513 Simulated Shipment of Fresh-market Tomatoes Utilizing Controlled Atmosphere

Evaluation of Trichoderma harzianum Strains to Control Crown and Root Rot of Greenhouse Fresh Market Tomatoes

Greenhouse tomato growers in the United States have few products available for chemical control of plant pathogens. Biological control of soilborne plant pathogens by antagonistic microorganisms is a potential alternative to the use of chemical pesticides during greenhouse production. Biological control experiments were conducted to test the effects of commercial and noncommercial strains of Tr...

The international competitiveness of fresh tomatoes , peppers and cucumbers

Evaluation of action threshold-based insecticide spray programs for tomato fruitworm management in fresh-market tomatoes in Virginia

Action threshold-based insecticide spray regimens were evaluated for control of tomato fruitworm (Helicoverpa zea [Boddie]) in freshmarket tomatoes in eastern Virginia in 1998 and 1999. The initial foliar-applied insecticide spray was made based on the presence of X1 H. zea egg on either X2%, X10% or X20% of plants sampled, while subsequent sprays were made on either a weekly basis or only if X...

Shelf Life Determination of Fresh Blueberries (Vaccinium corymbosum) Stored under Controlled Atmosphere and Ozone

Fresh blueberries are commonly stored and transported by refrigeration in controlled atmospheres to protect shelf life for long periods of storage. Ozone is an antimicrobial gas that can extend shelf life and protect fruit from microbial contamination. Shelf life of fresh highbush blueberries was determined over 10-day storage in isolated cabinets at 4°C or 12°C under different atmosphere condi...

Scheduling Utilizing Market Models

Tliis paper presents an approach to Job shop scheduliiig based on fictive markets. Various, ofteii conflicting goals aiid iiiterests influeiice the scheduling process in pratice. Markets seeni to offer Instruments to balance such interests. In the approach described below, Job and Resource agents act äs buyers and sellers of allocations in a fictive market, their budget and cost calculatious re...