Test Results Reveal * USDA Loses the Thing' on Grubs A new systemic insecticide for control of cattle grubs, cause of heavy annual losses to livestock producers, has shown promise and versati lity in experimental use by entomologists. The new chemical is an organophosphorus compound known chemically* as (0-(4- tert-butyl- 2 -chlorophenyl) O-methyl methyiphoramidot hioate) It can be adminis tered either orally or as a spray. Used orally, the chemical at the highest test dosages used provided .control am ounting to 94 to 100 per cent. Used as a spray, it provided 99 to 100 per cent control. The chenvcal is not yet avai lable to cattlemen Test results were reported Nov 26, to members of the Entomological Society of Am enca holding their sixth an nual meeting at Salt Lake City, Utah Adolph R Roth and James W. Eddy, entomologists of USDA’S Agricultural Resea rch Service, conducted the EiisFsl ■ ■ 5 Sure Crop Seeds ■ ■ ALFALFAS jj Vernal EePuit Banger Buffalo Grimm CLOVERS ■ Pennscott Renland Penna. grown Mammoth HYBRID CORN ■ DEVELOPED BY ■ PENN STATE EX £ STATION " S _ • Get our pr.ces ■ ■ and save money ■ ■Reist Seed Company* S MOUNT JOY, PA.' ■ S Phone OL 3-3821 g : Seeds : m a 1 WIM THE HEART OF AMT I MAM - LET HIM TELL OF | THE TIME HE WORKED | FOR A DOLLAR A DAY; We believe in hard ; work loi ourscKcs to i make hie casiei for \ou USED - FARMALL A WITH CULTIVATOR Cope & Weaver WILLOW Sf. Ph. Lanr. L* 3-2821 tests at Corvallis, Ore, during 400 to 500 pounds were ing the 1957-58 grub season used in the experiments Discussing findings of the were treated in the fall test, Mr. Both said that one 0 f 1957 anc[ examined for previously tested chemical grubs last February, March, had only proved effective as Apn i and May. The grubs, an oral treatment while an Hyponderma lineatum, no”m other was effective only as a a u y appear largely in March, spray The new chemical, he Those appearing in April sa’d gave excellent results, W ere mainly of the H boris used in either manner. species Experimental treatments, Mr. Roth explained, were most effective when the dos age administered in bolus or capsule forms amounted to 20 or 25 milligrams of the new chemical to each kilogram, (about 2 2 pounds) of body we’ght of the test animals Results were fair, however, when oral dosages of only 4 to 15 milligrams per kilogram of body weight were given. The reasearchers obtained nearly perfect control results when 4 quarts of spray were used per animal, but a 2-qu art application provided ab out 70 to 80 percent control The spray formulation in- eluded a wettable powder Philosophy triumphs easily containing 075 percent act- over past a nd over future, ive material Sprays were ap- , , , . , . . plied under an operating pres evi s Ul presen sure of 250 to 300 pounds umph over philosophy —La Hereford yearlings weigh- Rochefoucauld ORDER NOW AND GET THE BENEFITS OF SPECIAL WINTER DISCOUNT PRICES; Farm Wagons & Generators ;; 3■5- 6 - 7 TON SHORT TURN !: 20%