DISEASES WHICH NORMALLY ATTACK ONE OR TWO KINDS OF PLANTS ONLY

FRUIT DISEASES

BLACK CURRANT

RUST

Brown powdery appearance on leaf under-surface. Spray with colloidal cop-per after picking (or before on young stocks). Alternate host is five-needled pines.

GOOSEBERRY

DIEBACK

Branches die back and wither when near fruit harvest due to botrytis infection through wound or dead side shoot. Cut off behind point of infection and paint over cuts with a protective paint.

PEACH

LEAF CURL

Spray in January with Bordeaux mixture, or 3 per cent lime sulphur.

PEAR

MILDEW

White coating on shoot tips. Cut these off and spray with Karathane.

BROWN ROT

Fruit turns brown and develops white pustules. Cut out dead spurs and shoots when pruning. Bury deeply all rotten fruits. Keep the store clean and do not store bruised fruit. Pick and store when dry and wrap better-class fruits in special wrappers. Try to prevent injuries from wasps and birds. Control codling moth.

CANKERS

Scrape and cut out cankers, and paint cuts with a good paint.

RASPBERRY

GREY MOULD

On fruits should be checked by spraying with captan early in season.

VIRUS

Mosaic shows as yellow blotches or spots and crinkling of leaves. Some varieties are only slightly affected and may still bear fruit. If crippled they must be discarded.

06. September 2013 by admin
Categories: Gardening History, Plant Biology, Top Tips | Tags: , , , , , , , , , , , , | Comments Off on DISEASES WHICH NORMALLY ATTACK ONE OR TWO KINDS OF PLANTS ONLY

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