RESULTS

(5)

FILTER

DISEASE: Aster yellows

HOST: Wheat

Healthy head (left) and diseased head (right). Diseased seedlings may die within 2 to 3 weeks. Infected heads of surviving plants are small and sterile, with distorted awns.

Aster yellows | Wheat

DISEASE: Aster yellows

HOST: Wheat (Triticum aestivum)

PATHOGEN: 'Candidatus Phytoplasma asteris'

PATHOGEN SYNONYM: Phytoplasma Aster yellows group

SOURCE: L. N. Chiykowski

DISEASE: Black chaff (Bacterial leaf streak)

HOST: Wheat

Water-soaked stage of leaf streak.

Black chaff (Bacterial leaf streak) | Wheat

DISEASE: Black chaff (Bacterial leaf streak)

HOST: Wheat (Triticum aestivum)

PATHOGEN: Xanthomonas translucens pv. undulosa

SOURCE: S. Thomson

DISEASE: Black chaff (Bacterial leaf streak)

HOST: Wheat

Interveinal brown streaks and blotches on wheat leaves, a late stage of disease. Symptoms may be confused with other diseases.

Black chaff (Bacterial leaf streak) | Wheat

DISEASE: Black chaff (Bacterial leaf streak)

HOST: Wheat (Triticum aestivum)

PATHOGEN: Xanthomonas translucens pv. undulosa

SOURCE: R. Kilpatrick

DISEASE: Black chaff (Bacterial leaf streak)

HOST: Wheat

Brownish black streaks and blotches on glumes.

Black chaff (Bacterial leaf streak) | Wheat

DISEASE: Black chaff (Bacterial leaf streak)

HOST: Wheat (Triticum aestivum)

PATHOGEN: Xanthomonas translucens pv. undulosa

SOURCE: M. Boosalis

DISEASE: Black chaff (Bacterial leaf streak)

HOST: Wheat

Leaves with blighted leaf tips, and blades with brownish red streaks.

Black chaff (Bacterial leaf streak) | Wheat

DISEASE: Black chaff (Bacterial leaf streak)

HOST: Wheat (Triticum aestivum)

PATHOGEN: Xanthomonas translucens pv. undulosa

SOURCE: L. Claflin