Show P BEETLE CONTROL EXPERIMENT tr V Pf ON FOREST CALLED SUCCESS The treating of Pine beetle-Infested trees on the Ash ley National Forest with ortho- proven Ona A. Past experiments have ed that ortho treatment sat- on which has a thin but the of the chemical on which has a thick was uncertain until recent experiments were Past Insect control in Ponderosa Pine has been mostly confined to decking the infested logs and burning them when were favor- able to klU the in- inside When burning came unsafe during the latter part of June and forepart of a few hundred were limed and treated with a one to six mixture of ortho and fuel A special designed lie was placed on a regular sprinkling can and the top of the tree carefully ed with the prepared A was to turn the tow so all sides could be sprinkled from the top In order to secure better In some instance the bark on the stump and a portion of the butt of lower log was scored with an axe to On August Noel D. in charge of ion of bureau of entomology and plant quarantine from and Everett H. of ber management from the re- forest office at aided by loca b. had I been beetle in various of deve- was found to havo been entirely The new ortho treatment will allow for insect control work to be accomplished during fire ha- periods and the cost will be than the burning The infested treatment may also be and manufactured into lumber and other needed Over 1200 beetle-infested trees were methods on treated by various the Ashley Forest during Since the destruction of Urn- by U comparable to the ortho treatment will provide for expansion and In many Instances make more live control measures with the limited funds states |