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Ursula K. Schuch, John F. Karlik, and Charlene Harwood

Moisture loss from bare-root plants during postharvest handling and storage can have a significant impact on plant survival and growth during establishment. Three film-forming antitranspirants and hot wax were applied to bare-root roses (Rosa) packaged after harvesting from the field and before 13 weeks of –2C storage to determine effects on vegetative growth and flowering. Subsequently, during 15 days under simulated display conditions (22 to 32C), plants treated with hot wax resumed growth at the fastest rate compared to control or antitranspirant treatments. Hot-wax-treated plants remained at an advanced phenological stage compared to the other plants for 2 weeks following transplanting in the field. For the remaining 10 weeks of the experiment, vegetative growth and flowering development were similar for all treatments. More than 60% of the plants treated with hot wax developed moderate to severe cane damage and plant dieback. Less than 20% of the antitranspirant-treated plants were damaged. A laboratory experiment confirmed that hot wax treatment was most effective; it reduced weight loss from stem sections by 85% relative to the control. The other antitranspirants reduced weight loss by 27%.

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W. Carroll Johnson III, David B. Langston Jr., Daniel D. MacLean, F. Hunt Sanders Jr., Reid L. Torrance, and Jerry W. Davis

.L. Torrance, unpublished data). The two most costly inputs into organic Vidalia ® sweet onion production are cost of transplants ($1801/acre) and weed control ($1502/acre), with weed control costs largely because of handweeding. In addition to being costly

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Vincent M. Russo

develop after being established in the field. In some, but not all, onion planting areas ( Boyhan et al., 2001a ), seedlings are established in the field with a mechanical transplanter. If this is the case, the planting material must be compatible with the

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Michael W. Smith, William D. Goff, and M. Lenny Wells

regarding performance of transplanted trees into an existing orchard. Concerns include transfer of crown gall from stumps of removed trees or remaining old trees and negative impacts of stumps or remaining trees on growth of transplanted trees. Because

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Edward F. Durner, E. Barclay Poling, and John L. Maas

Plugs are rapidly replacing fresh-dug bare-root and cold-stored frigo plants as transplants for strawberry (Fragaria × ananassa) production worldwide. Plugs have many advantages over these other types of propagules. They are grown in controlled environments (greenhouses, tunnels) in less time than field produced bare-root transplants, and are not exposed to soilborne pathogens. Plugs afford greater grower control of transplanting dates, provide mechanical transplanting opportunities and allow improved water management for transplant establishment relative to fresh bare-root plants. New uses for plugs have been identified in recent years; for example, photoperiod and temperature conditioned plugs flower and fruit earlier than traditional transplants and plugs have been used for programmed greenhouse production. Tray plants have superior cold storage characteristics relative to bare-root, waiting-bed transplants. Both fresh and frozen plugs are used in a number of indoor and outdoor growing conditions and cultural systems.

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James A. Schrader, Gowrishankar Srinivasan, David Grewell, Kenneth G. McCabe, and William R. Graves

.O. Plastics, Inc., Clearwater, MN) to ≈5 cm height, transplanted into soy-plastic containers and petroleum-plastic control containers filled with Sunshine ® LC-1 soilless substrate (SunGro Horticulture, Bellevue, WA), and grown in a glass-glazed greenhouse

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Shinsuke Agehara

Transplanting results in transplant shock in seedlings, limiting stand establishment and productivity of many vegetable crops ( Agehara and Leskovar, 2012 ; Vavrina, 2002 ). Transplant shock is caused by various types of abiotic stress occurring

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Thierry E. Besançon, Baylee L. Carr, and Albert Ayeni

information is needed to develop weed control packages for optimum weed management of the crop to maximize tuber yield and quality. This research aimed to evaluate the influence of different preemergence (PRE) herbicides applied at transplanting of two

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Charles S. Vavrina and William Summerhill

Thirty-four operators produced > 1.15 billion vegetable transplants in Florida in the 1989-90 season. Sales, concentrated in the winter and spring, were estimated at $30 million. Firms in the industry also made additional sales of ornamental and agronomic plants. Nine large firms accounted for 88% of all transplants produced. More than 109 acres (44 ha) of greenhouse area are allocated to containerized vegetable production. The majority (83%) of Florida s vegetable transplants were from three crops--tomatoes (45%), peppers (28%), and cabbage (10%). Only 36% of the transplants produced in the state were shipped out-of-state. This report discusses various facets of production, marketing, labor, and general business conditions of the containerized vegetable transplant industry.

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Gregory E. Welbaum, Jonathan M. Frantz, Malkanthi K. Gunatilaka, and Zhengxing Shen

in part by Southern States Cooperative, Richmond, Va. We thank Arthur Pfister for help with field plot preparation and transplanting. Mention of a trademark, proprietary product or vendor does not constitute a guarantee or warranty of the product by