Journal of the Department of Agriculture, Western Australia, Series 4


Lupins, Disease resistance, Diaporthe woodii, Mixed farming, Economic analysis, Western Australia

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The planting of Phomopsis-resistant lupins will increase net farm income. They will also alter the traditional blend of pastures and cropping, depending on grain and wool prices. In mixed farming areas of Western Australia's southern wheatbelt, they will allow more land to be sown to lupins rather than cereals on farms in which the lack of sheep feed over summer severely restricts wool production.

The benefits of Phompsis-resistant lupins arise from a reduction in sheep deaths due to lupinosis, a longer safe grazing period (free from lupinosis) on lupin stubbles, a decrease in the need for supplementary sheep feed over summer, improvements in sheep body weight (and possibly wool growth), and increases in harvested gran yield.

Farmers should prepare now for this major shift in farm management.