Caneberries Pest Management Guidelines
UC agricultural management guidelines for control of caneberry pests. Relative Toxicities of Insecticides and Miticides Used in Caneberries to Natural Enemies and Honey Bees (5/08) General Properties of Fungicides Used in Caneberries ... [... more]
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Scientific Names: Apple pandemis: Pandemis pyrusana
Four leafrollers in the family Tortricidae, apple pandemis, light brown apple moth, omnivorous leafroller, and orange tortrix, are pests of caneberries. Apple pandemis, light brown apple moth, and orange tortrix occur primarily in coastal areas ... [... more]
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Pathogen: Mycosphaerella rubi
Leaf spot can cause symptoms on leaves and canes of blackberries. The disease is named for the often severe frogeye lesions on the leaves. They are somewhat circular in shape, often having a brown or purple margin, and typically have a whitish ... [... more]
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Botrytis Fruit Rot
UC Management Guidelines for Botrytis Fruit Rot on Caneberries. Flattened black masses of sclerotia appear on the bleached appearing canes of Botrytis-infested blackberry and raspberry plants in late winter. In the presence of free water during ... [... more]
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Raspberry Horntail
UC Management Guidelines for Raspberry Horntail on Caneberries. The eggs of the raspberry horntail, a wood wasp, are pearly white and oblong, with a curved point at one end. Mature larvae are white and cylindrical, with dark heads and a short ... [... more]
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Variety Tolerance
UC Management Guidelines for Phytophthora Root Rot on Caneberries. Field symptoms of Phytophthora root rot are first noticed when new primocanes (first-year canes) wilt and the shoot tips die back. Floricanes (second-year canes) of affected ... [... more]
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Root Weevils
Adult root weevils are beetles. They feed at night and hide around the crowns of plants during the day; they cannot fly. The adults, nearly all females, emerge in late spring or early summer, feed on foliage, and lay their eggs around the crowns ... [... more]
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Orange Rust
Newly emerging leaves are usually stunted, deformed, and yellowish. From afar, the plant tends to have a lightly foliated, spindly appearance. Later, the undersides of diseased leaves exhibit irregularly shaped, waxy orange aecia that soon turn ... [... more]
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Yellow Rust
Of the major caneberry crops, yellow rust infects only red raspberry and is not a systemic pathogen, meaning the pathogen does not spread internally through the plant. In spring, yellowish orange pustules (aecia) form on the tops of raspberry ... [... more]
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Pathogen: Sphaerotheca macularis
Raspberry leaves infected with powdery mildew develop light green (chlorotic) spots on the upper surface, often with white mycelial growth on the lower leaf surface. Upper surfaces of leaves have a mottled appearance similar to that caused by ... [... more]
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Pathogen: Peronospora sparsa
Downy mildew initially causes a light green to yellow discoloration on the upper blackberry or ollieberryleaf surface that eventually progresses to red and purple. Mature lesions are often angular and restricted by veins. White to gray mycelia ... [... more]
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Redberry Mite
The redberry mite is a perennial pest of both cultivated and wild blackberries but is not an economic pest of raspberries. These mites belong to a group of microscopic mites known as eriophyid mites. This eriophyid mite has two pairs of legs; it ... [... more]
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