Tag: "herbicide" at biology news

Ants, not evil spirits, create devil's gardens in the Amazon rainforest, study finds

...ified an ant species that produces its own natural herbicide to poison unwanted plants. Stanford University bi...ts of the western Amazon to see how widespread the herbicide phenomenon is. "Megan's work reveals a system that is amazing because the ants exert so much contro...

Animal model of Parkinson's disease reveals striking sensitivity to common environmental toxins

...on's disease, leads to striking sensitivity to the herbicide paraquat and the insecticide rotenone. The two studies were performed with the fruit fly Drosophila, a widely used model organism for studies of human disease, and shed new light on biological connections between inherited and sporadic forms of Parki...

Roundup(r) kills frogs as well as tadpoles, Pitt biologist finds

...discovered that Roundup(r), the most commonly used herbicide in the world, is deadly to tadpoles at lower conce...d for use in water, scientists have found that the herbicide can wind up in small wetlands where tadpoles live due to inadvertent spraying during the application...

Plastic extraction disks make it easier to test levels of atrazine in field crops

...ion and Texas Cooperative Extension. Atrazine is a herbicide used to control broadleaf and grassy weeds. The plastic round disks, known as "Solid Phase Extraction Disks," fit in the palm of your hand and filter water and other chemical compounds. Although the disks have made transit of water samples easier, D...

Rounduphighly lethal to amphibians, finds University of Pittsburgh researcher

PITTSBURGH--The herbicide Roundup is widely used to eradicate weeds. But a s...und that Roundup, the second most commonly applied herbicide in the United States, is "extremely lethal" to amphibians. This field experiment is one of the most ...

Study in Royal Society journal on managing GM crops for environmental benefit

...ical Sciences Management of genetically modified herbicide tolerant sugar beet for spring and autumn environm...hat environmental benefits can be obtained from GM herbicide tolerant (GMHT) sugar beet crops. Previous work, including the government's Farm Scale Evaluation t...

How roots control plant shoots

... treated thale cress plants with tiny amounts of a herbicide named fluridone, which inhibits production of carotenoids. When they used it on mutant plants which otherwise would have stunted leaves the leaves grew pretty much normally. Because fluridone stopped the growth-inhibiting chemical and allowed leave...

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