Garden Plant diseases symptoms and remedies.

(leaves discoloured)

Plants affected:

Broad beans

Small dak brown spots on leaves and stems. They may merge.

Seldom necessary but encourage strong growth by liming and adding a potasch fertiliser. If the disease is severe spray with a copper fungicide soon after the leaves appear. 

(leaves discoloured)

Plants affected:

Quinces.

Symptoms: Small irregular spots, at first the spots are red,  then black/brown. The leaves turn brown and fall prematurely.

Treatment: Rake up and burn the diseased leaves. Cut out dead shoots and spray with Bordeaux mixture or copper as the first leaves unfold. Repeat once or twice.

(leaves discoloured)

Plants affected:

Hellebores.

Symptoms:  Brown Black blotches with concentric rings on the leaves which wither and die.

Treatment: Remove and burn diseased parts and spray the plants regularly with a copper fungicide such as Bordeaux mixture.

(leaves discoloured)

Weeping willows.

Small brown spots on the leaves.

Treatment: Spray small trees as the leaves unfold with a copper fungicide such as Bordeaux mixture and repeat at least twice in the summer. Burn any leaves that have fallen.

(leaves discoloured)

Plants affected:

Aubrietas,honesty,horseradish,brassicas,scorzoneras and salsify.

Blisters or swellings full of white powdery spores and often glistening. Developes on the leaves or sometimes on the stems.

Cut off and burn diseased leaves.