Horticulture
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Note: This publication contains data from an average of the 2020-21 and 2021-22 orange harvest seasons (exceptions noted in the chart). The commercial citrus industry in Georgia has only recently been established, with most groves planted after 2014. As of 2022, approximately 75% of the 3,300 acres of citrus planted in Georgia are satsumas, but that proportion is trending downward. To strengthen the new Georgia citrus industry, growers recently have begun to diversify their citrus varieties. Research is being conducted to determine how these varieties will perform under Georgia weather and soil conditions: which varieties can best tolerate Georgia’s winter weather, and what are the cultural norms such as maturation time, fruit quality, and insect and disease tolerance. This publication is associated with Circular 1275, the initial publication containing reference photos for the varieties tested.
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B 1357
Growing Bamboo in Georgia
This booklet is written in an attempt to filter through much of the available information and make a simple, user-friendly information guide on growing bamboo in Georgia, which has a wide variety of soils and temperate zones.
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B 737
Growing Ferns
Ferns became popular indoor plants during the Victorian Era. Today, they are used as specimens in atriums, greenhouses and conservatories, and we find them in the smallest apartments and the largest homes. They offer a quiet, graceful beauty by softening landscapes indoors and out.
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B 790
Geraniums
Geraniums are among the most popular flowering plants grown in the United States. They are easy to grow and can be used in many types of gardens, such as ground beds, planter boxes, hanging baskets and pots. They are ideal for flanking entrance-ways and adding color to border plantings. This publication explains everything you need to know about growing geraniums.
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Vinca is a specialty ornamental crop with very distinct requirements. This bulletin will address those requirements and cover a typical production schedule and crop budget.
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The Athena bunch wine grape training system was developed by the University of Georgia to increase crop yield in modest-yielding cultivars. The Athena is a divided-canopy system retrofit to the industry standard single-canopy trellising system with vertical shoot positioning. Athena training involves laying four canes and dividing the canopy through a series of cross arms fastened to the vineyard posts in a V-shape. The goal of this publication is to educate new growers, seasoned industry members, and Extension agents on the Athena training system for bunch wine grapes.
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There are two main trellising system categories: divided and single canopy. Jerry Watson, a grape grower and owner of Austin County Vineyards in Cat Spring, Texas, developed the divided canopy “Watson System” in 2002 to solve some issues he was having with bunch rot management and harvest inefficiency in his ‘Blanc Du Bois’ and ‘Lenoir’ vineyards. By adding a series of cross arms and catch wires to his high wire system, Jerry was able to improve spray penetration to the fruit zone and increase picking efficiency at harvest. The Watson hardware and wires separate clusters from the canopy foliage and limit cluster touching compared to a standard, single high wire system. The Watson system has since been employed in the Southeastern U.S. and can be found as far west as California. The Watson system is currently used for training hybrid and trailing grape cultivars such as, but not limited to, ‘Blanc du Bois’, ‘Norton’, ‘Lenoir’, ‘Lomanto’, ‘Crimson Cabernet’, and ‘Villard blanc’. A high wire-trained vineyard, such as those planted with ‘Chambourcin’, ‘Seyval blanc’, ‘Vidal blanc’, ‘Traminette’, and other cultivars could be retrofitted to Watson training with success. Future research will evaluate hybrid and Vitis vinifera cultivars that have yet to be evaluated for training on the Watson system.
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When space is limited, a plentiful supply of crops such as tomatoes, peppers, eggplant and okra can be grown with a few properly cared-for plants.
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The commercial citrus industry in Georgia has only recently been established, with most groves planted after 2014. Initially, satsuma mandarins (Citrus unshiu) on trifoliate rootstocks (Poncirus trifoliata) were planted for their cold-hardiness, seedlessness, and ease of peeling. Satsuma fruits begin to attain commercial maturity in early November and usually avoid hard freezes in southern Georgia. As of 2022, approximately 75% of the 3,300 acres of citrus planted in Georgia are satsumas, but that proportion is trending downward. To strengthen the new Georgia citrus industry, growers recently have begun to diversify their citrus varieties. Little is known about how these varieties will perform under Georgia weather and soil conditions. Therefore, research is necessary to determine what varieties can best tolerate Georgia’s winter weather and to determine cultural norms such as maturation time, fruit quality, and insect and disease tolerance. This publication is associated with Circular 1275, the initial publication containing reference photos for the varieties tested.
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