causal fungus

Listing 1 - 10 from 48 for causal fungus

Sphaeropsis Tip Blight
... kills current-year shoots and eventually may kill whole branches or the entire tree. This causal fungus becomes increasingly more common and destructive as trees age, although young trees can be ... tunnels within the affected shoot. Extremely wet spring weather promotes the development of this disease. Fungus spores are dispersed primarily on rain splash from March to October. High humidity also ...
hortparadise.unl.edu

Cytospora Canker of Spruce, HYG-3033-96
... tendrils or gelatinous spore masses are visible to the unaided eye. Causal Fungus Cytospora canker of spruce is caused by the fungus, Cytospora kunzei var. piceae (also reported as Valsa kunzei var. ... driven rain, by man during pruning, and also very likely by insects and birds. The fungus generally becomes established through wounds. Disease Management Cytospora canker is more common on trees ...
ohioline.osu.edu

DIAGNOSING PLANT DAMAGE - Figure 2-4
... lengths and often appear straw yellow or light tan in color. Black fruiting bodies of causal fungus may be present on diseased needles. Top Return to Look for Patterns, Return to Diagnosing ...
oregonstate.edu

Leaf Blight of Hawthorn, HYG-3039-96
... masses of the causal agent. They are especially evident when the leaves are wet. Causal Fungus Leaf blight of hawthorn is caused by the fungus, Entomosporium thuemenii (Diplocarpon maculatum). The fungus survives ... be best to select plants other than hawthorns for landscape plantings. Sanitation Since the fungus overwinters in the fallen diseased leaves, raking and destroying all leaves will help ...
ohioline.osu.edu

Vegetable Crops Pt1
... head will develop small black spots when infected with the mildew fungus. The fungus overwinters in crop refuse. Sanitation, rotation and spraying with ... a head rot or a root rot. The causal agent is a common soilborne fungus that attacks many plants. Crop rotation and ... during the seedling stage when it may produce damping-off. The causal fungus is soil and seed-borne. The disease seems to be ...
plantpathology.tamu.edu

ZINNIA
... also occur on the stems. Flowers are spotted and at times completely blighted. Because the causal fungus may be carried with the seed, treat the seed before planting with hot water at ... Older seeds are more easily injured by this treatment. Use recommended protectant fungicide. Powdery Mildew (fungus - Erysiphe cichoracearum): Whitish powdery growth on leaves and stems. Leaves die from base of plant ...
plantpathology.tamu.edu More from this site

APSnet North American Potato Blight Workshop
... million Irish to the United States. A workshop was deemed timely once again because the causal fungus, Phytophthora infestans, has gone through genetic changes.The occurrence of a new race has ... participated in discussion forums on late blight management, potato host plant genetics, and the fungus and the disease. Among management topics covered in the workshop are forecasting, cultural practices, ...
www.apsnet.org

APS Foundation - Mathre Award
... the disease and its causal fungus, Cephalosporium gramineum. He has investigated the infection processes and virulence of the pathogen, the physiological and chemical factors affecting sporulation of the fungus, host response and sources ...
www.apsnet.org More from this site

Tom Volk's Fungi, including mycology, molds, morels, fungus, IAQ, Indoor Air Quality and much more.
... fungus Cordyceps subsessilis, also called Tolypocladium inflatum Cortinarius semisanguineus, a beautiful mycorrhizal mushroom used for dyeing wool. Craterellus fallax, the black trumpet chanterelle Cryphonectria parasitica, causal agent of chestnut blight. Cyathus striatus and Crucibulum vulgare, bird's nest fungi. Daldinia concentrica, the coal fungus, carbon ...
botit.botany.wisc.edu

Tom Volk's Fungus of the Month Pages
... Jan. 2006 Tremella fuciformis, the snow fungus, an edible jelly fungus, a.k.a .the silver ear fungus, the snow ear fungus or simply the white jelly fungus Dec. 2005 Asterophora lycoperdoides, the ... Pluteus cervinus, the deer mushroom. May 1998 Cryphonectria parasitica, causal agent of chestnut blight. Apr. 1998 Sarcoscypha coccinea, the scarlet cup fungus. Mar. 1998 Ustilago maydis-- that's right it ...
botit.botany.wisc.edu More from this site

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