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leaf curl disease host:plantpathology.tamu.edu

Listing 1 - 10 from 10 for leaf curl disease

Vegetable Crops - pt 4
... plants show a greenish-yellow mottle and may be curved and irregular in shape. Leaves curl upward and under severe infection are bunched, very small and discolored. Plants are stunted and ... . Avoid planting in wet, cold soils. Bacterial Blight (bacterium - Xanthomonas vignicola): This disease appears as tan to brown angular leaf spots with yellow margins on leaves, pods, and stems. It may cause ...
plantpathology.tamu.edu

Vegetable Crops - pt 6
... Control practices include the use of disease-free transplants and regular preventative fungicide applications during the growing season. Gray Leaf Spot (fungus - Stemphylium solani): First ... disease. Bacterial Canker (bacterium Corynebacterium michiganense): Wilting of leaflets is the first symptom; on older plants the margins of the lower leaflets wilt first, the margins dry and the leaflets curl ...
plantpathology.tamu.edu

Texas Plant Disease Handbook - Watermelon Menu
... Disease Handbook - Watermelon Menu Please select one of the following A complete description of Watermelon Diseases, or Individual Watermelon Diseases Alternaria Leaf Spot Anthracnose Bacterial Fruit ... Stem-End Rot Leaf Mosaic Monsporascus Root Rot/Vine Decline Myrothecium Leafspot Nematodes Non-Pathogenic Causes Pimples Powdery Mildew Southern Blight Splitting Squash leaf Curl Virus Sunburn ...
plantpathology.tamu.edu

Peach, Apricot and Nectarine, Prunus spp., Disease Index
... ., Disease Index PEACH, APRICOT and NECTARINE Prunus spp. Disease Index Armillaria Root Rot Bacterial Canker Bacterial Spot Brown Rot Cotton Root Rot Crown Gall Fungal Gummosis Leucostoma Canker Oxyporus Root Rot Peach Leaf Curl ...
plantpathology.tamu.edu

Fruit5
... disease to develop, cool, wet conditions are necessary during early fruit development. It is similar to peach leaf curl in its dependence on weather for infection. The fungicide program used to control peach leaf curl will also control plum pockets. Peach Stem Pitting (virus): See Peach. Peach Mosaic (virus): See Peach. STRAWBERRY Fragaria chiloensis and Fragaria ananassa Leaf Spot ( ...
plantpathology.tamu.edu

GROUND COVERS
... - Oidium spp.): White powdery mold or gray "felt" patches on leaves. Leaves may yellow, curl, and drop early. Prune to thin out shrub. Use preventive fungicide sprays. Root Knot ... Diseases (fungi): Other fungi known to cause disease on euonymus in Texas are Phymatotrichum omnivorum (root rot), Exosporium concentricum(leaf spot), and Phyllosticta euonymi (leaf spot). DICHONDRA Dichondra spp. Root Rot ...
plantpathology.tamu.edu

Trees Part 5
... seeds with a seed treatment fungicide using methyl cellulose as a binder. Needle Curl (physiological): Ends of needles curl in an abnormal manner. The cause is attributed to water stress. Coleosporium Rust ... sp.): Lemon-yellow spots on lower leaf surface. Later in the season the pustules are dark colored. The disease may be severe enough to cause leaf drop. Although rust infections are not considered ...
plantpathology.tamu.edu

Cucumis and Cucurbita species Disease Descriptions - Viruses
... 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 ... 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 watermelon ...
plantpathology.tamu.edu

Cantalope Diseases, Cucumis and Cucurbita spp.
... Leaf Spot (bacterium - Pseudomonas syringae pv. lacrymans): This disease appears on leaves, stems and fruit. Spots are small, angular, straw-colored and watersoaked. Leaf spots often dry and fall out giving the leaf ... 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

Sweet Corn Diseases
... between 60 and 80o F favor disease development. Varieties vary in their reaction to the fungus. Brown Leaf Spot (fungus - Physoderma maydis): The fungus causing this disease occurs in most fields but seldom ... sections.) High Plains Disease (Unknown): This disease is found on the Texas High Plains on corn and wheat. It is suspected to be a virus vectored by the wheat curl mite. Symptoms consist ...
plantpathology.tamu.edu