Plant Sciences Commons^™

Sp341-G Corn Earworm On Sweet Corn, The University Of Tennessee Agricultural Extension Service

Field & Commercial Crops

The corn earworm, Helicoverpa zea (Boddie), is the most serious insect pest of sweet corn in Tennessee. This pest feeds directly on the market product.

Pb1724-Maintaining Quality In On-Farm Stored Grain, The University Of Tennessee Agricultural Extension Service

Field & Commercial Crops

Industry concerns over grain quality, along with increased production of specialty, identity-preserved and food-grade crops, have placed increased focus on grain quality and storage issues. Most damage that occurs during storage is caused by molds and insects. Grain spoilage occurs as microorganisms feed on teh nutrients in the grain. As they grow and develop, these microorganisms produce heat, which increases the temperature of the surrounding grain. This heating may result in hot spots. If the temperature and moisture in the grain are just right, the major mold species Apergillus, Fusarium and Pencillum may produce mycotoxins such as aflatoxin, fumonisin, DON …

Interactions Among Western Corn Rootworm (Coleoptera: Chrysomelidae), Yellow Foxtail, And Corn, M. M. Ellsbury, K. R. Banken, S. A. Clay, F. Forcella

Agronomy, Horticulture and Plant Science Faculty Publications

Field studies at sites with two contrasting soil types investigated effects from the presence of yellow foxtail [Setaria pumila (Poir.) Roem. and Schult.], established in bands parallel to corn rows, on western corn rootworm (Diabrotica virgifera virgifera LeConte) survival, corn root injury, lodging, biomass production, and yield. Results suggested that the presence of foxtail as an alternate host inßuenced the degree and progression of corn rootworm damage and adult emergence in a givenlocality. Rootworm adults emergedlater from foxtail band areas and had smaller head capsule size than did individuals from areas without foxtail, consistent with earlier Þndings that foxtail in …

Survey Of Mosquitoes In High And Low Incidence Areas For West Nile Virus In Shelby County, Tennessee With Assessment Of Parity Rates, Host Selection, And Seasonal Abundance, David M. Sanders

Masters Theses

West Nile Virus (WNV) was reported as present in ShelbyCountyin 2001 with 44 blue jays testing positive for WNV. The first reported human WNV case had an onset date of 27 July 2002. There were 40 human cases in 2002, six of which were fatal. The 2002 human cases were clustered within the I-240 beltway, the older residential area of greater ShelbyCounty. Adult mosquito collections were made from the first week in June through the first week in November for 2003 and 2004. A representative site was selected from both the high and low human WNV incidence area of ShelbyCounty, …

Sp341-K Common Stalk Borer In Field Corn, The University Of Tennessee Agricultural Extension Service

Field & Commercial Crops

The common stalk borer in Tennessee is reported to attack several crops in addition to field corn. However, the preferred host of the insect is giant ragweed. This preference is due to the largeness of the stem in which the larvae can mature. Fields of corn planted into a no-till situation are preferred by the moths because of the grassy weeds in those fields. The adult moth deposits eggs on grassy weeds in the early spring. Later, the larvae will migrate to any corn planted in the fields.

Sp341-Y Western Corn Rootworm, The University Of Tennessee Agricultural Extension Service

Field & Commercial Crops

Three species of corn rootworms are found in Tennessee. The Western corn rootworm is the most destructive of the three species. This insect is now prevalent from Texas to the Dakotas, and has moved into Tennessee within the past 10 to 15 years. Until 1955, this rootworm was found in Nebraska, Colorado, Kansas, South Dakota and Iowa. The Western corn rootworm has traditionally moved into the territory of the Northern corn rootworm, which is also found in Tennessee.

Crop Updates 2005 Oilseeds, John Duff, Douglas Hamilton, Graham Walton, Hasan Zaheer, Neil Harris, Heather Cosgriff, Margaret C. Campbell, Bill Crabtree, R. F. Brennan, M. D. A. Bolland, P. M. Damon, Z. Rengel, Russel Speed, Neil Rothnie, John Simons, Ted Spadeck, John Moore, Brenda Coutts, Roger Jones, Neil Harris, Moin Salam, Ravjit Khangura, Art Diggle

Crop Updates

This session covers fifteen papers from different authors:

1. ACKNOWLEDGEMENTS, Douglas Hamilton, FARMING SYSTEMS DEVELOPMENT OFFICER

CROP AGRONOMY AND NUTRITION

2. Canola workshop at Crop Updates 2005, Oilseeds WA, John Duff, EXECUTIVE OFFICER OILSEEDS WA

3. Comparison of IT and TT canola varieties in geographic zones of WA, 2003-4, Graham Walton and Hasan Zaheer, Department of Agriculture

4. Farmer scale canola variety trials in WA, 2004, Graham Walton, John Duff, Neil Harris and Heather Cosgriff, Oilseeds WA

