Tag: "pest" at biology news
Biotech Creates New Solutions And New Problems
...lic germplasm development, and how the problems of pest
resistance mayaffect the long-term success of larvae-killing transgenic cotton. Genetic materials ranging from DNA sequences to whole plants, as well asessential biotechnology tools and techniques, are being patented by private andpublic rese...
Science-Based Decision Guide May Be Answer To EPA's Controversial Rule
...ic events triggered by incompatibility between the pest
and the plant(i.e., hypersensitive reaction or programmed plant cell death); 4) responsible for pest
defense effects that are widely known and common withinthe plant, animal, and microbial k...
New Phylloxera Strain Poses Threat Primarily To Grape Nurseries
...e of the University of California's experts on the pest
saysthe new type of phylloxera does not pose a maj...relief of the grape growing community, however,the pest
does not appear to have an affinity for vinifera varieties such asmerlot, chardonnay and cabernet sa...
Biologist Wins Simon Fraser University Controversy Prize For 'Silent Spring' Of
...ure Wars, which is aimed at the general public and pest
managementprofessionals, Winston uses case studies... than eradication. He also proposes a new pest
management ethic that favors biologicallybased alternatives - such as pheromones, insect-killing bac...
New Microbial Insecticide As Potent As Bt
...daugmenting the sparse armamentarium of biological pest
control. Writing today (Friday, June 26) in the jo...rn, mostly in the Midwest. As a form of biological pest
control, Bt is the only bacterium from whichwidespread commercial insecticidal applications have bee...
Peas With Built-In Weevil Resistance
... per cent resistant to weevils, the most damaging pest
of Australia's $100 million-a-year pea crop. "Currently, growers spend up to $16 million a year on chemical insecticides to control the pea weevils. In our field trials, we've shown that the genetically modified peas are 99.5 per cent resistant...
Fish Farmers Must Learn Zebra Mussel Prevention From A To Z
...rs would also establish a scouting program for the pest
and decide in advance what to do if they find any." For example, operators may decide to thoroughly filter surface water supplies, steam-clean or ban outside nets, traps and other equipment, and insist on fry and fingerlings from zebra-mussel-free su...
Killing Fields: A Bacterial Pesticide May Threaten Human Life
...deria cepacia, are calling for a ban on its use in pest
control until it is proved safe. Good Bugs of Madison, a spin-off from the University of Wisconsin, hopesthat the bacterium will outcompete fungi that can grow on peas, maize and potatoes, keeping the plants free from infection. But B...
Insect Taste Buds Target Of Control Method
...rolling this insect. Corn rootworm is the primary pest
of corn in the United States. While its larva does most of the damage, this occurs beneath the ground and it is easier to target the adult beetle. "Most pesticides are neurotoxins and must make it past all of the insect's defenses before they ca...
Plants Thrive With Insect-Induced Immune Responses
...f we are going to try to use similar responses for pest
management inagriculture," says Richard Karban, a Davis professor of entomology and anauthority on the interactions between insects and their host plants. The study was conducted using wild radish [Raphanus sativus L. (brassicacea)]as an experimenta...
Corn Rootworm Changing Behavior, Posing New Threat To Crops
...ops this year, scientistssay. As the major insect pest
of corn, rootworms have changed their behavior,laying their eggs in soybean fields instead of corn. The conclusion isthat crop rotation itself has selected for a rootworm strain that circumventscrop rotation. By laying their eggs in soybean fields,...
Termites' Attraction To Small Amounts Of Carbon Dioxide Lures Pests To Their Deaths
...ects asa non-toxic alternative to current forms of pest
control. "When we first initiated the expe...iescommon to Colorado, and R. flavipes, a frequent pest
in the Great Lakes--at oneend of a T-shaped tube. In one arm, researchers pumped in normal air, and ...
'Suicide Response' Gives Colorado State Researchers Important Clues On Preventing Bacterial Invasion In Crops Worldwide
...associate professor ofbioagricultural sciences and pest
management at Colorado State. "Now that weknow thi... of the department of bioagricultural sciences and pest
management;and Nora Lapitan, professor of soil and crop sciences....
New Report Sets Standard To Protect Natural Pest Control
...e to the natural toxin Bt. To protect this natural pest
control, six prominent scientists have developed new strategies that EPA should use as a standard and adopt for this year's growing season. To be released on February 3, Now or Never: Serious New Plans to Save a Natural Pest Control evaluates the cu...
UF Researcher Designs Pill To Control Mosquitoes
... fall short of protecting crops, Borovsky said. "A pest
that doesn't molt but still feeds is still a problem," Borovsky said. "By putting the diet pill into the crop or into the plant, the insect feeds and then dies before it takes its next meal."...
Cut Pesticide Use In Half, Urges SFU Biologist
.... When Winston, a member of SFU's centre for pest
management, began researchingthe book, he expected...re Wars, which is aimed at the general public and pest
managementprofessionals, uses case studies - such as the 1992 gypsy moth spray programin Vancouver a...
DNA Helps Track Origins Of Growing Blight Problem
... Dr. Zamir Punja, director of SFU's centre for pest
management,says he was surprised at the results of his DNA study which also highlightsthe importance of home gardeners routinely getting rid of diseased tomatoplants year-round. Caused by fungus, blight appears as large, brown blotches...
SFU Researcher Fools Forest Pest Into 'Barking Up The Wrong Tree'
... think it's going to be a very important part of a pest
manager's portfolio of weapons."...
Pharmaceuticals Manufactured In Insect Larvae
...s are growing caterpillars -- Trichoplusia ni -- a pest
best known as the cabbage looper, which feeds on cabbage, cotton and crucifers. But the insects are living on the edge. "Patrick [Hughes] is a very observant man and because he's observant, he came up with a brilliant idea -- the HeRD system," Wood...
Enhancin Protein Attacks Insect Immune System
...rse," attacks the pest's intestines, rendering the pest
helpless against a companion virus. "No one has really studied the biochemistry and molecular biology of an insect's peritrophic matrix before," said Robert R. Granados, the Charles E. Palm Distinguished Scientist and virologist at Boyce Thompson Ins...
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