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Feed rollers : enemies of insects

Feed rollers : enemies of insects

Skogen 61(2): 47-48, 56

In Swedish experiments on rough- and smooth-barked stems of Scots Pine and Norway Spruce with a Kockum and a Volvo processor, areas of log surfaces that were marked by the teeth of feed rollers were free or nearly so from barkbeetle attacks on sites where manually converted logs and untouched parts of the machine-converted logs were heavily infested. The effect is possibly due to drying-out of the bark between tooth-marks.

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Accession: 000092914

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