Tag: "losses" at biology news
Transgenic Rice Plants Resist Insects, Drought And Salt Damage
...the technology, which potentially can reduce crops losses
by billions of dollars each year, will be sold in ... of hungry people need this rice now, and the crop losses
to insects, drought and increasing salinization of soils are devastating." According to Gary Toennie...
Honeybees In The Wild Nearly Gone In North America
...ough not as severely.Estimates of domesticated bee losses
to mites vary from stateto state, he said. "Honeybees are not in danger of extinction. Beekeepers arestill maintaining around 3 million colonies in the United States,"Tew said. "What's much closer to extinction, however, isthe unmanaged population of...
Salvage Gene Is At The Root Of Many Mutations
...de genetic information along a strand of DNA. Such losses
result in genetic gaps known as "abasic"sites. "Formation of these abasic sites," says Hinkle, "is, in fact, one of the most common occurrences in our cells,"taking place every day in about 10,000 to 20,000 of the three trillion DNA bases in ea...
Animal Studies Indicate Aging Brain Responsive To Estrogen
...eve theirfinding offers evidence that minor memory losses
sometimes associated withaging might be alleviated by replacing estrogens. The authors of the study, Phillippa Henderson, Christina Williams and GillianEinstein, prepared their findings for presentation Friday (Nov. 15) at theSociety for Neuroscienc...
No Such Luck: Nitrogen From Air Pollution Unlikely to Moderate Global Warming
... the nitrogen addition gradient, with the greatest losses
occurring at low levels of nitrogen addition -- the 1 to 5 gram range, which is comparable to current atmospheric deposition rates in eastern North America and northern Europe. Most of the lost nitrogen leaked into groundwater as nitrate, a pollutan...
Isle Royale Moose Continue Decline
...- '96," says Barnard, "but no one anticipated that losses
would be this dramatic. After completing field work on the island in March of 1996, biologists estimated that there were 1,000 to 1,200 moose within the park. By then, surviving moose were severely stressed from lack of food, deep snows, and a heavy ...
New Evidence For Corn's Ancestry Could Lead To Insect And Drought Resistant Crops
...t that costs cornfarmers $1 billion a year in crop losses
and pesticide expenses. In preliminary experiments at Duke's Phytotron, a high-tech greenhousewhere she rents space, Eubanks found far less root damage and far fewerlarvae in her experimental hybrids than occurs in normal commercial corn. "We're us...
Fighting Wheat Scab In New York State
...th Dakota and Minnesota -- yield and grain quality losses
amounted to nearly $1 billion in 1993 and ranged f...ce then. In Ohio, Michigan, Indiana and Illinois, losses
from wheat scab exceeded $300 million in 1995 and 1996. Food safety is also an issue with the scab,...
Disease Takes Its Toll On Waterfowl Populations
...migration, Canadian biologists are estimating the losses
at one southern Saskatchewan lake to be as high as... disease, says Dr. Creekmore, and in recent years, losses
in other species, including pelicans, herons, and egrets have been increasing. Dr. Tonie Roc...
Crop Devastation To Be Discussed At National Head Blight Forum
.... Wheatproducers in Illinois and Indiana estimated losses
at about $38million, while Michigan reported losses
of $56 million. "Damage from head scab is multifold," according to RogerJones, plant pathologist, a...
Careful Honeybee Breeding Combats Tracheal Mite Pests
...eybees inthe United States, and they have suffered losses
as well, although not assevere. Estimates of managed bee colony losses
to mites vary from stateto state. In a recent issue of the AmericanBee Journal , Cobey expl...
Good Ergonomics Is Good Economics
...t year following the changes, workers compensation losses
dropped more than 75%, from $400,000 to $94,000. ...tting. A further reduction in workers compensation losses
to $12,000 resulted. In terms of lost work days due to injury, in 1990 there were 298; in both 1993 ...
At Life's Most Sensitive Stage, Embryos Cope With Stress
...y have become extinct, yet no single cause for the losses
hasbeen identified. Kiesecker, a postdoctoral fellow in biodiversity at Yale, andAndrew Blaustein, professor of zoology at Oregon State University, haveidentified some contributing factors that could apply to amphibians in manylocations if their embr...
National Network Provides Update On Devastating Corn Disease
...asible and when combined with crop rotation, yield losses
can bereduced. Conducted by a national network o...al except in highrisk areas with significant yield losses
annually For the complete NCR-25 Report, Gray Leaf Spot of Corn: An Update, visit thehome page of ...
Researchers Identify A Gene That Causes Juvenile Polyposis
..., 75 percent of colon cancer caseshave chromosomal losses
from this region of the genome," Howe says."Understanding this gene may increase our understanding of colorectal cancer ingeneral, and could provide insights into its diagnosis and treatment." It took less than two years for Howe and his colleagues ...
When To Pick A Peck Of Pungent Peppers? When The Peck's At Its Peak
... down, this could be afirst step in reducing these losses
for those cultures where chile peppers areof great importance," Yahia says....
Increasing Frequency Of El Nino Takes Toll On Northern Hemisphere's Only
...d the penguins shown signs of recoveryfrom drastic losses
during the last two decades, she says. That was before thecurrent El Nino. Boersma's most recent analysis of the long-term effects of El Nino on theGalapagos penguin population was published in the May issue of the journalCondor. Additionally, she re...
Peas With Built-In Weevil Resistance
...tion in a storage bin can lead to near-total crop losses
six months later," says Dr Higgins. The CSIRO scientists are working in collaboration with scientists from the University of California and the Purdue University. The research is supported by growers through the Grains Research and Development C...
HIV Infected Adults In UCSF Study Show Evidence Of Thymus Activity
... thymus might be triggered intoaction by the first losses
of T cells. The research findings are reported in the June 1 issue of the Journal ofClinical Investigation, with an accompanying commentary by Anthony Fauci, MD,director of the National Institute of Allergy and Infectious Disease, and hisco-workers. ...
Plant Pathologists Collaborate Worldwide To Combat Sorghum Ergot
...rican Phytopathological Society (APS). "In India, losses
of 10to 80% have been reported in hybrid seed prod...12 to 25% regularly result and, on occasion, total losses
arerealized. This is significant when you consider that sorghum is ranked fifthamong the most impor...
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