News tagged with host trees
Bacterial plasmids -- the freeloading and the heavy-lifters -- balance the high price of disease
Studying self-replicating genetic units, called plasmids, found in one of the world's widest-ranging pathogenic soil bacteria -- the crown-gall-disease-causing microorganism Agrobacterium tumefaciens -- Ind ...
Feb 01, 2012 |
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How ants tame the wilderness: Rainforest species use chemicals to identify which plants to prune
Survival in the depths of the tropical rainforest not only depends on a species' ability to defend itself, but can be reliant on the type of cooperation researchers discovered between ants and tropical trees. ...
May 12, 2011 |
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Genome of blue stain fungus evolved to bypass tree defense in mountain pine beetle epidemic
The genome of the fungus that helps mountain pine beetles infect and kill lodgepole pines has been decoded in a University of British Columbia study.
Jan 24, 2011 |
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Scientists study essential oils to attract asian citrus psyllid
(PhysOrg.com) -- Chemicals emitted by citrus plants and their relatives that attract Asian citrus psyllids are being tested by U.S. Department of Agriculture (USDA) scientists and their cooperators, and could ...
Dec 08, 2010 |
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Risk of beetle outbreaks rise, along with temperature, in the warming West
The potential for outbreaks of spruce and mountain pine beetles in western North America's forests is likely to increase significantly in the coming decades, according to a study conducted by USDA Forest Service researchers ...
Sep 08, 2010 |
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'Velcro' effect in Guianese ants
In Guiana, symbiosis between Azteca ants and the Cecropia tree (or trumpet tree) is frequent. However, a surprising discovery has been made: one species of ant (Azteca andreae) uses the "Velcro" principle ...
Jun 28, 2010 |
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World's oldest fig wasp fossil proves that if it works, don't change it
The world's oldest known example of a fig wasp has been found on the Isle of Wight. The fossil wasp is almost identical to the modern species, proving that this tiny but specialised insect has remained virtually ...
Jun 15, 2010 |
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Landscape-scale treatment promising for slowing beetle spread
Mountain pine beetles devastating lodgepole pine stands across the West might best be kept in check with aerial application of flakes containing a natural substance used in herbal teas that the insects release to avoid overcrowding ...
Feb 02, 2009 |
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