Plant Pathology
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Drip, trickle, microemitters, and subsurface irrigation systems are considered low-volume irrigation. Low-volume irrigation systems are designed to improve irrigation efficiency, delivering water to the crop accurately with minimal water loss. Irrigation efficiency can be categorized into two main concepts: water loss and uniform application. If water loss is significant, or application uniformity is poor, efficiency will be low. Generally, the most significant loss of irrigation water is from overwatering, where the water percolates below the root zone, or from runoff. With good management, losses due to leaks, system drainage, and flushing of filters and lateral lines should not exceed 1%. Low-volume systems have the opportunity to achieve efficiency, and under careful management, will minimize losses from overirrigation. However, using low-volume systems requires increased irrigation frequency and soil moisture monitoring should be used to improve water-use efficiency. This publication covers system design, system efficiencies, components, chemical applications, diseases related to irrigation, and soil moisture monitoring.
Wesley Porter, Jonathan E. Oliver, and Erick Smith
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This publication includes a summary of the impact of plant disease on the major crops produced in Georgia. It’s published annually by the Department of Plant Pathology and is compiled based on input from department Extension personnel.
Harald Scherm and Elizabeth L. Little
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Georgia ranks in the nation’s top 10 in cowpea (southern pea, Vigna unguiculata) production, with estimates of more than 4,900 acres grown in approximately 49 of 159 counties in the state in the 2014 production season. Colquitt County, located in southwest Georgia, leads the state in production with 1,900 acres. This cowpea crop profile is the first in the Southeast United States and will support cowpea growers, pest manager, and state research and Extension grant proposal applications.
Ronald D. Gitaitis, Timothy Lane Grey, David G Riley, Esendugue Greg Fonsah, Alton N Sparks, Timothy Coolong, Jason Schmidt, Bhabesh Dutta, and Michael D Toews
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C 990
Soil Inoculants
Soil inoculants are used for a variety of reasons. In some cases, we add soil organisms that have a known beneficial effect. A symbiotic relationship is one that is mutually beneficial. In return for the plant feeding the rhizobia carbon from photosynthesis and giving it a home, the bacteria can “fix” atmospheric nitrogen into a form that the plant can use.
Julia W. Gaskin, Peter Gary Hartel, Elizabeth L. Little, and Glendon H. Harris
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The objective of this handbook is to provide rapid and extensive transfer of modern management technologies for small grain production. The intended audience includes Extension agents, industry personnel and dedicated producers.
G. David Buntin
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SB 63-10
2016 Tobacco Research Report
This report contains the most recent results of tobacco research programs at the University of Georgia in 2016.
Anna K Watson
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As farmers and farm advisers, you make many management choices during a growing season. For example, you may have to decide which cultivar to plant, which herbicide to use, how frequently to apply a fungicide, and what rate of nematicide to use. Often the information needed to make the best decision is available to you, but when it is not available you can frequently compare the options by conducting your own small experiments. Your experiments can be just as valid as any university study if you follow a few important principles of experimental design.
Richard F. Davis, Richard F. Davis, and Glendon H. Harris
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This annual publication is compiled by the Department of Plant Pathology based on input from department Extension personnel.
Elizabeth L. Little
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SB 63-9
2015 Tobacco Research Report
This report contains the most recent results of tobacco research programs at the University of Georgia in 2015.
Alexander S. Csinos, Ronald D. Gitaitis, Bhabesh Dutta, Unessee Hargett, and Anna K Watson
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