Please refresh the page and retry. M ild weather has caused the doubling of outbreaks of an incurable disease which ravages apple and pear trees over the past 12 months. Bacterial plant diseases now rank among the worst problems experienced by gardeners last year, figures from the Royal Horticultural Society RHS have revealed. Experts dealt with twice as many inquiries about fireblight, which kills the shoots of apples and pears and ornamental relatives, than in L ike all bacterial diseases, it has not cure, and can affect a number of trees including cherry and hawthorn varieties.
Controlling Fire Blight Organically | Organic Gardening Blog
Scab Is the most prevalent disease you may encounter when growing your own Pear trees, for Pears as well as Apples and is quite widespread although Pear scab is a slightly different species than the scab that affects apples, but treatment is the same. It is identified by blackish scabs which develop on the fruits, and as blisters on the leaves. Some varieties are more prone than others. It can be controlled by a good broad spectrum fungicide recommended for scab by your local stockist [alas most of the best ones at the time of writing have been withdrawn] Prevention is better than cure so if you suffer from it one year be prepared early the next; start a spray programme just after bud-break and repeat as directed by the manufacturer.
The following is a list of diseases of pears Pyrus communis. Pezicula malicorticus Cryptosporiopsis curvispora [anamorph]. Armillaria mellea Rhizomorpha subcorticalis [anamorph]. Glomerella cingulata Colletotrichum gloeosporioides [anamorph]. Botryosphaeria obtusa Sphaeropsis malorum [anamorph].