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José Cuenca, Pablo Aleza, José Juárez, José A. Pina, and Luis Navarro

.L. Gmitter, F.G. 2008 Origin and frequency of 2n gametes in Citrus sinensis × Poncirus trifoliata and their reciprocal crosses Plant Sci. 174 1 8 Esen, A. Soost, R.K. 1971 Unexpected triploids in citrus: Their

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Paul M. Lyrene

). Most hybrids between diploid and tetraploid Vaccinium species are tetraploid, due to the production of functioning 2 n gametes by the diploid ( Galletta, 1975 ). With so many species and sections, the number of potential intersectional cross

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Chunxian Chen and William R. Okie

expressed sequence tag-simple sequence repeat marker analysis J. Amer. Soc. Hort. Sci. 133 794 800 Chen, C. Lyon, M.T. O'Malley, D. Federici, C.T. Gmitter, J. Grosser, J.W. Chaparro, J.X. Roose, M.L. Gmitter, F.G. 2008b Origin and frequency of 2n gametes in

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Sandra M. Reed, Keri D. Jones, and Timothy A. Rinehart

of nuclear DNA were observed in hybrids involving ‘Kardinal’ and ‘Taube’ as the H. macrophylla parent, which may be the result of aneuploid or 2 n gametes produced from these triploid cultivars. However, all flow-cytometric results should be

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Chao Yu, Le Luo, Hui-tang Pan, Yun-ji Sui, Run-hua Guo, Jin-yao Wang, and Qi-xiang Zhang

521 536 Cairns, T. Young, M. Adams, J. Edberg, B. 2000 Modern roses XI: The world encyclopedia of roses. Academic Press, San Diego, CA Carputo, D. Frusciante, L. Peloquin, S.J. 2003 The role of 2 n gametes and endosperm balance number in the origin

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Hsuan Chen, Lan Xue, Tong Li, and Ryan N. Contreras

Homoeologous recombination in 2n-gametes producing interspecific hybrids of Lilium (Liliaceae) studied by genomic in situ hybridization (GISH) Genome 42 681 686 Klips, R.A. 1999 Pollen competition as a reproductive isolating mechanism between two sympatric

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Chunxian Chen, Jude W. Grosser, Milica Ćalović, Patricia Serrano, Gemma Pasquali, Julie Gmitter, and Fred G. Gmitter Jr

.W. Chaparro, J.X. Roose, M.L. Gmitter F.G. Jr 2008b Origin and frequency of 2n gametes in Citrus sinensis × Poncirus trifoliata and their reciprocal crosses Plant Sci. 174 1 8 Chen, C. Zhou, P

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Yayan Feng, Leifeng Xu, Panpan Yang, Hua Xu, Yuwei Cao, Yuchao Tang, Suxia Yuan, and Jun Ming

environmental variation in production of 2n-gametes of oriental x Asiatic lily hybrids Acta Hort. 673 453 456 Lu, C. Bridgen, M.P. 1997 Chromosome doubling and fertility study of alstroemeria aurea caryophyllaea Euphytica 94 75 81 Ma, L. Chen, H. Zhang, Y. Zhang

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Todd J. Rounsaville, Darren H. Touchell, and Thomas G. Ranney

hybridization. One extreme outlier with 2C genome size = 6.15 pg (≈3x) was observed among the progeny from diploid maternal parents (0.4% of seedlings). This fertilization event was most likely the result of an unreduced (2n) gamete from one diploid parent

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Christian T. Christensen, Lincoln Zotarelli, Kathleen G. Haynes, and Charles Ethan Kelly

8 Krijthe, N. 1962 Observations on the sprouting of seed potatoes Eur. J. Potato Res. 5 316 333 Leue, E.F. Peloquin, S.J. 1980 Selection for 2n gametes and tuberization in Solanum chacoense Amer. Potato J. 57 189 195 Lommen, W.J. 1994 Effect of