leafspot fungi host:plantpathology.tamu.edu

Listing 1 - 8 from 8 for leafspot fungi

Vegetable Crops pt 2
... CORN (SWEET) Zea mays var. saccharata Seed Rots and Seedling Disease (fungi - Pythium spp. Macrophomina phaseolina , Gibberella zeae, Penicillium oxalicum and ... are larger than those caused by the southern corn leafspot fungus. Spots are from one to six inches long ... maximum plant growth. Ascochyta Blight (fungi - Ascochyta pisi, A. pinodella, A. pinodes): All three fungi are known to attack peas. ...
plantpathology.tamu.edu

Vegetable Crops - pt 4
... residue; 2) cultivate fields prior to planting to destroy all volunteer plants. Cercospora Leafspot (fungi - Cercospora cruciferarum and C. atrogrisea): The fungus attacks the cotyledons, leaves, and ... clearances of fungicides effective in controlling rust. Sulfur may be used. Leaf-Spots (fungi - Cercospora sp., Aristastoma sp., Ascochyta sp., Colletotrichum sp., Stagnospora sp.): Various sized ...
plantpathology.tamu.edu

AZALEA
... AZALEAAZALEA Rhododendron spp. Anthracnose - Leafspot and Dieback (fungus - Glomerella cingulata): Symptoms on leaves are characterized by numerous small, round spots ... fungicide four weeks before bloom. Spray at regular intervals during the blooming period. Leaf Spot (fungi - Cercospora sp., Phyllosticta sp.): Spots of various sizes and color on leaves throughout the year ...
plantpathology.tamu.edu

Trees part 2
... . Avoid wounding trees and sterilize pruning tools. Preventative fungicide sprays may control the leafspot stage. Powdery Mildew (fungus - Uncinula salicis): A white fungus grows on both sides ... Raking and burning fallen leaves will reduce inoculum for future infection. Other Leaf Spots (fungi - Gloeosporium sp., Cercospora sp., Phyllosticta sp., and others): Dark, elongated spots develop on midribs ...
plantpathology.tamu.edu

Trees Part 3
... to black while the underneath is a dull reddish brown. Control is not recommended. Rust (fungi - Ravenelia arizonica and Ravenelia holwayii): Rust attacks the leaves causing a distortion of the leaf ... is not required. Leaf Spot (fungus - Cercospora prosopidis): Although the fungicide benomyl would control the leafspot, its use is generally not necessary due to the limited damage caused by the fungus ...
plantpathology.tamu.edu

Trees Part 4
... infection by this organism. A copper fungicide just prior to bud opening is effective. Actinopelte Leafspot (fungus - Actinopelte dryina): This disease is most severe on members of the red oak ... late summer and early fall. Severe defoliation can occur. Actinopelte leafspot is a primary leafspot but can be found associated with other fungi. Infected leaves should be destroyed and trees which are ...
plantpathology.tamu.edu

Lespedza
... such as a prickly pear burner can be used to eradicate the plant. Leafspot (fungi - Colletotrichum spp. and other fungi): Although leafspots occur, they seldom become a limiting production factor. Stands heavily spotted ...
plantpathology.tamu.edu

Sweet Corn Diseases
... and development of young seedlings so that there is exposure to fungi for a longer period of time. Low quality seed also produce ... above 55o F. Stalk Rot and Kernel Rot (fungus - Fusarium spp.): Fusarium fungi survive on corn residue in soil and on seed. Stalk rot ... loss. Spots produced are larger than those caused by the southern corn leafspot fungus. Spots are from one to six inches long and one- ...
plantpathology.tamu.edu