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News tagged with weeds

Integrated weed management best response to herbicide resistance

Over-reliance on glyphosate-type herbicides for weed control on U.S. farms has created a dramatic increase in the number of genetically-resistant weeds, according to a team of agricultural researchers, who say the solution ...

Biology / Ecology

created Feb 09, 2012 | popularity not rated yet | comments 0

New Delta invader threatens to clog waterways, pumps

WALNUT CREEK, Calif.-An invasive weed just now taking hold in the Delta could clog water delivery pumps and marinas on a scale never seen here before, but state officials say they are nearly hamstrung in trying to deal ...

Biology / Ecology

created Dec 22, 2011 | popularity 4 / 5 (1) | comments 0

Scientists rediscover rarest US bumblebee

A team of scientists from the University of California, Riverside recently rediscovered the rarest species of bumblebee in the United States, last seen in 1956, living in the White Mountains of south-central ...

Biology / Plants & Animals

created Dec 05, 2011 | popularity 5 / 5 (4) | comments 1 | with audio podcast

Biodegradable mulches successfully control weeds in container-grown arborvitae

Traditionally addressed through hand-weeding and/or herbicide application, controlling weeds is one of most costly operations in nursery production. Increased labor costs have made hand-weeding prohibitive as the sole method ...

Biology / Ecology

created Nov 17, 2011 | popularity 3 / 5 (1) | comments 0

Research team unravels tomato pathogen's tricks of the trade

(PhysOrg.com) -- For decades, scientists and farmers have attempted to understand how a bacterial pathogen continues to damage tomatoes despite numerous agricultural attempts to control its spread.

Biology / Biotechnology

created Nov 03, 2011 | popularity not rated yet | comments 0

Which direction are herbicides heading?

2,4-D is coming back. What many might consider a "dinosaur" may be the best solution for growers fighting weed resistance today, said Dean Riechers, University of Illinois associate professor of weed physiology.

Biology / Ecology

created Oct 11, 2011 | popularity 5 / 5 (1) | comments 0

War on willows

Willows are major environmental weeds of riverbank habitats across much of south-eastern Australia. They obstruct water flow, increase water temperature, change water chemistry and can displace native riverine ...

Biology / Ecology

created Jul 29, 2011 | popularity 3 / 5 (2) | comments 0

Beetles play an important role in reducing weeds

Researchers funded by the UK Biotechnology and Biological Sciences Research Council and the French Institut National de la Recherche Agronomique (INRA) have found that ground beetles reduce the amount of weed seeds in the ...

Biology / Ecology

created Jul 25, 2011 | popularity not rated yet | comments 1

The future of cover crops

Winter cover crops are an important component of nutrient cycling, soil cover and organic matter content. Although its benefits are well documented, cover crop use in farming systems is relatively low. Research has shown ...

Biology / Ecology

created Jul 13, 2011 | popularity not rated yet | comments 0

Environs prompt advantageous gene mutations as plants grow; changes passed to progeny

If a person were to climb a towering redwood and take a sample from the top and bottom of the tree, a comparison would show that the DNA are different.

Biology / Cell & Microbiology

created Jul 01, 2011 | popularity not rated yet | comments 0 | with audio podcast

Vehicles aid in weed seed dispersal

Noxious weeds are often found growing along roads and trails and vehicles have long been suspected of picking up weed seeds and dispersing them to new locations. A new Montana State University Extension publication describes ...

Biology / Ecology

created Jun 24, 2011 | popularity not rated yet | comments 0

Scientists learn how horseweed shrugs off herbicide

As everyone knows, the pharmaceutical industry is struggling to deal with bacteria that have become resistant to common antibiotics. Less well known is the similar struggle in agribusiness to deal with weeds ...

Biology / Plants & Animals

created Jun 16, 2011 | popularity 5 / 5 (2) | comments 0 | with audio podcast

Climate change allows invasive weed to outcompete local species

Yellow starthistle already causes millions of dollars in damage to pastures in western states each year, and as climate changes, land managers can expect the problem with that weed and others to escalate.

Biology / Ecology

created May 31, 2011 | popularity 2.8 / 5 (5) | comments 2 | with audio podcast

Researchers begin effort to reduce crop loss from parasitic weed attacking Africa's crops

Scientists based in Nigeria and Kenya have begun a major push against parasitic weeds that have spread across much of sub-Saharan Africa, causing up to US$1.2 billion in damage every year to the maize and cowpea crops of ...

Biology / Other

created May 31, 2011 | popularity not rated yet | comments 0

Plant biology meets up with computational wizardry

Over time, plants have evolved to adapt to a constantly changing, often hostile, environment. Unfortunately, they are facing a new and difficult challenge ahead.

Biology / Biotechnology

created May 31, 2011 | popularity 5 / 5 (1) | comments 0