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Patricio A. Brevis, Nahla V. Bassil, James R. Ballington, and James F. Hancock

Ballington, 1986 ). During 100 years of blueberry improvement, homoploid and heteroploid interspecific hybridizations have been used extensively to combine useful traits found in the primary gene pool and to incorporate novel traits from wild germplasm. Wide

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Timothy F. Wenslaff and Paul M. Lyrene

Two diploid yellowleaf Vaccinium elliottii Chapmn. clones were pollinated with pollen from the tetraploid southern highbush cultivar `Misty' (largely V. corymbosum L). These interspecific crosses, which normally yield few hybrids because of a triploid block, were made with and without the use of V. elliottii mentor pollen mixed with V. corymbosum pollen. Mentoring had no effect on the number of hybrids produced when V. elliottii `Silverhill' was the seed parent, but when V. elliottii `Oleno' was the seed parent, no hybrids were produced unless mentor pollen was utilized. The difference was postulated to be a greater ability to produce one-seeded berries in `Silverhill' than in `Oleno'.

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Joseph Tychonievich and Ryan M. Warner

and other species of Salvia are widely used horticulture crops, the diversity of the genus represents a largely untapped resource for crop improvement, which might be accessed by means of interspecific hybridization. There are a number of known

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Ryan N. Contreras, Thomas G. Ranney, and Shyamalrau P. Tallury

cultivars resulting from wide hybridization to create fertile allotetraploids has been used in a number of crops with varying success. Zadoo et al. (1975) reported an increase of pollen staining from 0% in diploids to a range of 91% to 98% in three induced

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Liuhui Yang, Jianjun Zhang, Jaime A. Teixeira da Silva, and Xiaonan Yu

hybrid group (HG) uses P. lactiflora , P. officinalis , P. macrophylla , and other species as the parents, whereas members of the Itoh group (IG) are the product of distant hybridization in which peony (section Paeonia ) served as the female parent

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Peter J. Leonard, Mark H. Brand, Bryan A. Connolly, and Samuel G. Obae

European Sorbus aucuparia L., and other members of the subtribe Pyrinae, Rosaceae ( Michurin, 1948 , 1949 ). The Pyrinae is a group in which wide hybridizations and allopolyploidy have been important factors in speciation ( Campbell and Wright, 1996

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James W. Olmstead, Hilda Patricia Rodríguez Armenta, and Paul M. Lyrene

.R. Hancock, J.F. 2008 Impact of wide hybridization on highbush blueberry breeding J. Amer. Soc. Hort. Sci. 133 427 437 Brooks, S.J. Lyrene, P.M. 1998a Derivatives of Vaccinium arboreum × Vaccinium section Cyanococcus : I. Morphological characteristics J

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James F. Hancock, Chad E. Finn, James J. Luby, Adam Dale, Pete W. Callow, and Sedat Serçe

chiloensis and North American F. virginiana Miller subsp. virginiana accidentally hybridized in European gardens ( Darrow, 1966 ). The systematic breeding of strawberries was started in England in 1817 by Thomas A. Knight using only a small number of

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Hamidou F. Sakhanokho and M. Nurul Islam-Faridi

Solanum aethiopicum is a member of the family Solanaceae and native to Africa. Cultivated S. aethiopicum is the result of a domestication process involving hybridization of its ancestors, Solanum anguivi and the semidomesticated Solanum

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Jason D. Lattier, Thomas G. Ranney, Paul R. Fantz, and Tony Avent

demonstrated that hybridization between tetraploid L. spicata and diploid Ophiopogon may be occurring naturally in the wild, suggesting new possibilities for breeding between genera in liriopogons. However, breeding systems and cytogenetics of liriopogons