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RESULTS

(22)

DISEASE: Bacterial foot rot

HOST: Rice

The disease causes sheaths to turn dark brown and rot; dead leaves droop. Nodes, culms, and crowns also decay, and infected tillers are easily detached from the crown. Culms and internodes turn black.

DISEASE: Bacterial foot rot

HOST: Rice

Decayed culms (right) and healthy culms (left). Leaf sheaths of infected plants exhibit dark brown decay and attached leaves turn yellow and wilt.

DISEASE: Blossom blast

HOST: Apple

Many dead, shriveled flowers and young shoots. It differs from fire blight, with infections being relatively localized with the appearance of being "blasted".

DISEASE: Halo blight

HOST: Bean

Chlorotic, systemic symptoms with necrotic lesions on leaves of 'Romano' common bean.

DISEASE: Halo blight

HOST: Bean

Leaf of 'Bountiful' bean with chlorotic halos, an early stage of disease. Tiny water-soaked are difficult to see.

DISEASE: Halo blight

HOST: Bean

Common bean with systemic chlorosis and distorted leaves.

DISEASE: Halo blight

HOST: Bean

Leaves of highly susceptible 'Red Kidney' dry bean with typical water-soaked lesions with halos.

DISEASE: Halo blight

HOST: Bean

'Baby Fordhook' with water-soaked leaf lesions without halos. This strain of the pathogen is not systemic on this cultivar.

DISEASE: Halo blight

HOST: Bean

'Red Kidney' (dry bean) exhibiting tolerant reaction after inoculation with a halo blight strain. The small, dark lesions dry up in a few days and disease does not progress further.