Tag: "crop" at biology news

Veterinarians, wildlife experts applaud China's ban of wild bird trade

...aintaining ecological balances, including reducing crop pests. "The bottom line is that whenever you bring wild and domestic birds, or other species, from wide ranging locations together, then keep them in cramped, stressful conditions, you will always run the risk of disease outbreaks," said Dr. Willi...

Plant pathologists: Rust disease impacting ornamental plant production

...devastating results on the fast-growing ornamental crop industry, say pathologists with The American Phyto...ve the potential to dramatically affect ornamental crop production," he said. Rust spores can easily lodge in the crown of plants that have had foliage r...

University of Minnesota professors to speak at symposium on international trade

...to pesticides made by GMO crops; the extent of GMO crop plantings worldwide; patenting and labelling issue...researchers to genetically engineer corn and other crop plants. He chaired the 1996-98 White House Commission that developed a national plan for plant genom...

Molecular mechanisms that trigger flowering in spring

...flowers in spring could help increase the yield of crop plants. Around 80 years ago, tobacco plants were s...controls photoperiodic flowering in this important crop species. Therefore the work described by the Cologne group in Science is likely to have broad signif...

Protected wheat varieties

...ng seed and wheat heads pulled from the subsequent crop can be traced to the original parent crop. "You can tell them it's against the law," said Vinson, "and they'll say ?Why, I bought that seed. That's my seed and I'll do what I want with it.' "But they know it's a protected variety. It's on the tag. Th...

Astronomers unravel a mystery of the Dark Ages

...ity, UK, believe they have discovered the cause of crop failures and summer frosts some 1,500 years ago a...s are sparse, but what records there are, tell of crop failures and summer frosts. The work was carried out by two Cardiff undergraduate students, Emma Rig...

Measuring perchlorate levels in lettuce

...rations near or below detection for most vegetable crop species sampled, including most vegetables eaten as roots and fruits. The exception was leafy vegetables, such as lettuce, where the foliage is consumed. However, for iceberg lettuce most of the perchlorate was in the frame and wrapper leaves that ar...

Using a companion crop to control weeds organically

...use winter cereal rye as an inter-seeded companion crop to control weeds, according to research led by a Michigan Agricultural Experiment Station (MAES) crop and soil scientist. Traditionally, organic growers have used only mechanical cultivation to control...

'Grey goo' misconceptions could harm poor in developing world

...ased bone scaffolds; better monitoring of soil and crop toxicity levels through enzyme biosensors; improved water purification technologies; more effective clean-up of large oil spills. Dr Peter Singer, who is a medical ethics expert, said: "While there are legitimate risks that need to be managed, a...

Gulf between rich, poor will grow if high-profile nanotechnology opponents prevail: ethics experts

...ed bone scaffolds; Better monitoring of soil and crop toxicity levels through enzyme biosensors; Improved water purification technologies; More effective clean-up of large oil spills. "While there are legitimate risks that need to be managed, an exclusive focus on the risks will create another divi...

Signal chemical primes plants for pest attack

...t someday reduce the use of pesticides and improve crop quality. Tumlinson chose the corn and beet armyworm system because the Florida facility has raised beet armyworms for a long time, and corn seedlings can be ready for experimentation in a week or two, while other plants take up to a month to be suita...

Simple sugars make cell walls like steel

...hology professor. "These could include controlling crop plant size and shape, improving desirable textural properties of fruits and vegetables, and enhancing nutritional fibers in plant cell walls without changing other plant structural factors." Before these goals can be accomplished, however, the scie...

Winter weather turns on flowering gene

...o new methods for manipulating the productivity of crop plants, as well as a better understanding of how organisms control the fate of their cells. Most people may not know that some of our favorite salad ingredients - carrots, cabbage, radishes, beets and parsley - take two seasons to flower and produ...

Scientists discover way to streamline analysis of maize genome

...or author, says, "Maize is the single largest food crop in the United States, so developing strategies to decode its complex genome is a high priority. More importantly, the techniques that we have developed will be useful in the analysis of many other crops such as soybean whose genomes are also highly r...

Traditional Christmas snack under threat

... Brazil nuts, the only internationally traded seed crop collected from the wild, are traditionally harvested from trees that can reach 50 meters in height and 16.5 meters in circumference at breast height. The scientists surveyed 23 natural Brazil nut tree populations in the Brazilian, Bolivian and Peruv...

Less is more: New technology captures gene-rich DNA segments

...ignificant challenges to researchers interested in crop improvement, plant molecular biology, or genome ev...riculture. Corn is the most important agricultural crop in the U.S. Because the genome structures of wheat, oats, barley, and many other crops are quite sim...

Virginia Tech researcher receives $1.8 million to study Arabidopsis genome

...functions of the plant, leading to improvements in crop yield and nutritional value. Shulaev, along with researchers from the University of Michigan and The Salk Institute for Biological Studies, is working to understand the function of the SABATH faculty of methyltransferase genes in plants. These genes...

EGFR: A molecular lab rat let loose in systems biology

... When EGFR breaks down, cancer and other diseases crop up. EGFR is the veritable lab rat of molecular systems. Going on five decades now, biologists in labs around the world, not unlike motorheads under the hood with carburetors and plugs, have plucked out and examined every conceivable component of th...

Emerging frontiers genomics grant for blue-green bacteria

...the research is to learn about the process so that crop plants could be engineered to domesticate Nostoc, Meeks said. Existing crop plants that fix nitrogen, such as beans, form a relationship with a different bacteria, Rhizobia. Un...

Pest control breakthrough from a spider's stomach

...le, whose prey include slugs the most damaging of crop pests in Europe. "Many people are surprised at how important such natural predators are in the control of pests," said Dr Symondson. "Even on a conventional farm, which uses chemical pesticides, most pests are controlled by predators most of the time...

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