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Chin-Mu Chen, Tzu-Yao Wei, and Der-Ming Yeh

. Additional crosses were made to facilitate the determination of double-flower inheritance ( Tables 1 and 2 ). Table 1. Segregation for flower form in progeny of self-pollinated and crossed TYV1, a double-flowered mutant of Catharanthus roseus and a single

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Binjie Xu, Yongxia Chen, Wangxiang Zhang, and Donglin Zhang

recorded in Flowering Crabapples ( Fiala, 1994 ), but fewer than 5% of them are semi-double or double flowers, such as the outstanding ‘Van Eseltine’ (pink doubles), ‘Kelsey’ (red doubles), and ‘Sparkler’ (red–purple semi-doubles). During the past 20

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Xuejuan Chen, Ming Sun, Jianguo Liang, Hui Xue, and Qixiang Zhang

yellow, orange–yellow, or aubergine double flowers. There were four additional subgroups of closely related cultivars that shared parents and petal type. Subgroup 1 comprised ‘XA7’, ‘Dan Dan De Huang’, and ‘Dan Han Fen’, all dwarf or compact offspring of

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Daike Tian and Ken Tilt

excellent plant material for study on development and evolution of double flowers of lotus. An undergoing research project on molecular mechanism of double flowers in Nelumbo is conducted in Dr. Daike Tian's laboratory at Shanghai Chenshan Plant Science

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Doron Holland, Irit Bar-Ya'akov, and Kamel Hatib

double-flower lateral buds are situated on spurs every 1.5–2.0 cm along the branches. Time of bloom. ‘Shezifon’ is an early flowering cultivar compared with the Japanese plum cultivars ‘Santa Rosa’ and ‘Laroda’. The average flowering season in

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Chong Wang, Yang Song, Mingqian Wang, Jiajun Lei, Li Xue, and Shizhong He

of a medium size, at 45 cm tall. Leaves are 30.3 cm long by 8.7 cm wide, which is shorter than its parents, and the leaves grow obliquely upward ( Table 1 ). The double flowers open with large overlapping tepals held in large umbels on sturdy scapes

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Chunxian Chen and William R. Okie

seedlings produced double-flowers with showy pink, red or white petals, as might be expected from self-pollination of ‘Helen Borchers’ if it were heterozygous for the genes controlling white and red flower color. However, seedling tree BY02P5129v had

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Xingbo Wu and Lisa W. Alexander

) screened 768 SSR primer pairs in 93 F 2 progeny to identify markers linked to double-flower and hortensia (mophead) traits in H. macrophylla ; they found that both traits are each controlled by a single recessive gene. Many SSRs were developed through

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Chad E. Finn, Bernadine C. Strik, Brian M. Yorgey, Mary E. Peterson, Patrick A. Jones, Jungmin Lee, Nahla V. Bassil, and Robert R. Martin

‘Hall’s Beauty’ is a new, early-ripening, high-quality, firm, and sweet thornless trailing blackberry ( Rubus subg. Rubus Watson) cultivar with extremely large and attractive double flowers from the U.S. Department of Agriculture, Agricultural

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Vladislav M. Ognjanov, Maja Miodragović, Goran Barać, Mirjana Ljubojević, Jovana Dulić, Mirjana Sekulić, and Tijana Narandžić

anthers with abundant pollen, and are self-fertile. Double flowers occur very rarely. Fruits. The fruit characteristics presented in this article are the mean values for three experimental years. ‘Ivana’ is a very early ripening cultivar, the onset of