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Hiroshi Iwanami, Shigeki Moriya, Nobuhiro Kotoda, Sae Takahashi, and Kazuyuki Abe

been sufficiently evaluated among commercial cultivars, and, at times, it is not considered as a trait for selection in apple breeding, although a cultivar in which the fruit hardly softens is advantageous to the apple market and industry. Crosses

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Rukundo Placide, Hussein Shimelis, Mark Laing, and Daphrose Gahakwa

productivity and ensure food security. Improved and resilient crop cultivars and their production technologies are among these strategies ( Brown and Funk, 2008 ). Participatory plant breeding is usually conducted to ensure adoption of newly developed crop

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Charles J. Wasonga, Marcial A. Pastor-Corrales, Timothy G. Porch, and Phillip D. Griffiths

were: 1) to develop and evaluate snap bean populations that combine the Ur-4 and Ur-11 rust resistance genes with heat tolerance; 2) to select from subsequent generations of these populations breeding lines that combine rust resistance (based on the

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Prashant Bhandari and Tong Geon Lee

necessary to understand the mechanisms of biotic/abiotic stress resistance and increase genetic diversity in tomato breeding to produce germplasm with a broader range of tolerance to different stressors and marketable traits. There is no genetic map for the

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David M. Czarnecki II, Amanda J. Hershberger, Carol D. Robacker, David G. Clark, and Zhanao Deng

and pollen stainability of 32 L . camara cultivars and breeding lines. The main objective was to gain a better understanding of the relationship between ploidy level and pollen stainability in L . camara and to assess the effectiveness of ploidy

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Shujun Zhou, Xin Tan, Liqin Fang, Jia Jian, Ping Xu, and Guoliang Yuan

act as maternal parents in hybridization, we investigated the female fertility of ‘Honesty’ in hybridizations with Asiatic lilies, analyzed progenies with GISH, and discussed its potential significance on lily breeding. Materials and Methods Plant

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Steven J. McKay, James M. Bradeen, and James J. Luby

small number of more recent, successful introductions (e.g., ‘Fuji’, ‘Gala’, ‘Cripps Pink’, ‘Honeycrisp’) are the results of breeding programs. Numerous biological features in apple hinder the rapid development of new cultivars, including self

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Viviane de Oliveira Souza, Margarete Magalhães Souza, Alex-Alan Furtado de Almeida, Joedson Pinto Barroso, Alexandre Pio Viana, and Cláusio Antônio Ferreira de Melo

al., 2011 ; Santos et al., 2012b ). One important step during genetic breeding programs is the morphological characterization of the species based on quantitative and qualitative descriptors. These descriptors assist in the identification of

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Haiying Zhang, Guoyi Gong, Shaogui Guo, Yi Ren, Yong Xu, and Kai-Shu Ling

large scale of 820 watermelon PI accessions and 246 breeding lines were evaluated for their drought tolerance properties on seedlings grown in the greenhouse under water stress conditions. The tolerance lines selected from these experiments could be

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R. Karina Gallardo, Parichat Klingthong, Qi Zhang, James Polashock, Amaya Atucha, Juan Zalapa, Cesar Rodriguez-Saona, Nicholi Vorsa, and Massimo Iorizzo

and Johnson-Cicalese, 2012 ). Traditional cranberry breeding ( V. macrocarpon Ait., 2 n = 2 x = 24) is a long process, taking 10 to 30 years from the original cross to cultivar release. This process often results in the improvement of only a few