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of genome size as it relates to legume systematics and taxonomy. Most aspects of legume biology, from ploidy number to floral diversity, can be further examined through the evolutionary relationships that exist among leguminous taxa ( Young et al

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green. Our hypothesis was that a difference in ploidy level among cultivars is related to the variation in winter color and that cultivars that remain greener during winter were tetraploids. The current study was conducted to determine the ploidy level

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of ploidy is important for plant breeders, as it can influence crossability, fertility of progeny, segregation of traits, and gene expression. There is limited information on the cytogenetics of aucuba. Some species, including A. chinensis

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information available for Bletilla , we carried out a study on the ploidy level, chromosome number, and genome size. Our research aims to provide important information for the further reservation and development of the important medicinal resource of

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have focused most attention on L. camara. Patermann (1938) was the first to report a chromosome number for the Lantana genus, identifying L. trifolia as 2 n = 48. Since then, a range of ploidy levels have been identified in L. camara , from 2

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name. The most recent study of ploidy differences within H. macrophylla was reported by Zonneveld (2004) . Propidium iodide-stained nuclei of 25 H. macrophylla ssp. macrophylla and 18 H. macrophylla ssp. serrata taxa were examined using

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rose ploidy level, this would help breeders develop disease-resistant cultivars more efficiently because of a greater likelihood of reproductive success. Preferential crossability and fertility as a consequence of ploidy level has been well documented

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could become contaminated by germinating seedlings if zoysiagrass inflorescences were allowed to mature. The objective of this study was to determine the genetic variability and ploidy variation within vegetatively propagated zoysiagrass cultivars

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‘Mario Pollsa’ porterweed ( Stachytarpheta spp.). Through controlled crosses, the potential for nettleleaf porterweed to hybridize with jamaican porterweed was realized. However, there is a lack of information, such as ploidy level and pollen

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have been identified (Glyn Church, personal communication). The objectives of this study were to examine ploidy levels of Dichroa selections, evaluate the genetic diversity within the available Dichroa germplasm, determine if naturally occurring

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