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| Young spittlebugs feed by sucking juice from plants. Some of this juice passes through their bodies and oozes as bubbles from openings on their bodies. The bubbles don't burst easily, so they quickly pile up. Sometimes these young spittlebugs are completely covered with bubbles. |  |
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Investigating Growth-Promoting Bacteria in Lodgepole Pine
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Forest productivity and health
It has long been known that the internal tissues of healthy plants can be colonized by micro-organisms. Work with plants indicates that some bacterial strains may act as protectors who help to stimulate host plant growth by acting as biocontrol agents. In contrast to agricultural crop species, almost nothing is known about the protective bacteria of trees. Researchers from the Department of Forest Sciences, University of British Columbia, are examining the effect of these helpful bacteria on tree growth and nutrient-enhancing ability within lodgepole pine. Results from the study will provide understanding of the mutually beneficial ("symbiotic") relationship between trees and bacteria, and help to advise on possible future practical applications in forestry.
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