Average yield loss of canola grown from retained hybrid seed varied from site to site, but ranged from 7 to 17 per cent when compared to the commercial hybrid sowing seed... The research showed a reduction in blackleg resistance in the retained hybrid seed but variable grain yield responses... While grain yield of CB@" Tumby HT was not significantly affected by using retained seed or mixtures compared to the commercial sowing seed, the grain yield of the mixture was similar to that of the commercial hybrid for Pioneer 45Y82, with and without Jockey , and Hyola 50 with Jockey (Table 6)...
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retaining sowing seed
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