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Mobashwer Alam, Craig Hardner, Catherine Nock, Katie O’Connor, and Bruce Topp

The Hawaiian cultivars Keaau (HAES660) and Mauka (HAES741) were selected by the University of Hawaii—released in 1966 and 1977, respectively—and have been used extensively in macadamia orchards throughout the world. Recent molecular evidence suggests that these two cultivars are almost identical genetically; however, commercially they have been considered phenotypically different. This study reviews available molecular, historical, and phenotypic evidence to examine the hypothesis that these two cultivars are the same genotype. Phenotypic variability for morphological traits was observed in a replicated trial at Wolvi, QLD. Historical evidence suggests that both ‘HAES660’ and ‘HAES741’ were derived from the same orchard. We identified strong genetic and phenotypic similarities between these cultivars, with variability in some simple traits. This study provides evidence that these two cultivars are isogenic or near isogenic and may have been derived from the same plant source.

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Hae Keun Yun, Kyo Sun Park, Jeong Ho Roh, Yong Bum Kwack, Ji Hae Jun, Seok Tae Jeong, Seung Hui Kim, Han Ik Jang, and Yong Uk Shin

-rooted vines of ‘Suok’ grape were cultivated in the vineyard, they were not infested with phylloxera owing to low risk for natural attacks by them in the soil in Korea. ‘Suok’ is a table grape with large berries, which produce fruits with pronounced varietal

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Penelope F. Measham, Audrey G. Quentin, and Nicholas MacNair

period of fruit ripening. Harvest maturity was uniform in both varieties with the difference in fruit size an observed and supported varietal characteristic ( De Franceschi et al., 2013 ; Measham et al., 2009 ). The crop should not have experienced any

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María Engracia Guerra, Ana Wünsch, Margarita López-Corrales, and Javier Rodrigo

sterility has been considered as a varietal characteristic in sweet cherry ‘0900 Ziraat’ ( Mert and Soylu, 2007 ). However, the three japanese plum-type cultivars analyzed here usually produce adequately in other orchards, and therefore female sterility can