RESULTS

(4)

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DISEASE: Bacterial leaf spot of beet

HOST: Beet

Beet leaves with spots and marginal necrosis.

Bacterial leaf spot of beet | Beet

DISEASE: Bacterial leaf spot of beet

HOST: Beet (Beta vulgaris subsp. vulgaris)

PATHOGEN: Pseudomonas syringae pv. aptata

PATHOGEN SYNONYM: Pseudomonas aptata

SOURCE: P. Brown

DISEASE: Bacterial wilt (Moko disease)

HOST: Banana

'Bluggoe' banana infected by small fluidal round (SFR) strain. Bacterial ooze from bracts attracts insects that transmit the disease to other inflorescences.

Bacterial wilt (Moko disease) | Banana

DISEASE: Bacterial wilt (Moko disease)

HOST: Banana (Musa sp. 'Bluggoe')

PATHOGEN: Ralstonia solanacearum

PATHOGEN SYNONYM: Pseudomonas solanacearum

SOURCE: I. Buddenhagen

DISEASE: Bacterial wilt (Moko disease)

HOST: Banana

Fruit stalk infected with small fluidal round (SFR) strain of Ralstonia solanacearum. Infection of terminal bud occurs at sites where dead male flowers dehisced.

Bacterial wilt (Moko disease) | Banana

DISEASE: Bacterial wilt (Moko disease)

HOST: Banana (Musa sp. 'Bluggoe')

PATHOGEN: Ralstonia solanacearum

PATHOGEN SYNONYM: Pseudomonas solanacearum

SOURCE: I. Buddenhagen, M. Schroth

DISEASE: Pear decline

HOST: Pear

'Bartlett' pears were grafted onto tolerant rootstock. All trees are infected. Note yellowish, diseased branches.

Pear decline | Pear

DISEASE: Pear decline

HOST: Pear (Pyrus communis 'Bartlett')

PATHOGEN: 'Candidatus Phytoplasma pyri'

PATHOGEN SYNONYM: Phytoplasma Apple proliferation group

SOURCE: C. Smart