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Lethbridge Herald Newspaper Archives

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The Lethbridge Herald (Newspaper) - January 8, 1974, Lethbridge, Alberta 10-THltrrHBHIDCiE HERALD 1. Here are the FACTS The LetKbridge Herald "CHINOOK" Published Every Two Weeks MORE RURAL and Farm Households than ANY OTHER Similar Publication. contains a pleasant Bal- ance of interesting reading for everyone PLUS Informa- tive Advertising Messages. We Invite You to Place Your Advertising Message where It will be sure to reach the greatest number of and urban households. COPIES Delivered to Rural Southern Alberta LARGEST RURAL COVERAGE BY FAR Total Rural and LethbrMge City Circulation Is Copies a Herald Sales Representative Now and Place Your Advertisement in the Next Chinook! The LetHbridge Herald CHINOOK "Serves the South" Research Station report: Winter wheat tests prepared By DR. D. W. A. ROBERTS Plant Pathologist Winter wheat grown on the Canadian prairies may survive satisfactorily through most, but not all, winters. Winterkilling is unpredictable and is one of the major disadvantages of this crop. If varieties hardier than Kharkov 22 MC, Sundance, and Winalta were available, survival would be less of a problem and the region of winter wheat production could be greatly expanded. For these reasons, we are trying to develop hardier varieties at the Lethbridge Research Station. It is frustrating and slow to test breeding material in the field due to the un- predictability of winterkilling. Therefore, we are developing methods of testing for hardiness in the laboratory. The initial step in such a program is to induce the wheat to become cold- resistant by growing it un- der lights at a temperature just above the freezing point. This chilling or cold- hardening process is what occurs naturally in the field during the autumn. After various intervals, the wheat seedlings are transferred to temperatures ranging 15 degrees to minus five degrees for two days to determine their cold resistance. They are then transferred to a warm greenhouse and survival is assessed a month later. Susceptibility of the wheat plants to winterkill is found to vary with the length of the cold- hardening period. Many varieties show their greatest resistance to cold after chilling from seven to 11 weeks. If the plants are chilled for longer periods, their resistance decreases, which may well account for the poor survival of some varieties in the field. If this is true, then the length of the winter may be as important in survival as the severity of the weather. Fortunately, in the field, the plants are generally afforded protec- tion from the extreme cold by an insulating blanket of snow. Until now, we have concentrated en testing the ability of the. plants to withstand a short period at very low temperatures. We will now pay more atten- tion to testing their sur- vival for longer periods at less extreme temperatures. This will take more time but will more closely represent actual field con- ditions. The more accurate determination of cold har- diness in new selections of winter wheat will improve our ability to develop varieties that are better suited to the prairie region. Protein Mps Protein supplements added to livestock feeds may be expensive, but higher returns justify the investment, according to Agriculture Canada researchers. In ex- periments, shorter feeding periods were required for calves to reach market weight when protein supplements were added to their diets. SNOW JOB-CYCLE CONVERSION Fits nearly every motor- cycle 250 cc or larger Goes on (and comes off) in less than four hours Requires no drilling or modification Leans into turns like a motorcycle for unequalled snow sports agility Has an 8 disc brake Has adjustable torsion bar to tune chassis for terrain and motorcycle weight Jumps wheehes and hillclimbs is more fun in the snow than anything (almost) CmipMi with imchNWHts LETHBRIDGE KAWASAKI 13th SI. N. A Hardivilto Road PHONE 327-8117 ;