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Legumes – Weeds 208 Radiant 1SC (spinetoram) Beans (Dry), Beans (Fresh), Lima Beans, Peas (Dry), Peas (Fresh), Southern Peas/Cowpeas | 5-8 fl. oz. per acre. Do not exceed 28 fl. oz. per acre. per season for succulent legumes, or 12 fl. oz. per acre for dry legumes. REI: 4-hour. PHI: 3-day for fresh legumes, or 28-day for dry legumes. IRAC 05. Sevin XLR Plus (4SC) (carbaryl) Beans (Dry), Beans (Fresh), Lima Beans, Peas (Dry), Peas (Fresh), Southern Peas/Cowpeas | 0.5-1.5 qts. per acre. Do not exceed 6 qts. per acre per season. Do not use on shelled succulent peas and beans. Edible-pod succulent and dried shelled beans and peas only. REI: 12-hour. PHI: 3-day for fresh legumes, 21-day for dry legumes. IRAC 01A. Transform WG (50) (sulfoxaflor) Beans (Dry), Beans (Fresh), Lima Beans | 2.25 oz. per acre. Suppression only. Do not make applications less than 14 days apart or consecutively on the same crop. No more than four application per crop. Maximum of 8.5 oz. per acre per year. REI: 24-hour. PHI: 7-day. IRAC 04C. Warrior II (2.08CS) (lambda-cyhalothrin) Beans (Dry), Beans (Fresh), Lima Beans, Peas (Dry), Peas (Fresh), Southern Peas/Cowpeas | 1.28-1.92 fl. oz. per acre. Do not exceed 7.68 fl. oz. per acre per season. Do not feed or graze livestock on treated plants. REI: 24-hour. PHI: 7-day for fresh legumes, or 21-day for dry legumes. IRAC 03A. RUP. Wireworms Pesticide Cruiser 5FS (thiamethoxam) Beans (Dry), Beans (Fresh), Lima Beans, Peas (Dry), Peas (Fresh), Southern Peas/Cowpeas | 1.28 fl. oz. per 100 lbs. of seed. Do not apply a neonicotinoid insecticide within 45-days of planting when using seeds treated with a neonicotinoid insecticide. REI: 12- hour. IRAC 04A. Legumes – Weeds Reviewed by Stephen Meyers, Ben Phillips – Sept 2021 Recommended Controls All Weeds Weed control methods in legumes vary by production system and crop. For legumes that are no-till, direct-seeded into a killed crop (such as after a rye cover crop, or wheat) growers often use a burndown herbicide with a preemergence herbicide. For legumes direct-seeded into tilled soil, growers often combine one or more preemergence herbicides at planting with one or more cultivations. Sometimes, growers also apply a preemergence herbicide after the last cultivation to improve control of late-emerging weeds. Small, emerged weeds in both systems can be controlled with selective postemergence herbicides and/or shielded applications of nonselective herbicides For specific weeds controlled by each herbicide, check the Relative Effectiveness of Herbicides for Vegetable Crops table. Rates provided in the recommendations below are given for overall coverage. For a banded treatment, reduce amounts according to the portion of acre treated. Non-Pesticide Beans (Dry), Beans (Fresh), Lima Beans, Peas (Dry), Peas (Fresh), Southern Peas/Cowpeas | A stale seedbed can be prepared prior to transplanting with flame weeding or very shallow cultivation to control emerged weeds, instead of herbicides. Legumes lend themselves to this stale seedbed practice because they are often planted after common weeds have emerged in tilled soil. Uniform and close plant spacing in the row promotes rapid canopy cover, and fresh market growers can keep larger between row spacing clean with between row cultivation tools for hand-pickers or mechanical harvesters. A rolling cultivator on a wide tool-bars offer effective high-speed cultivation. Pesticide Aim EC (2) (carfentrazone) POST Beans (Dry), Beans (Fresh), Lima Beans, Peas (Dry), Peas (Fresh), Southern Peas/Cowpeas | 0.5-2 fl. oz. per acre. Apply prior to or within 24 hours after seeding, or apply between crop rows with hooded sprayer. Do not allow spray to contact crop. Use Midwest Veg Guide 2022