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Why Australia Needs Plant Quarantine, A T. Gulvin
Why Australia Needs Plant Quarantine, A T. Gulvin
Journal of the Department of Agriculture, Western Australia, Series 4
LATE blight of potatoes in 1830, powdery mildew of grapes in 1847, phylloxera in 1861, downy mildew in 1875, and black rot in 1838 . . . It was this grim list of plant disease epidemics in Europe that forced Governments to protect plants by quarantine.