| Show k 0 PEACH TREE BORER DOES 1 I l UCH DAM DAMAGE GE It would be he hard to find a year five old peach tach tree anywhere In Illinois that has u not been Injured by the peach veach peachtree peachtree tree borer according to S. S C. C Chandler Chandler Chand Chand- ler assistant ent entomologist of the natural natural nat nat- ural history survey at the University of Illinois Fortunately this p pest st st. which Is one of the worst Insect enemies ene ene- tales milS of t pouch peach trees can be kept In Incheck incheck check by the use of zene a n new w chemical control for borers bor bar ers The borers always pass the winter winter win win- ter In the Inner bark of pencil peach trees as pole pate white worms from one to one fourth rth to halt half an Inch long king These worms can call be found from ten inches above to six Inches 1 low the ground but butare butare are ore most abundant just below the surface Their presence In a n tree Is Indicated by masses' masses o of gum mixed with aIth brown grass gross or sawdust coming from the Injured trunk Half an ounce of at benzene or I 1 V. V D D. D B. B as It Is commonly common common- ly called coiled Is U enough for tor each tree between between between be be- tween one and three years old Trees from four tour to five years old sh should uld each get three-fourths three of an au ounce and trees from six to ten years old ohl a full ounce Trees that leave have should not I Ibe not nol grown one full tull season be treated at all The Tile amount of p P. P D. D n B n. n to be used for tal a tree should never be guessed but should be me meus- meus s' s out In a measuring cup Before the p P. P D. D B. B Is applied the grass weeds and excess masses of gum should be scraped away from the base of the trees but care should sho be taken not to scrape away so much earth that the chemical will be below below be be- low the burrow entrances of the borers The P. P D D. D n. n should be spread on the ground In n aa band an Inch or two wide and about an ha Inch away from the trunk of the tree at all nil points The chemical should not touch the tree Four Foul or five of earth are put over oer the band of P. P D D. B. B and firmed down with the back of at the spade SNo t S I INo No trees have been killed lu In Illinois Illi nois when the methods just outlined were followed but there have been some losses when the P. P D. D B. B was applied so close close to to the trees that It touched the bark Trees have been killed In other states under different soil soli and weather conditions but five years of experiments made by the natural natural nat nat- ural history survey Indicate that the chemical Is II relatively safe late |
