Cherry Pest Management Guidelines
UC agricultural management guidelines for control of cherry pests. Relative Toxicities of Insecticides and Miticides Used in Cherries to Natural Enemies and Honey Bees (4/06) Major Monitoring Periods in an IPM Program (4/06) General Properties of ... [... more]
University of California IPM |
Scientific Name: Otiorhynchus cribricollis
Adults are dark brown, compact weevils up to about 0.5 inch long with longitudinal striations. They are flightless and nocturnal, hiding at the base of fruit or under dirt clods during the day and crawling up the tree at night to feed. Larvae are ... [... more]
University of California IPM |
Root knot nematode: Meloidogyne incognita, and M. javanica
Damage caused by nematodes is likely to become evident during the first year after planting. Feeding by nematodes can impair root functions such as uptake of nutrients and water. Lesion nematodes penetrate into the roots and cause damage by ... [... more]
University of California IPM |
Scientific Name: Polycaon confertus
UC Management Guidelines for Branch and Twig Borer on Cherry. The branch and twig borer is a slender brown beetle about 0.5 to 0.66 inch long. The body is cylindrical and the head and prothorax are narrower than the body proper. The beetle lays ... [... more]
University of California IPM |
European Earwig
Earwigs can be trapped by using Tanglefoot or a similar material applied to the trunk of the tree to prevent their crawling up. Before emergence of the nymphs, wrap the trunk tightly with plastic wrap so that the insects can't crawl beneath the ... [... more]
University of California IPM |
Scientific Name: Archips argyrospila
UC Management Guidelines for Fruittree Leafroller on Cherry. The fruittree leafroller overwinters in the egg stage on twigs. Eggs hatch in early spring; larvae are dark green caterpillars with black heads and are about an inch long when fully ... [... more]
University of California IPM |
Scientific Name: Schizura concinna
UC Management Guidelines for Redhumped Caterpillar on Cherry. Redhumped caterpillars are mainly a problem on young trees where they skeletonize leaves, leaving behind only leaf veins. They do not web leaves. Redhumped caterpillar can be a pest of ... [... more]
University of California IPM |
Pathogen: Podosphaera clandestina
Powdery mildew is marked by superficial, white, weblike growth on leaves, shoots, or fruit. The fungus overwinters in buds on twigs and as cleistothecia, which are spore-containing structures, on the bark of twigs and branches. Secondary spores ... [... more]
University of California IPM |
Scientific Name: Parthenolecanium corni
UC Management Guidelines for European Fruit Lecanium on Cherry. COMMENTS: Oil alone can control moderate populations of soft scales. Not all oils are organically acceptable; be sure to check individual products. The European fruit lecanium, also ... [... more]
University of California IPM |
Pathogen: Agrobacterium tumefaciens
Rough, abnormal galls develop on roots or trunk. Galls are not hard, but soft and spongy. The centers of older galls decay. Young trees become stunted; older trees often develop secondary wood rots. UC Management Guidelines for Crown Gall on ... [... more]
University of California IPM |
Mountain Leafhopper
The mountain leafhopper is a slender, dark brown leafhopper with red eyes and a yellow band behind the head and a yellow spot in the center of each wing. The leafhopper overwinters in weedy sugarbeet fields. If the beets are harvested in spring, ... [... more]
University of California IPM |
Phytophthora Root and Crown Rot
Avoid locations with a history of Phytophthora root and crown rot, especially when planting susceptible rootstocks. You can use various methods to reduce the soil population of the pathogen, but you cannot eliminate it. Be sure to verify that ... [... more]
University of California IPM |
