Tjosvold (emeritus), UC Cooperative Extension Monterey Countyĭ.M.Other good practices to help contain this disease include the following: avoid or minimize walking through the area that may have southern blight do not mulch, because the mulch helps create favorable conditions for the disease avoid watering or minimize watering to avoid runoff and do not transplant plants from the area that may be infected with southern blight to other parts of your garden. Koike (emeritus), TriCal Diagnostics, Hollister UC IPM Pest Management Guidelines: Floriculture and Ornamental Nurseries Restricted entry interval (REI) is the number of hours (unless otherwise noted) from treatment until the treated area can be safely entered without protective clothing.
#SOUTHERN BLIGHT CODE#
In California, make no more than one application of fungicides with mode of action group numbers 1, 4, 9, 11, or 17 before rotating to a fungicide with a different mode of action group number for fungicides with other group numbers, make no more than two consecutive applications before rotating to fungicide with a different mode of action group number.ĭo not exceed the maximum rates allowed under the California Code of Regulations Restricted Materials Use Requirements, which may be lower than maximum label rates. Fungicides with a different group number are suitable to alternate in a resistance management program. Group numbers are assigned by the Fungicide Resistance Action Committee (FRAC) according to different modes of actions. Permit required from county agricultural commissioner for purchase or use. Germination of some seeds may be inhibited and small plants may be stunted by this fungicide. Works through vapor action and has good residual action.
Insoluble in water and must be thoroughly mixed with soil to reach its desired depth of control.
Best available material for southern blight caused by Sclerotium rolfsii. MODE OF ACTION GROUP NAME (NUMBER 1): Aromatic hydrocarbon (14)ĬOMMENTS: Helpful in preventing infection when incorporated into top 2 inches of soil. MODE OF ACTION GROUP NAME (NUMBER 1): Succinate-dehydrogenase inhibitor (7) MODE OF ACTION GROUP NAME (NUMBER 1): Amino acids and protein synthesis (9) and signal transduction (12) MODE OF ACTION GROUP NAME (NUMBER 1): Demethylation inhibitor (3)ĬOMMENTS: A systemic fungicide applied as a foliar spray both a protectant and eradicant. Fumigate only as a last resort when other management strategies have not been successful or are not available. Fumigants are a source of volatile organic compounds (VOCs) but are not reactive with other air contaminants that form ozone.
Always read the label of the product being used.ĬOMMENTS: Inject into soil and cover immediately with plastic tarps. When choosing a pesticide, consider information relating to the pesticide's properties and application timing, honey bees, and environmental impact. The following are ranked with the pesticides having the greatest IPM value listed first-the most effective and least likely to cause resistance are at the top of the table. Not all registered pesticides are listed. Pesticide precautions Protect water Calculate VOCs Protect bees
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