fungal structures

Listing 11 - 20 from 94 for fungal structures

Alternative Apple System
... fungal reproductive structures (1.14 vs 0.54 structures per sq cm bark surface area for flail and rotary, respectively). When examined across bark removal classes, significantly greater numbers of fungal structures were observed after flail mowing for classes 1 to 10%, 26 to 50%, and 91 to 100%. For other classes, fungal reproduction was similar ...
www.caf.wvu.edu

Blueberry Diseases in Michigan
... third of the bush, especially in the crown area. They contain small black pimple-like fungal fruiting bodies called pycnidia. The pycnidia contain conidiospores that infect more canes when they ... progress any further. The fungus probably overwinters on old leaves and trash on the ground. Fungal structures called sclerotia may overwinter on twigs also. Control: Refer to the Michigan Fruit Management ...
www.canr.msu.edu

SOY005 - Identification and Managment of Mid-to-Late Season Soybean Stem and Root Rots
... brown above the soil line for two-to-four inches. The presence of bright-red fungal structures (about the size of the head of a pin) near the soil line are a ... the dead stem. A white mat of fungal tissue may appear on soil and the base of the stem. Fungal structures called sclerotia frequently cover the fungal mat. Sclerotia are spherical, tan or brown ...
www.ces.ncsu.edu

Asian Soybean Rust - Frequently Asked Questions V: Monitoring, Tracking, and Scouting
... plots and are sampled once per week. What are spore traps? Urediniospores are the principal fungal structures responsible for spread of ASR. Therefore, the ability to detect these spores is important for ...
www.ext.vt.edu

Wire Stem and Bottom Rot of Cabbage
... . A weblike mycelium develops between diseased leaves. Infected leaves are eventually covered with small, brown, fungal structures called sclerotia, which can persist on plant debris in the soil for long periods of ...
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... soil or in infected plant debris as sclerotia, resistant fungal structures, while pink snow mold survives as mycelium or spores in infected plant debris. Fungal growth begins in the winter, beneath a ... snow mold being white to pink in color. Occasionally, fungal fruiting bodies (mushrooms) may be seen emerging from infected turf. Hard structures, called sclerotia, may also develop on the leaves ...
www.extension.umn.edu

... too deeply. Graft union failure. Root and trunk rots as evidenced by mushrooms or other fungal structures. Environmental pollution. In diagnosing shade tree decline it is important to remember that symptoms do ...
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Department of Plant Pathology Ornamental Disease Fact Sheets
... and diseased plants must be brought into the greenhouse to establish the fungus again. Outdoors, fungal structures form on leaves and twigs that allow the fungus to survive winter conditions. Symptoms White ... On some plants such as kalanchoe, infected leaves have dry, corky, scab-like spots and fungal growth is not obvious. Conditions Favoring Powdery Mildew High relative humidity at night Low ...
www.ppath.cas.psu.edu

Department of Plant Pathology Plant Disease Fact Sheets
... have a yellow halo. Spots may becomhe 2 inches in diameter and contain tiny black fungal fruiting structures. Colletotrichum Avoid overhead watering. Bacterial Leaf Spot Small gray or dark green leaf ... Myrothecium Leaf Spot Large gray-brown, oval leaf spots form at leaf tips or margins. Fungal structures worm in concentric rings within the spots on the underside of the leaf. Myrothecium roridum ...
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Faculty Profile: Dr. R. Larry Peterson, Department of Botany, University of Guelph
... L. H. Melville, R. L. Peterson and R. Molina. (1999).; Biology of the ectomycorrhizal fungal genus, Rhizopogon.; IV. Comparative morphology and anatomy of ectomycorrhizas synthesized between several ... Dickson, M. L. Farquhar, S. Smith and R. L. Peterson. 1998. Visualization of mycorrhizal fungal structures in resin embedded tissues with xanthene dyes using laser scanning confocal microscopy. Can. ...
www.uoguelph.ca

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