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Nitrogen Nutrition and Susceptibility of Mailing Jewel Raspberries to Infection by Spur Blight ( Didymella applanata )

1970; Wiley; Volume: 19; Issue: 3 Linguagem: Inglês

10.1111/j.1365-3059.1970.tb00995.x

1365-3059

J. E. Goode,

Plant Disease Management Techniques

SUMMARY Spur blight ( Didymella applanata ) spread rapidly and recurred annually in cv. Mailing Jewel raspberries that received inorganic nitrogen fertilizer but the disease was less severe and spread relatively slowly in the absence of applied nitrogen. Infection reduced cropping by 20 to 30 per cent.