Tomato (Lycofiersicon esculewtum Mill.) plants were grown in controlled environments and subjected to different soil water regimes. At 3-, 5-, and 7-leaf growth stages, plants were fumigated with ozone at 50 or 100 pphm for 1 h.Plants at 5-or 7-leaf stage were not as sensitive to ozone as were the young plants fumigated at 3-leaf stage. At the 7-leaf stage, leaf injury at nearoptimum water condition was very minimal, even at ozone concentration of 100 pphm.Ok&e treatment decreased total dry matter of optimally watered plants fumigated at the 3-leaf stage. Plants subjected to water stress resulting in low ieaf relative turgidity-prior to ozoie fumigation, were considerably protected from ozone phytotoxicity.Open stomata were an important factor in ozone phytotoxicity.Post-fumigation water regimes had no effect on eventual leaf injury.

The main purpose of this study was to determine consumer preferences as influenced by type of packaging, size of container, and price when purchasing ornamental plants. From February to May 1991 over 1000 questionnaires were completed through personal on site interviews conducted at Flower/Garden shows and Garden Centers. Forty one percent of participants preferred to purchase their trees as balled in burlap form and 47% chose to buy their shrubs in containers. Shoppers purchased 60% of their nursery plants from Garden Centers followed by 22% at discount outlets such as K-mart. The most important factors in purchasing nursery stock were the price and quality of the plants followed by its size. Packing was an important factor but ranked much lower than price and quality.

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Consumer preferences as influenced by type of packaging, size of container, and price when purchasing landscape/nursery plants were determined. From February to May 1991, nearly 1,100 questionnaires were completed through personal on-site interviews conducted at flower/garden shows and traditional garden centers. Consumers preferred by almost a two to one margin to purchase trees as balled & burlapped stock and by almost a three to one margin, to purchase shrubs in containers. Over 90% of respondants normally purchased nursery plants from garden centers where they make 60% of their plant purchases. Almost half, 48.6% of these same respondants also purchased nursery plants from discount stores where they made 22.8% of their plant purchases. In 1990, 45% of those surveyed spent $100–500 for nursery stock. Respondants were willing to spend an average of $98 on a single tree. The most important factors in purchasing nursery stock were plant quality, availability of professional help, and plant selection. Plant cost and size were less important.

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