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Poster Session 23—Vegetable Crops: Cultivar Evaluation 19 July 2005, 1:15–2:00 p.m. Poster Hall–Ballroom E/F

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The genus Salix L. (Salicaceae Mirb., willow) comprises ≈450 species ( Argus, 2010 ) with numerous subspecies, varieties, forms, natural and artificial hybrids, and cultivars. Genus diversity and a wide natural distribution from the tropics to the

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Huylenbroeck and Van Bockstaele, 2001 ; Stuefer and Huber, 1998 ). For breeding programs, turfgrass cultivars, and novel turfgrass accessions must be evaluated to improve on specific traits. Typically, these collections are subjected to rigorous selection

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production chain of sweet peppers and, as sweet pepper crops of different growers are synchronized, it causes fluctuations in the price of sweet peppers as well ( Gottschall, 2001 ). Sweet pepper cultivars are known to differ in fruit set percentage

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has been identified, as Nuessly and Nagata (1994) reported that ‘Valmaine’, a romaine lettuce cultivar, had a high level of resistance to SL. This cultivar was later found to be resistant to BCB ( Huang et al., 2002 ; Sethi et al., 2008 ) and two

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in the collection of date palm cultivar samples. We also recognize partial financial support from the Univ. of California, Genetic Resources Conservation program.

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elderberry has been studied only marginally. A few improved cultivars were introduced from southeast Canada and New York many decades ago ( American Society for Horticultural Science, 1997 ). Only a handful of minor, dated reports ( Craig, 1978 ; Hill, 1969

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growers in cold climates ( Kronenberg 1975 ). Planting date and cultivar selection affect total yield potential, timing of bud enlargement, and optimal harvest date ( Everaarts and Sukkel 1999 ). The commercial availability of cultivars has changed

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., 2012 ). Additionally, SSRs have been used to demonstrate that well-known cultivars such as Picual and Arbequina are self-incompatible ( Díaz et al., 2006b ). As a consequence, paternity testing with SSRs is considered a very useful tool in olive

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had crowns larger than 8 or 10 mm. The early planting for each cultivar corresponded with the time that the transplants are first available from the strawberry nurseries. ‘Florida Fortuna’ known as ‘Florida Radiance’ in the United States was developed

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