Olive Pest Management Guidelines
UC agricultural management guidelines for control of olive pests. Relative Toxicities of Insecticides and Miticides Used in Olives to Natural Enemies and Honey Bees (1/09) Olive Weed Photo Gallery, with Common and Scientific Names ... [... more]
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BLACKBERRY
Most of these special weed problems can be minimized through an active preplant weed management program. Information about Special Weed Problems in Olive. . Dallisgrass is a common perennial weed found in olive orchards. It has a clumpy growth ... [... more]
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Oleander Scale
The adult female oleander scale is an armored scale that is about 0.1 inch (2.5 mm) long and oval. It has a waxy covering that is whiter than olive scale with a yellow or light brown spot near the center. The adult male scale is elongate. If the ... [... more]
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UC Management Guidelines for Verticillium Wilt on Olive
Symptoms of Verticillium wilt appear when leaves on one or more branches of the tree suddenly wilt early in the growing season; this process intensifies as the season progresses. Death of mature trees infected with Verticillium is possible. ... [... more]
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Scientific Name: Melalgus (=Polycaon) confertus
UC Management Guidelines for Branch and Twig Borer on Olive. The branch and twig borer adult is a 0.3 to 0.6 inch (7-15 mm) long beetle, mostly black with brown wing covers. The C-shaped, white larvae are covered with fine hair. There is one ... [... more]
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SITE PREPARATION
COMMENTS: A non-selective, postemergence herbicide used for quick top kill of most weed species. Apply in 20-60 gal water/acre to young weeds. Use 0.5% nonionic surfactant. Repeat treatment as new growth occurs. Whenever tank mixes are used, ... [... more]
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UC Management Guidelines for Olive Knot on Olive
Olive knot appears as rough galls or swellings about 0.5 to 2 inches in diameter on twigs, branches, trunks, roots, leaves, or fruit stems. Small shoots may be defoliated and killed. Galls also form at trunk or limb wounds. Olive knot can kill ... [... more]
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Olive Scale
Olive scale is an armored scale and like all armored scales, resembles a small encrustation on the plant. The adult female scale is about 0.10 (2.5 mm) inch long, with a grayish, oval, waxy covering. The male scale is more elongate with a black ... [... more]
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Olive Fruit Fly
Olive fruit fly poses a serious threat to the California table olive and olive oil industries. Olives grown by homeowners for home curing or oil are equally at risk. A native of eastern Africa, it is considered the most damaging pest of olives in ... [... more]
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ANNUAL GRASSES
FLU = fluazifop-p-butyl (Fusilade DK) ISO = isoxaben (Gallery T & V;) SIM = simazine (Princep, etc.) willowherb, panicle-leaf DIU = diuron (Karmex, etc.) smartweeds GLY = glyphosate (Roundup, etc.) COMBINATIONS lettuce, miner's OXY = oxyfluorfen ... [... more]
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SPRAY THINNING WITH NAA
Olive trees are alternate bearing: under normal conditions, they produce heavy crops one year and a light one the next. Alternate bearing creates problems for growers; thinning is recommended to produce a more consistent yearly crop, larger and ... [... more]
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Scientific Name: Euzophera semifuneralis
The adult moth is gray with a wing expanse of 0.75 to 1 inch (19-25 mm) and brown and black markings on the wings. Adult females lay eggs near where callous tissue has developed, such as at pruning wounds, crown galls, or scaffold crotches. ... [... more]
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