Fungal disease that makes potatoes ugly. They can still be eaten, and it supposedly doesn’t reduce crop yield, but infected potatoes won’t store well. There are a few different forms of scab (Common Scab & Powdery Scab). There’s no treatment, but soil moisture & pH levels are ways to manage it. Physical Description Caused by soil-borne […]
Peach Leaf Curl Taphrina deformans Description fungus that lives within the plant but between plant cells on the bark usually worst during cool, wet springs Plants Affected Peaches Nectarines Lifecycle and Mechanism of Infection spores are carried by wind and rain then get lodged in cracks and crevices in the bark and bud scales the […]
Quick Intro Physical Description Species & Taxonomy Kingdom: Phylum: Class: Order: Family: Genus Species: Lifecycle Plants Affected Bermuda-type onions are especially susceptible to neck rot disease (BBGS-131) Plants Unaffected Geographical Range Signs & Symptoms Whole Plant Leaves Flowers Fruit Roots/Tubers How to Positively Identify Treatment Prevention & Control […]
Fusarium oxysporum f. sp. gladioli Symptoms: concentric brown markings develop on the corm, usually at its base and while in storage crocuses and bulbous irises may also be affected the corm dries out, becoming mummified but not developing fungal growth if plants grow from infected corms, the foliage shows yellow flecing and later striping toward […]
Fusarium oxysproum f. sp. narcissi Daffodils Symptoms: bulb discolors and rots, spreading upward through the inner scales, turning them chocolate brown a pale pink fungal growth may develop on the basal plant and among the affected scales bulbs in storage turn uniformly brown, dry out, and become mummified those in the ground usually rot off […]
Fusarium can blight drought-stressed turf during a 2- to 3-day period of high night temperatures (over 75 degrees F) and high humidity see “Fusarium Wilt” for more info
Plants affected: Lawns, particularly those that contain a high proportion of annual bluegrass (Poa annua) Symptoms: patches of grass become yellow and die, often merging to form large areas in damp weather, a white fungal growth appears, causing the grass blades to stick together. it is most prevalent in late winter and early spring, especially […]
Also known as Basal Rot Physical Description Species & Taxonomy Kingdom: Phylum: Class: Order: Family: Genus Species: Fusarium spp. Plants Affected Tomatoes, cucumbers, and melons are frequently affected soft-stemmed plants, especially seedlings and cuttings, are commonly affected, but most annual, biennial, and herbaceous perennial plants may show symptoms Signs & Symptoms Whole Plant deterioration of […]
Quick Intro Physical Description Species & Taxonomy Kingdom: Phylum: Class: Order: Family: Genus Species: Fusarium oxysporum f. sp. callistephi Plants Affected Aster family plants: aster daisy sunflower lettuce artichokes marigold chrysanthemums dahlias zinnias echinacea yarrow Plants Unaffected Geographical Range Signs & Symptoms Whole Plant rapid wilting of the plant, often followed by death stem […]
Common Fungal Diseases: Aster Wilt Cabbage Yellows Downy Mildew Foot Rot or Root Rot Fungal Canker Fungal Leaf Spots Alternaria Cercospora Coccomyces Coryneum Cristulariella Mycosphaerella Phyllosticta Physalospora Venturia Fusarium Wilt Gladiolus Corm Rot Narcissus Basal Rot Peach Leaf Curl Phytophthora Powdery Mildew Pythium Rust Snow Mold Turf Drought Verticillium Wilt Transmission: AHSP&D-72: Most fungal infections […]