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surfactants ( Caupin, 1997 ). The production of castor oil, however, is hampered by the presence of the toxin ricin and hyperallergic 2S albumins in its seed. Lesquerella fendleri (L.) (Brassicaceae), being developed as a new industrial oilseed crop in the

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the Garden Seed Research Committee American Seed Trade Association


Eighteen prior lists of new vegetable varieties introduced since 1936 were published in Vols. 63, 65, 67, 69, 70, 75, 77, 82, 84, 86, 88, 90 and 92 of Proceedings of the American Society for Horticultural Science, and Vols. 4(1), 5(3) and 6(2) of HortScience. A compilation of list I through XV entitled Descriptive List of Vegetable Varieties was published jointly by the American Seed Trade Association, Inc. and the American Society for Horticultural Science in September 1972 and can be obtained from either organization.

The following abbreviations are used: exp. desig.–experimental designation; orig.–originated at or by; intr.–introduced by; par.–parentage or parents; char.–outstanding characteristics; res.–resistant to; tol.–tolerant to; sim .–similar to or resembles; sel.–selection or selected; adapt.–adapted to or adaptation.

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most important fresh vegetable in the country ( USDA, 2007 ). Lettuce seed quality is important because it affects seedling emergence and uniformity of growth, which is fundamental for attaining high yield and quality in a single harvest ( Smith et al

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Lettuce is an important salad crop that is grown year-round in the United States from either direct seeding or transplants. In both cases, lettuce seeds are often exposed to higher than the optimal temperatures, which results in poor and

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. It bears large clusters of creamy white flowers in early summer and produces seed panicles, which have a slight ornamental appeal. Japanese tree lilac cultivars grown from seed are not true to parent and require clonal propagation for commercial

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This article is a record of my experience with commercial seed coating. It is neither a survey of the literature nor a statistical comparison of experimental and commercial coatings. Instead, the intent is to provide a

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Africa, Thailand, America, Israel, Mauritius, and Mexico ( Chen et al., 2013 ). Litchi is generally propagated by seeds, stem cuttings, grafting, marcottage, and stooling. However, new litchi cultivars with improved and desired characteristics can only be

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Watermelon is an important species of the genus Citrullus ( Robinson and Decker-Walters, 1997 ) known mainly for its sweet, edible flesh. However, in Asia and West Africa, watermelon seeds are consumed in a wide variety of foods including snacks

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Lettuce ( Lactuca sativa L.) is one of the most commonly cultivated fresh vegetable crops in the world and its establishment requires high-quality seeds. Lettuce seed thermoinhibition (inability to germinate at high temperatures) and

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