Category Archives: Pests & Problems

Wheat Curl Mite

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 […]

Potato Scab

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 […]

Wireworm

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 […]

Peach Leaf Curl

Peach leaf curl

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 […]

Neck Rot Disease of Onions (stub)

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 […]

Gladiolus Corm Rot

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 […]

Narcissus Basal Rot

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 […]

Snow Mold

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 […]