Factsheet P02: Canker of apple & pear
£1.00
Apple and pear canker is a fungal disease caused by Nectria galligena, well known in Western Europe, Asia, South and North America and New Zealand. Though most serious on apples and pears, it is also found on a range of broad-leaved trees including maples (Acer spp.), birches (Betula spp.), hawthorn (Crataegus monogyna), beech (Fagus spp.), ash (Fraxinus excelsior), poplars (Populus spp.), oaks (Quercus spp.) and willows (Salix spp.)