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Susceptibility of Weeds of Onion and Garlic to Herbicide ...
University of California IPM — ETH = ethofumesate (Norton) FLU = fluazifop-P-butyl (Fusilade) OXY = oxyfluorfen (Goal, GoalTender) dock, curly (seedling) BEN = bensulide (Prefar) BRO = bromoxynil (Buctril) DIM = dimethenamid (Outlook) MET = metam sodium* (Vapam, etc.) PEN = ...More…
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Onion and Garlic Pest Management Guidelines
University of California IPM — UC agricultural management guidelines for control of onion and garlic pests. Relative Toxicities of Insecticides and Miticides Used in Onions and Garlic to Natural Enemies and Honey Bees (6/08) Onion and Garlic Weed Photo Gallery, with Common and ...More…
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Introduction to Weeds Photo Gallery
University of California IPM — Links to photos and descriptions of common weeds of California. The UC IPM Weed Photo Gallery includes many, but not all, weed species commonly found in California farms and landscapes. Additional species will be added over time. ...More…
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Organic Weed Management
University of California IPM — Information about Organic Weed Management in Onion and Garlic. Weed control in organic onions and garlic requires special attention to preventing weed problems before they start. Any method that reduces the amount of weed seed will reduce ...More…
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Onion Yellow Dwarf
University of California IPM — UC Management Guidelines for Onion Yellow Dwarf on Onion and Garlic. The first symptoms of onion yellow dwarf in young onions are yellow streaks at the bases of the first true leaves. All leaves developing after these initial symptoms show ...More…
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Iris Yellow Spot
University of California IPM — UC Management Guidelines for Iris Yellow Spot on Onion and Garlic. Symptoms of iris yellow spot on onion include yellow-to straw-colored lesions on leaves and scapes. Dry, elongated lesions or flecks may resemble thrips injury. Lesions may be ...More…
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Garlic Mosaic
University of California IPM — UC Management Guidelines for Garlic Mosaic on Onion and Garlic. Symptoms of garlic mosaic include mild to strong mosaic, chlorotic mottling, striping, and streaking of leaves. Symptoms are usually more pronounced in young leaves. Infected plants ...More…
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Pests in Homes, Gardens, Landscapes, and Turf
University of California IPM — Information about managing pests of homes, gardens, landscapes, and turf, from UC IPM. Management methods including pesticides and biological control Identification helpers-including natural enemies and weed photo galleries UC Statewide Master ...More…
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Scientific names: Rhizoglyphus spp., Tyrophagus spp.
University of California IPM — UC Management Guidelines for Bulb Mites on Onion and Garlic. Bulb mites damage bulbs by penetrating the outer layer of tissue and allowing rotting organisms to gain entry. This pest is most damaging when plant growth is slowed by cool, wet ...More…
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Scientific name: Liriomyza spp.
University of California IPM — UC Management Guidelines for Leafminers on Onion and Garlic. Adults are small black and yellow flies. Females puncture the leaf to feed on plant sap and to lay eggs within the leaf tissue. Eggs hatch within 2 to 4 days and the small white to ...More…
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Before crop and weeds emerge
University of California IPM — COMMENTS: A nonselective foliar herbicide that kills emerged weeds. Can be used before planting or after planting but before the crop emerges. Any crop plants exposed to the spray will be killed, even germinating seed in the crook stage. No soil ...More…
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Common Name
University of California IPM — Onion and Garlic Weed Photo Gallery with Common and Scientific Names. Panicum dichotomiflorum Canarygrass Fiddlenecks Rumex spp. Chenopodium spp. Helianthus spp. Melilotus spp. Senecio spp. panicum, fallMore…