Very tiny mites that degrade the quality and storage time for garlic and onions, while also resulting in poor health of the growing plant. Physical Description From UC IPM: Wheat curl mites are microscopic white, worm-like organisms about 0.01 inch (0.25 mm) long. The legs are very small and located near the head. These mites feed […]
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 […]
stub Species & Taxonomy Kingdom: Phylum: Class: Order: Family: Genus Species: Lifecycle Plants Affected Plants Unaffected Geographical Range Signs & Symptoms Whole Plant Leaves Flowers Fruit Roots/Tubers How to Positively Identify Treatment Prevention & Control Cultural Controls: Habitat: Temperature & Humidity: Mulching & Cultivation Practices: Natural […]
White grubs is the common name of the larvae of several beetles: Japanese Beetles June Bug or June Beetle (also known as May Bug) Potato tubers are one of the things they like to eat. They make large, shallow holes in the tuber, and although they are still safe to eat, the potato won’t be good […]
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 […]