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First-ever sclerotinia-tolerant OSR could help cut costs

First-ever sclerotinia-tolerant OSR could help cut costs >More in © Tim Scrivener Oilseed rape growers may be able to save money and miss out on a fungicide flowering spray by drilling the first ever variety with tolerance to stem rot disease sclerotinia. The new breakthrough high-yielding hybrid variety PT303 comes from breeder Pioneer, which is part of the agrochemicals and seeds giant Corteva Agriscience, and “significant quantities” of seed will be available this summer. Although the multi-gene trait does not give 100% resistance to the yield-sapping disease, the group describes it as a “major milestone” for plant breeders as it could reduce spraying of the tall crop or even cut out flowering sprays altogether.

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