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Elvis A. Takow, Edward W. Hellman, Andrew G. Birt, Maria D. Tchakerian, and Robert N. Coulson

variability on maps enable the user to characterize an AVA for any or all of the environmental factors represented by dynamic layers, and to examine spatial relationships among factors. AVATXIS was used in this way to extract spatial environmental data to

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Ryan N. Contreras, Ron Determann, and Mara Friddle

). Winter browning is highly variable among ornamental cultivars of japanese-cedar. Rouse et al. (2000) described 45 cultivars of japanese-cedar growing in the eastern United States including variability in foliage color during winter from brown to dark

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Peter B. Ojong, Victor Njiti, Zibao Guo, Ming Gao, Samuel Besong, and Sandra L. Barnes

., 1999 ). Although studies have confirmed the presence of flavonoids in sweetpotato [ U.S. Department of Agriculture (USDA) 2003 ], there has been no systematic study of natural flavonoid variability among different sweetpotato accessions and distribution

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Arnold W. Schumann

-specific management (SSM) is a crop management strategy of PA that addresses within-field variability by optimizing inputs such as pesticides and fertilizers on a point-by-point or small area basis. Thus, nutrients are applied only as needed within a field, rather

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Àngel Fernández i Martí, José M. Alonso, María T. Espiau, María J. Rubio-Cabetas, and Rafel Socias i Company

Agronomique (INRA) in France. As a result of all these introductions, the CITA almond collection shows a very large variability, reflecting the wide genetic diversity of its accessions from all over the world ( Socias i Company and Felipe, 1992 ). Taking this

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Andrea L. Medina-Holguín, Sandra Micheletto, F. Omar Holguín, Jaime Rodriguez, Mary A. O'Connell, and Charles Martin

the southwestern part of North America and used by healers to treat a variety of ailments ( Medina et al., 2005 ), yet the variability and stability of the chemical composition of populations of A. californica used for medicine are largely unknown

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Jana Murovec

were used to evaluate genetic variability within and among 51 C. pepo accessions with wild-type or mutated seedcoats, the latter commonly referred to as hull-less seeds, thin-coated seeds, or naked seeds. These accessions are valuable resources for

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Jorge Andres Agustin, Matha Soto, Franco Famiani, and Juan Guillermo Cruz-Castillo

fruit is available from April to July. White sapote is propagated by seed and this leads to a wide variability among trees in Mexico. The fruit of C. edulis is harvested for fresh consumption and is frequently sold in local markets ( Andrés

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Michael Pillay and Robert Fungo

any breeding program aimed at increasing the micronutrient content of a crop is the screening of the germplasm. The extent of variability in the chemical composition of bananas will be useful for plant breeders and nutritionists who may wish to select

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Kirandeep K. Mann, Arnold W. Schumann, Thomas A. Obreza, and Jerry B. Sartain

The soils under Florida citrus production have very poor natural fertility. Furthermore, on some sandy soils, the problems of spatial variability in yield and soil properties are very common. The poor growth areas of a field have a much lighter soil