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Lethbridge Herald Newspaper Archives

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Lethbridge Herald, The (Newspaper) - August 6, 1974, Lethbridge, Alberta Tuesday, August 6, 1974 THE LETHBRIDGE HERALD 7 Ric Swihart Lethbridge scientists testing insect brew SPIRI r OF 1 LONDON THE BRITISH CRUISE LINE ToMEXICO Departing Vancouver: B.C. Oct. 15 1974 Fun Thats what The Yacht to Mexico is all about Shes a ship with everything to make a great vaca- tion A pool Sun and sport decks Movies Shows Restaurants Bars Nightclubs Includes stopovers in San Francisco, Puerto Vallarta Manzanillo, Acapulco and Mazatlan Return trip from San Francisco to Vancouver by Air included For further information and reservations conlac! A.M.A. TRAVEL 608 5th Ave. South, Lethbridge Phone 328-1181 or 328-7921 Oflice Open Monday thru Friday 8 30 a m to 5 p m Saturday 8 30 a m to 12 30 p m Ample i-fee customer Parking PURPLE SPRINGS Improved grasshopper control in 1975 is the object of a joint federal- provincial research project just completed near here. Bill Charnetski, en- tomologist with the federal Lethbridge Research Station, said six different insecticides were tested on 140 different plots of land. Both aerial and ground application of the insec- ticides were tested and compared. The 10-day test was also designed to test the effec- tiveness of the various insecticides on cropland and headlands (the area between fields and Dr Charnetski said some of the research data, which should be available in about one month, may allow establishment of a management program that will let farmers control the grasshoppers in the breeding areas in the headlands The insecticides chosen for the tests were ones already recommended for grasshopper control or ones research scientist Stu McDonald of Lethbridge has selected for testing un- der field conditions The program started with plot selection. Employees of the research station found heavily infested fields and set up plots 300 feet by 100 feet for aerial spraying and plots 100 feet by 60 feet for ground spraying. The aerial spray work was done for the govern- DAVIS ENTERPRISES (ALBERTA) We Pay the Highest Prices tor RADIATORS-OOPPER-BRASS-ETC. ALBERTA STEEL PRODUCTS Division of Davis Industries Ltd. Dealers in New Structural Steel, Angles, and Pipes (Wholesale Prices) Both Businesses Located at 1505 2nd Ave. S., Lethbridge 327-4035 or 327-6261 ment officials by Scott Kin- mburgh of Purple Springs. Ground spraying was done by Canada department of agriculture entomologists using precision spraying equipment. All the spray was applied to all plots within four hours in a single day To relate the effec- tiveness of the insec- ticides, prior to spraying, officials toured the plots and made 30 sweeps with standard insect nets. Dr Charnetski said this allows researchers to determine the population of insects within the test areas. It is the standard population indicator. This step was also need- ed because researchers had to know the various species of grasshoppers in the area and what stages of development they were at. Different species of grasshoppers and grasshoppers at different stages of growth react differently to various insecticides. "This gives us an idea of what we are said Dr. Charnetski. "Then we can relate the effec- tiveness of various insec- ticides more accurately." Following the insecticide application, sweeps using the same nets were taken after 24, 48 and 72 hours. Dr. Charnetski said this allows researchers to determine the change in the grasshopper population for insecticides which might take longer to take effect He said an example of this factor is the insec- ticide Monitor which causes the grasshoppers to stop eating as soon as they come in contact. But it takes three days for the insecticide to kill the hoppers Dimethoate. the main insecticide recommended for use by the provincial government, takes up to 72 hours to kill the grasshopper but during this time, some of the hoppers continue to eat the crops. Joining the fight pilot Scott Kmniburgh ATTENTION! FARMERS, RANCHERS OIL FIELD CONTRACTORS For dirt work and Brush clearing we have two D7 CATERPILLARS with Dozers Scrapers HOURLY RATES OR CONTRACT Box 952 BILL PETERSON 235-3504 CLARESHOLM DON GREEN 235-3193 WOLFF AND SON IMPLEMENTS LIMITED P.O. Box 760 Phone 653-3252 CARDSTON, Alta. P.O. Box 1148 phone 234-4353 FT. MACLEOD, Alta. SUMMER SALE DAYS USED SWATHERS AND COMBINES 16' S.P.SWATHER S235O No. 103 15'S.P. SWATHERS S65O and Up No. 103 20' S.P. SWATHER No. 10 18' P.T. SWATHER S9OO No. 10 15'P.T. SWATHER S775 12' P.T. SWATHER S595 S.P. COMBINE No. 80 MASSEY COMBINE Pickup Table S1675 90 MASSEY COMBINE Pickup Table No. 92 MASSEY COMBINE Pickup Table S2500 P.T. COMBINE 65 John Deere P.T. COMBINE S1595 USED HAYING 14T JOHN DEERE BALERS 8750 530 FORD BALER Ml 50 NEW MACHINES 615 Ford 16' S.P. SWATHER 10 Versatile 15' P.T.O. SWATHER 7" GRAIN AUGERS Buster 1600ASTACKEZE FOX FORAGE HARVESTER "55 YEARS WITH FARM IMPLEMENTS ;