RESULTS

(13)

FILTER

DISEASE: Bacterial leaf spot (Blight)

HOST: Poinsettia

Blighted leaves and stems.

Bacterial leaf spot (Blight) | Poinsettia

DISEASE: Bacterial leaf spot (Blight)

HOST: Poinsettia (Euphorbia pulcherrima)

PATHOGEN: Curtobacterium flaccumfaciens pv. poinsettiae

SOURCE: APS

DISEASE: Bacterial leaf spot (Blight)

HOST: Poinsettia

Poinsettia with diseased stem. Woody stems may have a yellowed cortex and dark vascular tissues. The stem tip may curve with deformed terminal leaves.

Bacterial leaf spot (Blight) | Poinsettia

DISEASE: Bacterial leaf spot (Blight)

HOST: Poinsettia (Euphorbia pulcherrima)

PATHOGEN: Curtobacterium flaccumfaciens pv. poinsettiae

SOURCE: APS

DISEASE: Bacterial leaf spot (Blight)

HOST: Poinsettia

Leaves with small, dark spots, an early stage of disease.

Bacterial leaf spot (Blight) | Poinsettia

DISEASE: Bacterial leaf spot (Blight)

HOST: Poinsettia (Euphorbia pulcherrima)

PATHOGEN: Curtobacterium flaccumfaciens pv. poinsettiae

SOURCE: A. Alvarez

DISEASE: Sweet potato little leaf

HOST: Sweet potato

Infected plant (left) and healthy plant (right).

Sweet potato little leaf | Sweet potato

DISEASE: Sweet potato little leaf

HOST: Sweet potato (Ipomoea batatas)

PATHOGEN: 'Candidatus Phytoplasma aurantifolia'

PATHOGEN SYNONYM: Phytoplasma Peanut witches'-broom group

SOURCE: R. McCoy, M. Davis

DISEASE: Witches'-broom

HOST: Citrus (Lime)

Lime tree with compact, small leaves (witches'-broom). Leaves on older brooms dry out and eventually drop, leaving dead, bare branches. There are no flowers or fruit on brooms.

Witches'-broom | Citrus (Lime)

DISEASE: Witches'-broom

HOST: Citrus (Lime) (Citrus sp.)

PATHOGEN: 'Candidatus Phytoplasma aurantifolia'

PATHOGEN SYNONYM: Phytoplasma Peanut witches'-broom group

SOURCE: J. Bove, M. Garnier

DISEASE: Witches'-broom

HOST: Pigeon pea

Pigeon pea with witches'-broom.

Witches'-broom | Pigeon pea

DISEASE: Witches'-broom

HOST: Pigeon pea (Cajanus cajan)

PATHOGEN: 'Candidatus Phytoplasma aurantifolia'

PATHOGEN SYNONYM: Phytoplasma Peanut witches'-broom group

SOURCE: R. McCoy, M. Davis

DISEASE: Xanthomonas wilt

HOST: Banana

Cross sections exposing discoloration of infected fruit.

Xanthomonas wilt | Banana

DISEASE: Xanthomonas wilt

HOST: Banana (Musa × paradisiaca 'Pisang Awak')

PATHOGEN: Xanthomonas campestris pv. musacearum

PATHOGEN SYNONYM: Xanthomonas campestris

SOURCE: I. Buddenhagen

DISEASE: Xanthomonas wilt

HOST: Banana

Sliced diseased stem exposing discolored vascular tissues and bacterial ooze.

Xanthomonas wilt | Banana

DISEASE: Xanthomonas wilt

HOST: Banana (Musa × paradisiaca 'Pisang Awak')

PATHOGEN: Xanthomonas campestris pv. musacearum

PATHOGEN SYNONYM: Xanthomonas campestris

SOURCE: I. Buddenhagen

DISEASE: Xanthomonas wilt

HOST: Banana

Longitudinal sections of fruit exposing brownish red diseased tissues.

Xanthomonas wilt | Banana

DISEASE: Xanthomonas wilt

HOST: Banana (Musa × paradisiaca 'Pisang Awak')

PATHOGEN: Xanthomonas campestris pv. musacearum

PATHOGEN SYNONYM: Xanthomonas campestris

SOURCE: I. Buddenhagen