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leaf distortion

Listing 1 - 10 from 48 for leaf distortion

HostaRegistrar.org: American Hosta Society Online Registry and Hosta Plant Database
... margin, concave. DIMPLES – a slight form of seersuckering DIVISION – (in Hosta) a single shoot with roots attached. DRAWSTRING EFFECT – the leaf distortion caused by the expansion of the interior of the ... an individual division; the dormant set of leaves all enclosed in a single set of leaf scales. SMALL – (see table below) SPECIES - the taxonomic division of freely interbreeding population of wild ...
hostaregistrar.org

Common Smut of Corn, HYG-3119-96
... 4-5 inches in diameter. When leaves are infected, small pustules develop, usually on the midrib, causing some leaf distortion. After the spores mature, the outer covering becomes dry and brittle, breaks open, and the ... sporidia bud like yeast, forming new spores that germinate in rain water that collects in the leaf sheaths. This leads to infections that are visible in 10 days or more. Wounds from ...
ohioline.osu.edu

Cucumis and Cucurbita species Disease Descriptions - Viruses
Cucumis and Cucurbita species Disease Descriptions - Viruses Virus Symptoms Viruses: Viruses cause mosaic patterns (light green, dark green) in leaves, puckering, leaf distortion, stunting, shortened internodes and misshapened fruit. See symptoms on yellow squash. Infected yellow squash and pumpkin produce fruit with green blotches of varying degrees. It is impossible to diagnose specific viruses ...
plantpathology.tamu.edu

Cantalope Diseases, Cucumis and Cucurbita spp.
... of hosts, including corn and grain sorghum. Dry conditions are normally associated with charcoal rot. Viruses: Viruses cause mosaic patterns (light green, dark green) in leaves, puckering, leaf distortion, stunting, shortened internodes and misshapened fruit. Infected yellow squash and pumpkin produce fruit with green blotches of varying degrees. It is impossible to diagnose specific viruses ...
plantpathology.tamu.edu
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Androsace hausmannii
... rock crevices but seeding into nearby screes as well. It requires a lean compost containing around 75% 2-4 mm. grit or more. The leaf distortion is probably caused by very small aphids, living under the lower leaves, which will only be found with a hand-lens. They must be removed immediately to avoid damage. A small group of these plants in a trough or pan can ...
www.androsace.org.uk

Blueberry Diseases in Michigan
... killed back and only scant regrowth occurs in the spring (Fig. 25). Leaf symptoms are severe on Rubel and include leaf distortion and mottling (Fig. 26). Yield is very poor on infected ... caused by Phomopsis canker. Figure 10. Blossom blight (arrow) caused by Botrytis cinerea.. Figure 11. Leaf necrosis caused by Botrytis cinerea. . Figure 12. Shoot blight/blossom blight (arrow) phase of anthracnose. ...
www.canr.msu.edu

ODIN002 - Rose Diseases and Their Control in the Home Garden
... occur on the surface of young leaves, shoots and flower buds. The disease causes leaf distortion but less leaf drop than black spot. Powdery mildew is usually more severe in shady areas and ... causes irregular yellow mosaic patterns or lightgreen to yellow line patterns in otherwise green leaves. Leaf symptoms are apparent during periods of rapid shoot growth and may disappear. Mosaic weakens rose ...
www.ces.ncsu.edu

SOY009 - Soybean Viruses
... or tested. TOBACCO RINGSPOT VIRUS – TRSV Tobacco ringspot virus (TRSV) is fairly common in North Carolina but yield losses in production fields are generally insignificant. Principal symptoms include stunting, leaf distortion, and characteristic browning and curling of the terminal branch. The most obvious symptoms are the proliferation of buds and flowers, and lack of pods or poorly formed pods ( ...
www.ces.ncsu.edu
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Anthracnose Leaf Blight of Shade Trees, HYG-3048-96
... damage occurs from this phase of the disease. In wet, cool spring conditions, leaves and sometimes shoots first develop water soaked areas and later large tannish blotches and leaflet distortion. Considerable leaf drop occurs, especially from lower areas of the canopy. Though this causes concern when leaves litter the ground in late spring, damage to overall plant health is not generally severe ...
ohioline.osu.edu

This is Local London | CommuniGate | Leaf Problems
... asked about various leaf problems that they have been experiencing. There are numerous pests and diseases that can cause holes in leaves, discolouration or distortion. Click on the link below for some of the most common problems that affect fuchsia's. Click here for leaf problems Email page Feedback Home Home Page |Club News |Show News |Photo ...
www.communigate.co.uk




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