Turfgrass
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Annual bluegrass (Poa annua L.) is a problematic winter annual weed in residential turf. Compared to most turfgrasses, annual bluegrass has a lighter green color, coarser leaf texture and produces unsightly seedheads. Contrary to its name, both annual (live for one season) and perennial (live for many seasons) biotypes of annual bluegrass may be found in turf. This publication describes methods of control for annual bluegrass in residential turfgrass lawns.
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This publication discusses ways to identify and control Virginia buttonweed, a troublesome broadleaf weed in turfgrasses throughout the Southeast.
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Foxtails (Setaria spp.) are invasive weeds in pastures and hayfields. The competitive growth of foxtails with pasture specie causes stand thinning and reductions in hay yields. Foxtails may be grazed in spring prior to inflorescence development. However, the production of seedheads is concerning in summer due to the sharp awns that can damage the gums of livestock. Hayfield growers are also concerned about the economic impact of foxtails on yield and hay quality. This publication discusses the identification of foxtail species along with cultural and chemical control options.
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Annual bluegrass (Poa annua) is the most problematic winter weed of lawns in Georgia. Plants have a light green color, coarse leaf texture, and produce unsightly seedheads. Annual bluegrass germinates in fall, overwinters in a vegetative state, and resumes active growth in spring. Competitive growth of populations causes stand thinning of desirable turfgrasses that may predispose lawns to invasion by summer annual weeds, such as crabgrass (Digitaria spp.). Annual bluegrass typically dies out by May in Georgia, but cool temperatures in spring and regular irrigation may extend survival of populations into early summer.
Annual bluegrass is the most problematic winter weed of lawns in Georgia. Turf managers have experienced difficulty controlling annual bluegrass due to the spread of biotypes with resistance to pre- and post-emergence herbicides. This publication covers annual bluegrass identification, establishment, and cultural control for lawns. The development, detection, and control of herbicide-resistant annual bluegrass is also discussed.
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SB 48-11
Turf
This section of the Home & Garden Edition covers insect, disease, and weed control in home turfgrass. Care should be taken when using insecticides around any flowering plants when bees are actively foraging. Timing sprays for late afternoon and evening will minimize risks from broad-spectrum contact insecticides. Beginning in 2022, the Home & Garden Edition has been updated biennially. When purchasing a product based on a first-year recommendation of the Handbook, check the current product label before purchase to be sure it is still labeled for the use for which you are buying it. For pesticide products you have on hand from earlier purchases, you are allowed to use them until they are depleted without penalty under the law. Always follow label instructions before use. Contact the product’s manufacturer for the most up-to-date label.
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AP 130-2-12
Green Industry 2024
1. 2023 was a good year for many green industry firms, but not as good as 2020–2022.
2. The unknowns going into 2024 include higher inflation and interest rates, mixed signals within the economy, increased input costs, and variability in the housing market.
3. Green industry sales in Georgia are projected to be lower than 2023 levels.|
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Georgia’s nurseries, greenhouses and turfgrass businesses are major contributors to Georgia’s growing economy, to the beauty of Georgia homes and businesses, and to a better quality of life. When used appropriately, the products and services provided by these businesses enhance the environment of their customers. Thus, it only makes sense that these businesses should use management practices that are not damaging to natural resources and the environment. This publication is one tool that green industry companies can use to evaluate their management practices and design strategies for environmental compliance and pollution prevention.
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AP 130-1-12
Green Industry 2023
1. 2022 was a good year for many green industry firms, with many firms
seeing increased profits.
2. There are many unknowns going into 2023 that will impact green
industry sales, including higher inflation and interest rates, mixed signals
within the economy, and the impact of varying strength of the housing
market in Georgia.
3. Green industry sales in Georgia are projected to be similar to 2022 levels.|
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Bahiagrass (Paspalum notatum Flugge) is a long-lived, perennial warm season grass that is grown extensively in the southeastern United States. It is most commonly used as a pasture species, but can be used for hay production, erosion control, and wildlife habitat. Bahiagrass can also be used in “sod-based rotation” sequences that have been found to suppress pest problems (nematode and disease issues) in crops such as peanuts.
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