Apple proliferation phytoplasma

All pictures from Institut für Pflanzenschutz im Obstbau, Dossenheim (DE)
(click on the images to enlarge them)

Apple cv. Golden Delicious showing premature development of axillary buds resulting in a witches' broom near the apex of the main shoot in spring.

Witches broom on apple
(cv. Golden Delicious)

Leaf of apple cv. Golden Delicious, showing reduced lamina size and enlarged stipules; healthy leaf on left.


Enlarged stipules of apple leaf (cv. Golden Delicious), healthy leaf on right.	Fruits of apple cv. Jonathan showing marked reduction in fruit size; longer, thinner peduncles and shallower calyx end and peduncular cavities; healthy fruit on right.

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