Apricot Pest Management Guidelines
UC agricultural management guidelines for control of apricot pests. Apricot Weed Photo Gallery, with Common and Scientific Names of Weeds Year-Round IPM Program for Apricot (9/07) Pheromone Traps (11/07) Managing Birds (11/07) Fruit Sampling at ... [... more]
University of California IPM |
Scientific name: Bryobia rubrioculus
The brown mite can be an economic pest of apricots. It is the largest of all apricot pest mites. Brown mite eggs hatch in early spring and the newly hatched mites are red with six legs. After the first molt they are brown with eight legs and ... [... more]
University of California IPM |
Root knot nematode: Meloidogyne sp.
Damage caused by nematodes is likely to first become evident during the first year after planting. Feeding by nematodes can impair root functions such as uptake of nutrients and water. Root lesion nematodes penetrate into the roots and cause ... [... more]
University of California IPM |
Pathogens: Monilinia fructicola, Monilinia laxa
Dark brown, firm, circular spots spread rapidly over fruit, and tan spore masses form in the centers of spots. Ripening fruit is most susceptible. Diseased fruits may remain on the tree until the next season. Fruit rot is not as important as ... [... more]
University of California IPM |
Jacket Rot
Jacket rot occurs during the jacket stage when remnants of the flower parts are still attached to the fruit. The disease causes a brown discoloration on the fruit under the jacket. The young fruit withers and falls off the tree within a few ... [... more]
University of California IPM |
Mating disruption.
This pest damages in two ways. Larvae burrow down tender shoots and kill the tip, which may cause problems in training young trees. They also feed on fruit, primarily at the stem end (early harvested varieties are less susceptible than later ... [... more]
University of California IPM |
Melalgus (= Polycaon) confertus
UC Management Guidelines for Branch and Twig Borer on Apricot. 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]
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Management Decisions
Symptoms are most obvious in spring, and include limb dieback with rough cankers and amber colored gum. There may also be leaf spot and blast of young flowers and shoots. The sour sap phase of bacterial canker may not show gum and cankers, but ... [... more]
University of California IPM |
Pathogens: Sphaerotheca pannosa and Podosphaera tridactyla
Powdery mildew appears as weblike white growth on fruit, leaves, and stems. Older lesions on fruit are scabby. Sphaerotheca pannosa causes mildew on fruit and leaves in spring; Podosphaera tridactyla attacks leaves in summer and fall. ... [... more]
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General Properties of Fungicides
Information about General Properties of Fungicides in Apricots Mode of action (FRAC Group No. 1) SAR = systemic acquired resistance induced in host Acknowledgment: Adaskaveg et al., 2007. Efficacy and Timing of Fungicides, Bactericides, and ... [... more]
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Scientific Name: Orgyia vetusta
UC Management Guidelines for Western Tussock Moth on Apricot. The western tussock moth is an occasional pest in coastal apricot orchards. A mature larva is 0.5 to 1 inch long with a gray background color and numerous red, blue, and yellow spots. ... [... more]
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Scientific name: Argyrotaenia citrana
The orange tortrix is found mainly in coastal areas. The larvae are straw to light green caterpillars with brown heads. When disturbed, they wiggle backward and drop to the ground on a silken thread. Adults are fawn or gray moths with darker ... [... more]
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