leaf blades host:ohioline.osu.edu

Listing 1 - 6 from 6 for leaf blades

Native Plants of Ohio, Bulletin 865, Grasses and Sedges
... in spring and dry in summer marshes, water margins Features Leaf blades are steel gray in late summer; violet-red or brown in ... places, open woods marshes, water margins, wet prairies Features Blue-green blades in summer are brown-maroon in fall and winter. Good ... Warm season grass; slow to establish. Erect, wiry grass; shiny green blades turn yellow in fall and beige in winter. Can be invasive ...
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Spur Blight of Red Raspberries, HYG-3008-94
... bearing spurs that are produced on the side branches, cause premature leaf drop, and kill buds on the canes that later develop ... early summer. Purple to brown areas (lesions) appear just below the leaf or bud, usually on the lower portion of the stem. These ... the wedge toward the tip of the leaf. Infected leaflets may fall off, leaving only petioles without leaf blades attached to the cane. When ...
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Slime Molds on Turfgrass, HYG-3074-96
... weedy grasses. They are most prevalent following prolonged periods of leaf wetness and may be observed from late spring to late ... Physarum. Slime molds are most prevalent following prolonged periods of leaf wetness which favor the growth and development of the fungus. ... , or gray layers of slimy paste-like material that covers the leaf blades. These masses later dry to form bluish-gray, black or ...
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Dollar Spot on Turfgrass, HYG-3075-96
... prominent after cool moist weather. Dollar spot on bluegrass. Hourglass-shaped tan lesions on bentgrass leaf blades. Causal Organism Dollar spot is caused by the fungus, Sclerotinia homoeocarpa. This fungus produces resting ... yellow spots on individual grass blades. The spot expands to a straw colored or tan band with dark reddish-brown margins. The tip of the affected leaf often remains green. The ...
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Powdery Mildew on Turfgrass, HYG-3081-96
... moderate temperatures and high relative humidity prevail. Powdery mildew on turf. Powdery mildew on leaf surface. Conidia of Erysiphe graminis. Causal Organism Powdery mildew on turf is caused by ... cobwebby growth typically confined to the upper surface of leaf blades. This growth rapidly becomes more dense and often involves the entire leaf surface giving the appearance of having been dusted with ...
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Powdery Mildew of Vine Crops, HYG-3111-96
... widespread in Ohio. Symptoms Small patches of fine, white threads develop on surfaces of infected leaf blades in late July on most vine crops in Ohio. These patches grow together and ... light, high fertility, and succulent plant growth. Unlike bacteria and many fungi, free moisture on leaf surfaces actually inhibits infection by these pathogens, although very high relative humidity is required ...
ohioline.osu.edu