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Tag: "crops" at biology news

UGA scientists engineer root-knot nematode resistance

...e in root-knot nematodes provides a way to develop crops with broad resistance to this destructive pathogen...rategy for developing root-knot-nematode-resistant crops for which natural resistance genes do not exist." ...

Biotech cotton provides same yield with fewer pesticides

...o killing the target pests, insecticide-containing crops like Bt cotton would also kill beneficial and non-...studied how Arizona farmers actually planted their crops and applied pesticides. The researchers compared the yield and pesticide use for 40 fields of non-...

Bacterial protein shows promise in treating intestinal parasites

... by Bacillus thuringiensis, a bacterium sprayed on crops by organic farmers to reduce insect damage, is hig... kill insects by organic farmers who sprayed their crops with Bt," said Aroian. "Until now, however, no one has used a purified Cry protein to treat a parasi...

Most widely used organic pesticide requires help to kill

...n engineered into numerous crop plants. Transgenic crops using the bacterium's genes are the most prevalent...s could be deployed more effectively in transgenic crops by exploiting the role of insect-borne bacteria that enhance insecticidal activity," the Wisconsin t...

Researchers barcode DNA of Venice museum's vast fungi collection

...also plant pathogens and cause serious diseases of crops and trees, especially when transported to new areas of the world through the global trade of goods and movement of people. In addition, some species of fungi can lead to human illness, including pneumonia, skin infections, allergies and asthma. Ga...

The first tree genome is published: Poplar holds promise as renewable bioenergy resource

...d in their roots and the soil. Moreover, bioenergy crops re-absorb carbon dioxide emitted when biofuels are consumed, creating a cycle that is essentially carbon neutral." Poplar's extraordinarily rapid growth, and its relatively compact genome size of 480 million nucleotide units, 40 times smaller than t...

Plants give up answers in the war on bacteria

... 2000 alone and all but eliminated commercial pear crops in Michigan for that year. He also sees useful human health implications. Understanding that animal pathogens, like dangerous E. coli, cannot easily gain access inside the plant helps scientists know how to best combat bacteria that cause foodborne...

Genome archaeology illuminates the genetic engineering debate

...ess groups have argued that genetic engineering of crops deviates from "natural processes" when biotechnolo...p scientists and farmers improve these significant crops and gain new and important insights in the evolution of the grass species in general," Messing said....

Sequencing of the oyster mushroom genome

...of contaminants ? reasons why, together with other crops such as the yucca or cotton, it has been chosen for genome sequencing by the mentioned North American Genome Institute. The oyster mushroom and CO 2 balance The oyster mushroom is actively involved in the re-circulation of carbon at a global ...

Fight weeds with plant pathogens

... losses), based on the potential value of all U.S. crops of approximately $267 billion/year. Weeds also pose serious ecological problems. Invasive weeds are capable of altering ecosystem processes and displacing native plant and animal species. In addition, weeds serve as reservoirs for plant pathogens tha...

Tearing down the fungal cell wall

...ses black spot disease on most cultivated Brassica crops worldwide, results in considerable leaf loss in many economically important crops including canola, cabbage and broccoli. Sensitivity to spores of Alternaria species is also clinica...

Are genomic technologies the answer to world hunger?

...tential to improve the nutritional content of food crops and, crucially, resistance to insects and disease. This could lead to improved yields of food crops for both human and animal consumption. Researchers are also working on 'molecular farming' ?product...

Plant studies reveal how, where seeds store iron

...of a seed opens the possibility of developing seed crops such as grains and beans with increased content of this important nutrient." The findings reveal how essential it is to look beyond ferritin to understand how iron is stored by plants. The researchers say the stored iron in the vacuole is a key so...

Plant studies reveal how, where seeds store iron

...of a seed opens the possibility of developing seed crops such as grains and beans with increased content of this important nutrient." The findings reveal how essential it is to look beyond ferritin to understand how iron is stored by plants. The researchers say the stored iron in the vacuole is a key so...

With cellulosic ethanol, there is no food vs. fuel debate according to MSU scientist

... ethanol production, the yield of so-called energy crops ?grasses and woody materials grown for their energ...e of land." Dale said that many of these energy crops will be grown on land that isn't prime agricultural acreage. In other words, they'll be grown on mar...

Bumblebee house warming -- it takes a village

...bees are important pollinators of a number of food crops including blueberries, cranberries, huckleberries and greenhouse-grown tomatoes, peppers and eggplants. To study task performance, the researchers glued a numbered plastic tag to the thorax of workers in three colonies. They observed and videotap...

Stopping plants from getting sick

...es and causing the black masses of spores on wheat crops ?as he saw when he was a child. The fungi also sense lipids and phosphorous in the plant, meaning the right kind of fungicide might be developed to target that ability and block infection. "These pathogens provide us with the best of both worlds i...

Cellulosic ethanol: Fuel of the future?

...,'' said Somerville, who advocates growing biofuel crops on land currently used for food production. ''There's a lot of deforestation certainly going to take place in tropical regions, because those countries are going to develop biofuel businesses,'' he said. ''Already in Malaysia, Indonesia, the Phili...

Custom-made cancer cell attacks

...,'' said Somerville, who advocates growing biofuel crops on land currently used for food production. ''There's a lot of deforestation certainly going to take place in tropical regions, because those countries are going to develop biofuel businesses,'' he said. ''Already in Malaysia, Indonesia, the Phili...

New biofuels process promises to meet all US transportation needs

... takes more than 10 times the solar energy to grow crops than it does to produce the equivalent quantity of...al said. "The average energy efficiency of growing crops is typically less than 1 percent, whereas the energy efficiency of photovoltaic cells to split water...

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