@article{carlson_dole_matthysse_hoffmann_kornegay_2015, title={Bacteria species and solution pH effect postharvest quality of cut Zinnia elegans}, volume={194}, ISSN={["1879-1018"]}, DOI={10.1016/j.scienta.2015.07.044}, abstractNote={Bacterial growth in vase solutions can lead to stem vasculature blockage causing petal and leaf wilt, bent neck, or similar symptoms related to water stress that reduce vase life. In these studies we isolated, identified, and evaluated the effects of several bacteria species on the vase life of cut Zinnia elegans L. ‘Benary’s Giant Wine’. Nine bacterial species were isolated during postharvest testing of cut zinnia stems: Pseudomonas fulva, Serratia ficaria, Rhizobium radiobacter, Chryseobacterium sp., Pantoea ananatis, Bacillus pumilus, Chryseobacterium daejeonense, Brevundimonas sp., and Pseudomonas marginalis and pure cultures of each species were added to the vase solution of cut zinnia stems. Escherichia coli K12, a lab adapted strain, was also included. Cut flowers inoculated with P. fulva and E. coli K12 had significantly greater vase lives of 9.5 and 9.4 d, respectively, compared to P. marginalis, P. ananatis, R. radiobacter, or the nutrient broth control (7.0, 6.9, 6.8, or 7.3 d, respectively). The vase lives of the other bacteria treatments were not statistically different from the deionized (DI) water control (8.6 d). There were no significant differences in water uptake or vase water bacteria concentrations at termination among all treatments. In further studies, sterilized and non-sterilized stems of Zinnia were used to investigate the effects of solution pH and the addition of P. marginalis and E. coli K12 on number of days to drought stress (DTDS), stem hydraulic conductivity, and bacteria concentrations inside and outside the stem. The non-sterilized stems in control solution with E. coli K12 and non-sterilized stems in preservative solution with no bacteria had the most DTDS of 8.0 d. The sterilized stems in the control solution (deionized water) with E. coli K12 and sterilized stems in basic solution with no bacteria had the least DTDS of 5.5 d and 5.8 d, respectively. The concentrations of bacteria inside and outside the stems were lowest for stems in the preservative solutions. Of the stems that were sterilized, partial percent loss of conductivity (PPLC) was significantly lower in the acidic solutions (64%) compared to the preservative (87%) and control (83%). This research shows that for Zinnia the bacteria species that has a primary effect on vase life, not necessarily the concentration of bacteria in the vase solution.}, journal={SCIENTIA HORTICULTURAE}, author={Carlson, Alicain S. and Dole, John M. and Matthysse, Ann G. and Hoffmann, William A. and Kornegay, Julia L.}, year={2015}, month={Oct}, pages={71–78} }
 @article{dole_carlson_granitz_mccall_kornegay_2015, title={Vase Life of New Cut Flowers}, volume={1097}, ISSN={["0567-7572"]}, DOI={10.17660/actahortic.2015.1097.6}, journal={VIII INTERNATIONAL SYMPOSIUM ON NEW ORNAMENTAL CROPS AND XII INTERNATIONAL PROTEA RESEARCH SYMPOSIUM}, author={Dole, J. M. and Carlson, A. S. and Granitz, H. M. and McCall, I. F. and Kornegay, J. L.}, year={2015}, pages={55–61} }
 @article{reganold_jackson-smith_batie_harwood_kornegay_bucks_flora_hanson_jury_meyer_et al._2011, title={Transforming U.S. Agriculture}, volume={332}, ISSN={["1095-9203"]}, DOI={10.1126/science.1202462}, abstractNote={Achieving sustainable agricultural systems will require transformative changes in markets, policies, and science. Agriculture in the United States and many other countries is at a critical juncture. Public investments and policy reforms will inform landscape management practices to be used by farmers and ranchers for sustaining food and ecosystem security. Although U.S. farms have provided growing supplies of food and other products, they have also been major contributors to global greenhouse gases, biodiversity loss, natural resource degradation, and public health problems (1). Farm productivity and economic viability are vulnerable to resource scarcities, climate change, and market volatility (2). Concerns about long-term sustainability have promoted interest in new forms of agriculture that (i) enhance the naturalresource base and environment, (ii) make farming financially viable, and (iii) contribute to the well-being of farmers, farm workers, and rural communities, while still (iv) providing abundant, affordable food, feed, fiber, and fuel.}, number={6030}, journal={SCIENCE}, author={Reganold, J. P. and Jackson-Smith, D. and Batie, S. S. and Harwood, R. R. and Kornegay, J. L. and Bucks, D. and Flora, C. B. and Hanson, J. C. and Jury, W. A. and Meyer, D. and et al.}, year={2011}, month={May}, pages={670–671} }