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Canola growers who straight cut or wait for 60 per cent seed colour change on the main stem to swath can potentially maximize both yield and quality. Once canola plants are swathed, the seed does not continue to fill. Seed swathed before accumulating its full complement of oil and protein will not accumulate any more after swathing, resulting in potential yield loss.
How to assess seed colour change.
Sunscald is not a sign of maturity. With all this hot sun, pods may exhibit sunscald discolouration. This can give green pods the appearance of colour change and maturity, but the seeds inside will often still be watery and green. Pod colour is not an indicator of seed colour change.