5. Oilseed crops for industrial uses, Margaret C. Campbell, Centre for Legumes in Mediterranean Agriculture (CLIMA), Graham Walton,Department of Agriculture

6. …

Crop Updates 2005 - Cereals, Darsham Sharma, Brenda Shackley, Mohammad Amjad, Christine M. Zaicou-Kunesch, Wal Anderson, D. Tennant, Steve Penny Jr, Ben Curtis, Veronika Reck, Richard Richards, Gavin Knell, Steve Curtin, David Sermon, Alan Bedggood, T. B. Biddulph, T. L. Setter, J. A. Plummer, D. J. Mares, H. Khabaz-Saberi, I. Waters, G. Mcdonald, Harmohinder Dhammu, David Nicholson, Chris Roberts, Stephen Loss, Ross Brennan, Kith Jayasena, Eddy Pol, Simon Teakle, R. Loughman, C. Beard, B. Paynter, K. Tanaka, G. Poulish, A. Smith, Paul Damon, Zed Rengel, Lionel Martin, Narelle Hill, Ron Mctaggart, Ray Tugwell, Geoff Thomas, Manisha Shankar, John Majewski, D. Foster, H. Golzar, J. Piotrowski, Rob Grima, Jeff Russell, Angie Roe, Vivien A. Vanstone, Sean J. Kelly, Helen F. Hunter, Mena C. Gilchrist, C. R. Newman, Svetlana Micic, Phil Michael, Gabrielle Coupland, Ern Kostas, Mohammed Hamza, Tina Botwright Acuña, Len Wade, Ingrid Richardson

Crop Updates

This session covers thirty six papers from different authors:

WHEAT AGRONOMY

1. Optimum sowing time of new wheat varieties in Western Australia, Darshan Sharma, Brenda Shackley, Mohammad Amjad, Christine M. Zaicou-Kunesch and Wal Anderson, Department of Agriculture

2. Wheat varieties updated in ‘Flowering Calculator’: A model predicting flowering time, B. Shackley, D. Tennant, D. Sharma and C.M. Zaicou-Kunesch, Department of Agriculture

3. Plant populations for wheat varieties, Christine M. Zaicou-Kunesch, Wal Anderson, Darshan Sharma, Brenda Shackley and Mohammad Amjad, Department of Agriculture

4. New wheat cultivars response to fertiliser nitrogen in four major agricultural regions of Western Australia, Mohammad Amjad, …

Letter From The Dean, Gregory J. Weidemann

Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences

No abstract provided.

Contents, Discovery Editors

Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences

No abstract provided.

Discovery: The Student Journal Of Dale Bumpers College Of Agricultural, Food And Life Sciences - Volume 6 2005, Several Authors

Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences

No abstract provided.

Instructions For Authors, Discovery Editors

Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences

No abstract provided.

Ecological Costs And Benefits Of Defenses In Nectar, Lynn Adler, Rebecca E. Irwin

Lynn Adler

The nectar of many plant species contains defensive compounds that have been hypothesized to benefit plants through a variety of mechanisms. However, the relationship between nectar defenses and plant fitness has not been established for any species. We experimentally manipulated gelsemine, the principal alkaloid of Carolina jessamine (Gelsemium sempervirens), in nectar to determine its effect on pollinator visitation, nectar robber visitation, and male and female plant reproduction. We found that nectar robbers and most pollinators probed fewer flowers and spent less time per flower on plants with high compared to low nectar alkaloids. High alkaloids decreased the donation of fluorescent …

2004 Wild Blueberry Project Progress Reports, Alfred A. Bushway, Rodney J. Bushway, Brian Perkins, Russ Hazen, Vivian Wu, Beth Bernier, Kristi Crowe, Darrell Donahue, Frank Drummond, Judith Collins, Floyd Dowell, Mary Ellen Camire, Dorothy J. Klimis-Zacas, Gordon Starr, David E. Yarborough, Seanna L. Annis, Constance S. Stubbs, Kerry F. Lough, John M. Smagula, Ilse W. Fastook, Qian Wang

Wild Blueberry Research Reports

The 2004 edition of the Wild Blueberry Project Progress Reports was prepared for the Wild Blueberry Commission of Maine and the Wild Blueberry Advisory Committee by researchers at the University of Maine, Orono. Projects in this report include:

1. Determination of Pesticide Residue Levels in Freshly Harvested and Processed Lowbush Blueberries

2. Effect of Wild Blueberry Products on Physical, Chemical, Microbiological and Sensory Quality of Soy-Based and Ground Beef Patties

3. Evaluation of Emerging Disinfection Technologies for Wild Blueberry Processing

4. Detection of Infested Blueberries using Near-Infrared Spectroscopy-Spectra Collection

5. Health Claims for Wild Blueberries

6. Wild blueberries and Arterial …