Category Archives: Research

Fungus attacks Norway Maple

Researchers have discovered a fungus attacking Norway Maples in the United States.  It causes tar spot disease and appears to be causing a decline in sapling and tree growth. ‘Tar Spot Disease on Norway Maple in North America: Quantifying the … Continue reading

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Posted in Acer platanoides, Research | 1 Comment

Biocontrol for Japanese knotweed

A louse is about to be released as a biocontrol agent for Japanese knotweed, Reynoutria japonica, in the United Kingdom.  The same insect is being tested for possible release in the Pacific Northwest of the United States.   May 13, 2011. … Continue reading

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Posted in Research, Reynoutria japonica (Polygonum cuspidatum) | Comments Off on Biocontrol for Japanese knotweed