Weed Management Handbook

Cultivation, hoeing, or hand-weeding should be the first of mode of attack. Annual weeds must be cut just below the soil surface to prevent resprouting from buds on the stem. Always maintain a sharp hoe or knife and minimize soil disturbance. Shallow cultivation is required in tree fruits and berries to avoid scarring roots. Fewer weeds will grow after the initial population near the soil surface has germinated. After cultivating, remove weeds such as common purslane from the garden area, since they dry slowly and often re-root.

Proper planning and use of geo-textile weed "barriers" are the optimal choices for weed control in home gardens. The adage holds true, that "an ounce of prevention is worth a pound of cure."

Designing a year-round weed management program requires planning and timely implementation. First, identify and prioritize the weeds infesting your home landscape or garden. You may decide to simply mow a weed that infests sod between buildings, whereas poison-oak or field bindweed may be intolerable near the front door or in your garden. Also, improve your weed and crop management efficiency by grouping plants that require similar practices.

The second primary cultural practice is fertilization. Maintaining adequate levels of nitrogen and monitoring soil pH are important for a successful IPM program. Nitrogen (N) is the primary nutrient, and turfgrass will require substantially more nitrogen annually than any other nutrient. Depending on the species 2 to 6 lb N per 1,000 sq ft are recommended annually.

carfentrazone-ethyl (Aim EC)

Rate 0.031 lb ai/A (2 fl oz/A Aim EC)

Remarks Suckers must be young and succulent. Control is enhanced with COC (1%) or NIS (0.25%).

Caution Care must be taken not to allow spray mist to contact desirable fruit, foliage or green stem tissue. Do not use on seedlings.

pinoxaden + fenoxaprop (Axial Bold)

Rate 0.0536 lb ai/A pinoxaden + 0.0267 lb ai/A fenoxaprop (15 oz/A Axial Bold)

Time Apply to wheat from emergence to pre-boot stage. Apply to wild oat at the 1- to 6-leaf stage on the main stem. Apply to Italian ryegrass and windgrass at the 1- to 5-leaf stage on the main stem.

fenoxaprop (Double Check, Parity, Tacoma, Puma)

Rate 0.041 to 0.0825 lb ai/A fenoxaprop (0.33 to 0.66 pt/A of Double Check, Parity, Puma or Tacoma (1EC))

Time Apply from barley emergence up to the five-leaf stage but before the jointing stage, and when grass weeds are in the one-leaf (fully expanded) to advanced tillering stage. Windgrass will be controlled from emergence to 3 inches tall.

Postemergence

mesosulfuron + thiencarbazone (Osprey XTRA)

Rate 0.013 to 0.018 lb ai/A (3.2 to 4.75 oz/A Osprey XTRA)

Time Apply to winter wheat from wheat emergence to the two-node stage. Apply to wild oat from one-leaf to two-tiller growth stage, and to windgrass up to 3 inches. See label for application timing and weed size.