Celery Pest Management Guidelines
UC agricultural management guidelines for control of celery pests. Relative Toxicities of Insecticides Used in Celery to Natural Enemies and Honey Bees (6/08) Celery Weed Photo Gallery, with Common and Scientific Names (5/99) Aster Yellows ... [... more]
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Cultural Practices
Root knot nematodes can cause stunting of celery plants. They can also reduce a stand, but this is rare and usually occurs under high nematode population densities when the growing season extends into warm weather. Reports of nematode problems in ... [... more]
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Black Bean Aphid
A group of related species, or possibly biotypes, form the black bean aphid complex. These individuals are superficially identical. The black bean aphid is a dark green to black, soft-bodied insect with a dark-colored head, antennae, and ... [... more]
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Scientific Name: Lygus hesperus
Adults are small (about 0.25 inch), variably colored yellowish to green to bronze true bugs with a distinctive triangular marking on the back and wings composed of both membranous and hardened sections that are carried folded over the back. The ... [... more]
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Crater Rot
Crater rot symptoms are usually restricted to the lower portions of the celery petioles where soil is in contact with plant tissue. Early symptoms consist of small, irregular, reddish-brown lesions that develop on outer and inner sides of the ... [... more]
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Scientific Name: Spodoptera exigua
Beet armyworm adults are 0.5 to 0.75 inch, nondescript brown moths. They typically lay masses of 20 to 120 eggs and cover them with light-colored scales, which gives the egg masses a distinctive cottony appearance. Up to 400 or more eggs can be ... [... more]
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LITTLE MALLOW
Most celery-growing regions are only confronted with annual broadleaves and grasses, and most of these, except little mallow, are effectively controlled with current weed management tools. Information about Special Weed Problems in Celery. . ... [... more]
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Late Blight
Early symptoms of late blight consist of small, discrete, yellow spots on leaves and petioles. The spots often are circular in shape but may be angular when they are delineated by leaf veins. As the disease progresses, leaf lesions enlarge and ... [... more]
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Pink Rot
Celery is susceptible to the pink rot fungus at all stages of plant growth (including as transplants in trays), but the disease is most often observed on mature plants when leaf canopies are well developed. Initial symptoms appear as brown ... [... more]
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Other Virus Diseases
UC Management Guidelines for Other Virus Diseases on Celery. Cucumber mosaic symptoms are similar to those of celery mosaic but in addition cause areas of sunken brown spots on the stalk. Symptoms of tomato spotted wilt appear on older leaves as ... [... more]
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Pathogen: Pseudomonas syringae pv. apii
Initial symptoms of bacterial leafspot are small, water-soaked spots that are visible from both sides of the leaf. The lesions usually are limited by leaf veins and thus have an angular, square, or rectangular appearance. These water-soaked ... [... more]
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PERENNIAL WEEDS
BSL = bensulide (Prefar) LIN = linuron (Lorox) NON = nonanoic acid (Scythe) PRM = prometryn (Caparol) CLE = clethodim (Prism) GLY = glyphosate (Roundup, Touchdown) W. E. Bendixen, UC Cooperative Extension, Santa Barbara County [... more]
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