Weed Science Society of America - PRWeb Press Release Group http://www.rsspad.com/rss2/54944.xml Weed Science Society of America - Powered by PRWeb and RSSPad en xml@emediawire.com xml@emediawire.com 30 Giant Cousin of the Carrot Plagues Backyard Gardeners with Blisters and Burns http://www.prweb.com/releases/2008/05/prweb909544.htm Well-known garden plants such as carrots, parsnip and dill have cousins with some nasty characteristics. Two stellar examples are giant and common hogweed. Introduced in the U.S. a century ago as showy ornamentals, they can pack a painful punch. Both produce a watery sap that can cause a gardener's skin to blister and burn when exposed to sunlight. (PRWeb May 5, 2008)

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]]> Mon, 05 May 2008 07:00:00 GMThttp://www.prweb.com/releases/2008/05/prweb909544.htm Beetles Help Take a Bite Out of One of the World's Most Aggressive Weeds http://www.prweb.com/releases/2008/04/prweb875344.htm Over the past decade, weed scientists have used beetles to take a major bite out of purple loosestrife -- an especially aggressive weed that clogs wetlands and waterways. They've bred and released two types of beetles that love to munch on purple loosestrife foliage. With their leaves stripped by the beetles, the weeds produce fewer flowers and seeds and infestations are down significantly. (PRWeb Apr 21, 2008)

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]]> Mon, 21 Apr 2008 07:00:00 GMThttp://www.prweb.com/releases/2008/04/prweb875344.htm Climate Change May Be Fueling A New Generation Of More Aggressive Weeds http://www.prweb.com/releases/2008/03/prweb798224.htm Research shows that global warming may be fueling a new generation of more aggressive weeds that compete with crops and are more difficult and costly to control. Already backyards across America are seeing bigger poison ivy plants with a more virulent form of the oil that causes an itchy rash. And studies show that a doubling of carbon dioxide can lead to a quadrupling of the pollen produced by ragweed -- bad news for hay fever sufferers. (PRWeb Mar 25, 2008)

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