Tag: "spraying" at biology news
Texas A&M University biologists are developing genetically modified rice resistant to insects and microbes
...te hunger in developing countries. For many years, spraying
insecticides on rice crops has been the best way to protect rice crops from insects. Scientists are now creating new strains of rice plants that would contain insect-killing proteins, so no insecticide would be needed. "We are interested in killing ...
Soybean pest native to China detected in U.S. for first time
...plant diseases, it's too late for growers to begin spraying
insecticides to limit disease transmission by aphids. At this point, any damage has already been done," Grau says. Like the soybean plant itself, the soybean aphid is a native of China. In China the aphid only attacks soybean plants and buckthorn, a ...
Study finds children are exposed to pesticides
...unties in Washington state were exposed during the spraying
season to pesticide levels that exceeded federal safety levels, according to UW researchers. That's even though the children themselves do not work in the fields. These levels were estimated from concentrations of pesticide breakdown products in ur...
Purdue helps Indiana companies with pollution dilemma
... of setting up their work to minimize theamount of spraying
needed for the job. They also learn new approaches tospraying in which the individual droplets of styrene are larger, ultimatelyreducing the overall quantity exposed to the air, and, consequently, decreasingemissions, says Jean Hall, a Purdue enginee...
New "Restaurant" For Bacteria May Improve Pollution Clean-Up
...uresfor someapplications. Today's methods include spraying
bacteria directly oncontaminated sites,removing soil and washing it with large volumes of water, and incineration. Allof thesesystems have major drawbacks. Because the new bioreactor is still in earlylaboratorytesting stages, it is not yet clear wh...
Perfect Powders For Improved Implants
...tural bone. The smaller particles can be used for spraying
as thin filmsor for pressing into intricate components such as the filters used inpacemakers. As the titanium powders are spherical the material is less likelyto pick up too many contaminants in the production process resulting in a highquality end ...
Biotech Foods Ready For Primetime, Experts Say
... tomatoes then have their red color brought out by spraying
them with the plant hormone ethylene, but they still have the lackluster flavor of unripe tomatoes. Flavr-Savr was supposed to change that. Because it had a longer shelf-life, it could ripen on the vine and then be shipped to the supermarkets. "The p...
Killing Fields: A Bacterial Pesticide May Threaten Human Life
... is incredibly important if they're going to start spraying
it in the environment." Martin Scott, med... test the spray. "It seems very premature to start spraying
it around before we know what the risk is going to be," he says. Alison Hamer of the British...
USGS Cautions Proper Use Of Pepper Spray To Avoid Bear Attacks
.... Smith's preliminary study involved spraying
red pepper on gravels alongthe Kulik River in Katmai National Park and then observing brown bear responsesto red pepper residues from a blind. He recorded both normal and abnormal bearbehavior at or near these study sites. In his pilot study, Smith ...