halo blight host:ohioline.osu.edu

Listing 1 - 3 from 3 for halo blight

Phomopsis Leaf Blight and Fruit Rot of Strawberry
... leaf spot disease of strawberry; however, young lesions caused by Phomopsis often have a reddish halo that is not present on leaf spot lesions (Figure 1). As the disease progresses, ... Always use certified disease-free plants. Varieties appear to differ in their susceptibility to leaf blight; however, specific information on disease resistance is generally not available. Varieties that appear to be ...
ohioline.osu.edu

Early Blight of Potato and Tomato, HYG-3101-95
... "bull's eye" appearance. There is often a narrow, yellow halo around each spot and lesions are usually bordered by veins ... fruit, may occur when early blight attacks tomatoes in the flowering stage. On older fruits, early blight causes dark, leathery sunken ... -nitrogen and phosphorus deficiency can increase susceptibility to early blight. Time applications of overhead irrigation to allow plants to ...
ohioline.osu.edu

Bacterial Spot, Speck, and Canker of Tomatoes, HYG-3120-96
... canker) or cool (speck), moist conditions. Bacterial spot can cause moderate to severe defoliation, blossom blight, and lesions on developing fruit. Bacterial speck also causes these symptoms but is usually not ... , slightly sunken with a rough, scabby surface. In the early stages of infection, a white halo may surround each lesion at which time it resembles the fruit spot of bacterial canker ...
ohioline.osu.edu