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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
... of the leaf lower than the 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 leaf blade with a correspondingly lesser expansion of the margin tissue. This ...
hostaregistrar.org

Common Smut of Corn, HYG-3119-96
... 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 ... 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
... 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 ... yes beetle limited Tobacco Ringspot yes nematode wide (Xiphinema) thrips, beetles, other Squash leaf curl ** no whitefly limited * Not important on watermelon ** Primarily infects squash and ...
plantpathology.tamu.edu

Cantalope Diseases, Cucumis and Cucurbita spp.
... 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 ... . Fungicides for use on Cucumis and Cucurbita species Alternaria mancozeb chlorothalonil Angular leaf spot copper hydroxide mancozeb Anthracnose copper hydroxide mancozeb chlorothalonil thiophanate methyl ...
plantpathology.tamu.edu
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Androsace hausmannii
... . 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 ...
www.androsace.org.uk

Blueberry Diseases in Michigan
... 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 ... with blueberry leaf mottle virus. Figure 26. Leaf distortion and mottling of Rubel cultivar infected with blueberry leaf mottle. Figure 27. Small, pale leaves of Jersey cultivar infected with blueberry leaf mottle virus. ...
www.canr.msu.edu

ODIN002 - Rose Diseases and Their Control in the Home Garden
... other diseases and to winter injury. The fungus spreads from leaf to leaf during wet periods and new spots develop in 5 to ... young leaves, shoots and flower buds. The disease causes leaf distortion but less leaf drop than black spot. Powdery mildew is usually more ... or lightgreen to yellow line patterns in otherwise green leaves. Leaf symptoms are apparent during periods of rapid shoot growth and ...
www.ces.ncsu.edu

SOY009 - Soybean Viruses
... can severely lower soybean yield in infected fields. BPMV causes mottling of the leaves, leaf distortion (Fig. 3.), stunting of the plant, and mottled seed (Fig. 2). Bean pod ... 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 ...
www.ces.ncsu.edu
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Anthracnose Leaf Blight of Shade Trees, HYG-3048-96
... 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 ... brown blotches bordered in purple on upper leaf surfaces (tan in color viewed from the leaf underside). Leaf lesions often are delimited by the leaf midvein. Stem symptoms include twig dieback ...
ohioline.osu.edu

This is Local London | CommuniGate | Leaf Problems
... Mail Form LEAF PROBLEMS Many members have 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 ...
www.communigate.co.uk




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