, CA

The Crop Science Society of America will host 3,000 scientists, professionals, educators, and students to the 2010 International Annual Meetings, Oct. 31-Nov. 3 in Long Beach, CA.

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Genetic Contribution to Corn Yields in China

Four to five cycles of maize hybrid replacement have occurred in China since the 1970s. Retrospective analyses of genetic yield may provide an understanding of unexploited genetic potential and indicate pathways for future yield improvement.

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Genetic Analysis of Rice Heat Tolerance

Rice occupies 23% of the total area under cereal production in the world and is the staple food for nearly half the world's population. However, given an increasingly uncertain future climate, identifying genotypes that can withstand high temperature should assist breeders in developing better adapted varieties.

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Role of Plant Breeders in Rural Communities

Plant breeders have contributed to the agricultural and economic development of the U.S. By improving the profitability of farming, plant breeders improved the economic condition of farmers and contributed to the growth and structure of rural communities.

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