TOLL OF RUST ON WHEAT
AEROPLANES USED IN FIGHT ENORMOUS LOSSES RECOUNTED. ACTIVE SPORE AT 10,000 FEET. British Official Wireless. Rugby, Sept. 27. The use of aeroplanes for lighting plant diseases was described at a meeting of the Imperial Mycological Conference in London yesterday. Dr. Gussow, a Canadian delegate, said enormous losses were,caused in the wheat belt of Canada by rust, which took an average toll of £5,000,000 a year, and in 1916, when there was a bad epidemic, it cost the Dominion £50,000,000. Aeroplanes were used for trapping the spores of the fungus on gelatine slides, and mycologists found the spores of rust were coming from the south on the air currents, and their progress could be traced throughout the season. . Dr. Gussow stated that he had trapped fungus spore at a 10,000 feet altitude, and 90 per cent, of these germinated.
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Taranaki Daily News, 30 September 1929, Page 11
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143TOLL OF RUST ON WHEAT Taranaki Daily News, 30 September 1929, Page 11
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