Symptoms of gray leaf spot are usually first noticed in the lower leaves. Initially, lesions of gray leaf spot begin as a small dot with a yellow halo . Lesions will elongate over time running parallel to the veins becoming pale brown to gray and rectangular in shape with blunt ends.
Symptoms. Early symptoms of gray leaf spot can be seen on leaves as small, spherical lesions with a yellow halo around them. These first lesions may be tan or ... Symptoms · Disease cycle · Environment |
29 мар. 2010 г. · On cool season grasses, gray spot may not be noticeable. Initial symptoms often appear as tiny pinprick lesions, which often go unnoticed or are ... |
The characteristic symptoms of gray leaf spot appear on mature leaves as tan to brown, long (1/2 to 2 inches), narrow (1/8 to 1/4 inch), rectangular lesions. |
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