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Tag: "crop" at biology news

NASA study: Alaskan fires affected Houston air quality in 2004

...ong children, and it can destroy plants and reduce crop yields. Federal regulators have given the Houston-Galveston region until 2007 to comply with federal air-quality standards for ground-level ozone, under the threat of severe economic sanctions, including loss of federal highway dollars. In the new s...

Wheat gene may boost foods' nutrient content

...plasm -- the source of genetic diversity -- of our crop species." Dubcovsky leads a consortium of 20 public wheat-breeding programs known as the Wheat Coordinated Agricultural Project, which is rapidly introducing GPC-B1 and other valuable genes into U.S. wheat varieties using a rapid-breeding technique...

New biochip helps study living cells, may speed drug development

...ders like epilepsy and help create more productive crop varieties. "Instead of doing one experiment pe... it could be used to screen and identify different crop lines, Porterfield said. "For example, let's say you were interested in developing corn varieties...

Most widely used organic pesticide requires help to kill

... toxic proteins have been engineered into numerous crop plants. Transgenic crops using the bacterium's genes are the most prevalent of any engineered plants, and are planted on millions of acres in the United States alone. Although Bt and the toxic proteins it makes have been studied for decades, how th...

UCSD study reveals how plants respond to elevated carbon dioxide

... to engineer improved water use efficiency in some crop plants or trees that will be exposed to higher carbon dioxide levels in the future." In the paper, the researchers also report the discovery of the first known plant with a genetic mutation that makes it strongly insensitive to increased levels of ...

UGA scientists engineer root-knot nematode resistance

...Sciences. They attack nearly every food and fiber crop grown, about 2,000 plant species in all. The nem... roots to grow large galls, or knots, damaging the crop and reducing its yields. Working with assistant research scientist Guozhong Huang and research tech...

Parasitic plants sniff out hosts

... each year, a 20 percent infestation of the tomato crop reduces yield by 25 percent and causes a loss of 4 million dollars." The researchers used a variety of experiments to determine how newly emerging dodder shoots find a host. The length of time these parasites can live without a host is determined...

Researchers find that bumblebees' flower choice matters

...s, then they could use the information to increase crop yields and to boost conservation of native plant communities. Best bee practices Because there are many bee behaviors, the task isn't simple, but with tedious scrutiny it is documentable. "Bumblebees definitely have distinct foraging patterns...

Iowa State researchers improving plastics made from corn and soy proteins

... said the potential applications for plastics from crop proteins include disposable wraps for hay bales, pots for plants and packaging for the food industry. Grewell, Kessler, Howard Van Auken, a professor of management, and Gowrishankar Srinivasan, a graduate student in industrial and agricultural te...

Ozone recovering, but unlikely to stabilize at pre-1980 levels, says study

... potent growth-promoting properties could increase crop yields or enable growers to make plants more resis...y one day lead to cheap and simple ways to bulk up crop harvests. Likewise, since low brassinolide levels are associated with dwarfism, manipulating hormon...

Salk scientists untangle steroid hormone signaling in plants

... potent growth-promoting properties could increase crop yields or enable growers to make plants more resis...y one day lead to cheap and simple ways to bulk up crop harvests. Likewise, since low brassinolide levels are associated with dwarfism, manipulating hormon...

Tests may help answer questions about GMOs and allergies

...ps the best known case of a genetically engineered crop potentially causing allergies was StarLink corn. Created by Aventis in 1996, StarLink contained the cry9C protein from a common soil bacterium, a strain of Bacillus thuringiensis. The cry9C protein protected the corn from several types of corn borers...

Unique soybean lines hold promise for producing allergy-free soybeans

...owitz, emeritus professor of plant genetics in the crop sciences department at the U. of I. "We are releasing this information with no patents so that companies and breeders involved with soybeans can incorporate these two lines as quickly as possible," Hymowitz said. Companies in Japan, Canada and acros...

No-mow grass may be coming to your yard soon

... enable the development of sturdier, more fruitful crop plants such as rice, wheat, soybeans, and corn. ...implications for everything from urban forestry to crop and garden plant development. Beyond perpetually short grass, trees could be made more compact for b...

More than drought affecting wheat yields

...ear out," he said. An early indication this wheat crop would have more problems than normal was the arriv...of samples as any previous year," he said. Once a crop is diagnosed with one of the viruses, there is little the producer can do, Allen said. Widespread ca...

Potato blight pathogenicity explained by genome plasticity

...ntal for predicting the durability of R genes in crop plants." ...

K-Staters design and build a low-cost remote sensing tool for environmental studies

...ng livestock in the pens at a feedlot; or checking crop fields for problem areas, for example. "We keep thinking of new civilian uses for it," Ham said. He also said it will help his own research, which focuses on measuring the movement of gases between the prairie and the atmosphere. Ham collects data ...

Massive duplication of genes may solve Darwin's 'abominable mystery' about flowering plants

...e artificially selecting for duplication events in crop species by "selecting desirable traits like rapid growth, high yield, and even large stature," says dePamphilis. Detection of still more ancient whole-genome duplications previously has relied on direct observation of genomes that have been complete...

Biologists find regions of rice domestication

...ees of rice varieties and have determined that the crop was domesticated independently at least twice in v...s. "People have moved rice around so much and the crop crosses with its wild ancestors pretty readily, so I was fully prepared to see no domestication sign...

Biofuels researcher searches for new sources

...ed, because even if the entire United States' corn crop was used for ethanol, it would meet only 10 percen...onventional crops and equipment, and can alternate crop production for energy, food or feed," he added. In areas with irrigation and enough heat, a double...

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