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RESULTS

(10)

DISEASE: Bacterial canker (Leaf and fruit spot)

HOST: Kiwi

Diseased blossoms, a stage of bacterial canker.

DISEASE: Bacterial canker (Leaf and fruit spot)

HOST: Kiwi

Leaf spot stage of the disease with small, brown lesions with yellow halos.

DISEASE: Bacterial canker (Leaf and fruit spot)

HOST: Kiwi

Leaf spots on young leaves. Note dark brown to black lesions on lower surface (left) and similar lesions on upper surface but with yellow halos (right).

DISEASE: Bacterial canker (Leaf and fruit spot)

HOST: Kiwi

Rusty-colored exudate oozing from cankers on infected trunk.

DISEASE: Carrot yellows

HOST: Carrot

Flowers with shoot proliferation (witches’-broom) (left). Healthy flower (right). Virescence and phyllody of flower parts are common.

DISEASE: Carrot yellows

HOST: Carrot

Carrot with proliferation of roots. Initial symptoms include yellowing and narrowing of veins of young leaves. The entire leaf later becomes necrotic.

DISEASE: X-disease (Western X) or buckskin

HOST: Cherry

Comparison of normal, dark cherries (in hand) with infected, immature cherries with less pigmentation.

DISEASE: X-disease (Western X) or buckskin

HOST: Cherry

Healthy cherry shoot (left) and stunted shoot (right).

DISEASE: X-disease (Western X) or buckskin

HOST: Cherry

Infected trees on 'Mazzard' rootstock (right) may live for years, producing fruit with symptoms. Trees on 'Mahaleb' rootstock (left) usually die rapidly in year of infection, about time of fruit ripening.