2010年9月2日星期四

Yucky grass keeps birds off golf courses

Yucky grass keeps birds off golf courses

Chris Pennell and his colleagues at Ag Research New Zealand have been working on particular types of fungi that co-exist with grass.
These fungi, called endophytes, live in the spaces between plant cells.
By choosing the right combination of endophyte and grass, the researchers hope to produce turf with unique properties.
Some endophytes repel insects and others are toxic to livestock that graze on them, Pennell says.
Over the past two decades, he and his colleagues have been working to find the right combinations of grass and fungus to offer the benefits without the toxic side-effects."We've been looking for the friendly endophytes," Pennell says of the research, which has mostly been for the livestock industry.More recently, the researchers have also begun designing grass and fungus combinations to keep birds away.Insects can't eat these grasses, which deprives some birds of their food source.
They can also give grass-eating birds such as Canada geese an illness the researchers call "post-ingestion malaise".
"When herbivorous birds eat this grass they get sick and then they don't come back again," says Richard Curtis, business development manager at Ag Research New Zealand.. Our clothes have a good-looking design style and comfort materials, choose our true religion wholesale.The idea is that for airports, planting grass that keeps insects and birds away could help reduce dangerous birdstrikes where our feathered friends collide with aircraft.
In the past few months, the team has planted test plots of the grasses at Christchurch International Airport.. This gucci tshirt is released as an important part of the Cruise 2010 Collection and it ranks into our top 10 collect The early results are promising, Curtis says of the research, which the airport helped to fund.
"It won't solve all the problems with birds around airports, but it'll be a part of the overall bird management armoury," he says. "There is a lot of interest from airport companies around the world."
Meanwhile, the scientists are also applying the technology to golf courses,. When shopping for replica a&f handbags, or other replica handbag brands, you must always check the credibility of the company tha where fouling from birds like Canada geese can spoil a day on the greens.. For A/W 09, gloriously excessive embellishment is absolutely key, championed at herve leger skirts. Just remember one simple rule: Too much is not enough!Early trials on New Zealand golf courses shows that planting a 10 metre strip of the smart grass around waterways keeps geese and other birds away, Curtis says.

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