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Tag: "cotton" at biology news

New study finds genetically engineered crops could play a role in sustainable agriculture

...experiments all over the world, involving corn and cotton plants with a Bt gene inserted for its insecticidal properties. The research was conducted by scientists at the National Center for Ecological Analysis and Synthesis (NCEAS) at the University of California, Santa Barbara, The Nature Conservancy, and...

Warning from Asian bees

...etable crops, including melons, pumpkins, and even cotton are more productive with their help. “And almond crops rely entirely on honeybees for pollination and Australia’s young almond industry is booming right now in the tri-State region.” Since varroa mite and other bee diseases hit America and wipe...

Scientists seek useful traits in wild cottons

...tension at Lubbock are studying the family tree of cotton for much the same reason. "Cotton genetic...hn Gannaway, Texas Agricultural Experiment Station cotton breeder. "Many of today's successful commercial varieties share common parents and grandparents. ...

New technologies coming too fast for Indian farmers

...ary 2007 issue of Current Anthropology, focuses on cotton production in the Warangal District of Andhra Prad...ling." "The bottom line is that the spread of Bt cotton doesn't so much reflect that it works for the farmers or that the farmers have tested it and found i...

Biotech cotton provides same yield with fewer pesticides

...in insect biodiversity when they plant the biotech cotton known as Bt cotton, according to new research. Th... study that simultaneously examined how growing Bt cotton affects yield, pesticide use and biodiversity. It's good news for the environment. "What we see is ...

Bt cotton in China fails to reap profit after seven years

Although Chinese cotton growers were among the first farmers worldwide to plant genetically modified (GM) cotton to resist bollworms, the substantial profits they have reaped for several years by saving on pestici...

New possibilities to fight pests with biological means

...pests, such as a caterpillar known as the Egyptian cotton leaf worm. Parasitic wasps use these plant scents...ars of the species Spodoptera littoralis (Egyptian cotton leaf worm) and parasitic wasps of the species Cotesia marginiventris. Deciphering the complex mix of...

New DNA 'fingerprinting' technique separates hemp from marijuana

...e of durable fiber that provides an alternative to cotton fabric, among other uses. Cotton requires pesticide application and a hot climate, whereas hemp does not, which makes it suitable for local Minnesota agriculture. Weiblen seeks to screen a wider range of Cannabis cultivars to refine the technique. He...

War on terror meets war on cancer

...er analyzed counterfeit U.S. $100 bills and showed cotton in the counterfeits had different oxygen isotope ratios than Texas-grown cotton in legitimate bills. Early counterfeits had cotton that isotope analysis indicated was grown in a we...

Biotech cotton 8: Bugs 0

Biotech cotton has beaten back pink bollworm eight years running,...environment. Arizona farmers who plant the biotech cotton known as Bt cotton use substantially less chemical insecticides than in the past. Insect pests some...

Corn grain mould used as pesticide

...ccess was overwhelming: aflatoxin infection of the cotton cobs dropped from an average of 1,000 ppb (parts per billion) to below 20 ppb, thereby lying within the US safety limit for animal food ?cotton seeds serve as food e.g. for dairy cattle. Two years ago the 'good' mould was permitted in the US as an o...

Genetically modified maize not found in southern Mexico

...lowed to grow genetically engineered crops such as cotton and soybeans. Over the two-year study, the researchers gathered more than 153,000 seeds from 870 maize plants in 125 fields in Oaxaca . They sent these seeds to two commercial companies in the United States that can test for very low concentrations ...

Insects develop resistance to engineered crops

...ene Bt plants in a way that could not be done with cotton or maize, although their results are relevant to t...he future. In Australia, the use of single-gene Bt cotton was discontinued two years after farmers began planting dual-gene cotton in 2002. In the United Stat...

Genome study of beneficial microbe may help boost plant health

..., who showed that the microbe suppressed two major cotton diseases. Since then, plant pathologists around the world have used this strain as a laboratory model to study beneficial microbes. Paulsen says the P. fluorescens project also pioneered a new methodology. This novel approach relies on the analysis ...

Stealth Worms May Improve Insect Pest Control

...ther crops, rather than on high-acreage crops like cotton and soybeans. "The beauty of this is that in the last 20 years nematodes have been formulated and commercialized," Stock says. "They are more expensive than a chemical product, but so far they have been demonstrated not to harm humans, livestock, be...

South America's vast pantanal wetland may become next everglades, UNU experts warn

...on of industrialized soybean, corn, sugar cane and cotton monoculture transformed millions of square kilometers of savannah, into open fields. Riparian forests along rivers have been cut down or degraded which has led to increased erosion and sedimentation, and disruption of the local hydrologic pattern. Th...

Spider Venom Could Yield Eco-Friendly Insecticides

...ct like a magic insecticide bullet, targeting only cotton bollworms, for example, and leaving bees and other beneficial insects unharmed. Unlike some conventional insecticides, the toxins used in the engineered virus would not end up in the food supply. Recent laboratory research on cockroaches and tobacco...

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