Show horticultural hints INJURY BY SHOT HOLE BORER pet pest Is best kept down by cutting off badly infested branches branched Bran chei and burning them A there are areitio two species of shot hole borer working in the united states one in the east and the other oilier on the pacific coast they both however are vey very much alike they make holes hole in the branches of trees and have the appearance of shot holes in peaches and prunes they will often cause a gumming where these holes are made the holes are the entrances to burrows which the insect makes in the branches ot of trees shot hole borers practically never attack healthy trees they attack a tree which Is w weak eak devitalized or diseased in some way way and their presence la Is always an indication that something la is wrong with mith the hie general health of the tree cutting off the branches which are badly infested and burning them Is one of the ways to keep the pest down the cutting back of numerous ri old branches will mill sometimes bring on a new MV top tcp which la Is vigorous and will not be subject to the attack of the borer wherever this type of brer borer la is abundant the grower should study the vitality of his trees very carefully and see it if he canant inject more vigor into them better cultivation better drainage more moisture and more fertilizer Is the remedy to follow on the pacific coast they sometimes paint infested trees those portions which are infested with the borer with the follow ing solution water three gallons soft soap or liquid fail faili oil soap one gallon crude carbolic acid one halt half pint rut put this only where re the insects are working and at intervals of a week meek three times |