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RESULTS

(7)

DISEASE: Bacterial leaf stripe

HOST: Millet

Leaf with long reddish stripes, usually vein delimited.

DISEASE: Bacterial leaf stripe

HOST: Millet

Leaf with reddish stripes delimited by veins.

DISEASE: Bacterial leaf stripe

HOST: Sorghum

Diseased leaf with linear, interveinal stripes that are purplish red. They also can be yellow, tan, or purple depending upon host reaction.

DISEASE: Bacterial leaf stripe

HOST: Sorghum

Leaf with reddish brown stripes between veins.

DISEASE: Bacterial leaf stripe

HOST: Sorghum

Highly susceptible cultivar with severe symptoms.

DISEASE: Periwinkle yellows

HOST: Periwinkle

Leaves with characteristic yellow and chlorotic appearance. Yellowing is first associated with veins.

DISEASE: Slippery skin

HOST: Onion

Rot progresses from the top of infected scales and eventually internal tissues rot. In early stages, the only external symptoms may be softening of the neck.