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Wanploy Jinagool, Lia Lamacque, Marine Delmas, Sylvain Delzon, Hervé Cochard, and Stéphane Herbette

a long period of drought. This trait varies at the intraspecific level in many forest tree species ( Corcuera et al., 2011 ; Guet et al., 2015 ; Herbette et al., 2010 ) according to genetic differences ( Cochard et al., 2007 ; Guet et al., 2015

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Xiaohua Yang, Susan K. Brown, and Peter J. Davies

stature resulting from shorter internodes with an advanced breeding selection that has good fruit quality and a standard tree form. Seeds harvested in 2007 were stratified in the refrigerator for 90 d and planted in pots in the greenhouse in Jan. 2008 with

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Carlos Calderón-Vázquez, Mary L. Durbin, Vanessa E.T.M. Ashworth, Livia Tommasini, Kapua K.T. Meyer, and Michael T. Clegg

, 2010 ). Selection on molecular markers such as simple sequence repeats (SSRs) or single nucleotide polymorphisms (SNPs) associated with traits of economic value promise to increase breeding efficiency for beneficial traits, especially in long-lived tree

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Vanessa E.T.M. Ashworth, Haofeng Chen, Carlos L. Calderón-Vázquez, Mary Lu Arpaia, David N. Kuhn, Mary L. Durbin, Livia Tommasini, Elizabeth Deyett, Zhenyu Jia, Michael T. Clegg, and Philippe E. Rolshausen

feasible. However, breeding in this long-lived tree crop is frustrated by an outcrossing breeding system, high heterozygosity, long generation times [up to 15 years ( Bergh and Lahav, 1996 )], and the need for costly field trials to accommodate tree size

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Khin Thida One, Narathid Muakrong, Chamnanr Phetcharat, Patcharin Tanya, and Peerasak Srinives

uneven fruit maturity. Progress in jatropha breeding is still limited, attributed mainly to its low genetic diversity ( Tar et al., 2011 ). Germplasm improvement is initially the main pre-breeding work before an effective jatropha breeding program can be

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Ting Liao, Guobin Liu, Liqin Guo, Ye Wang, Yanwu Yao, and Jun Cao

the most commonly used trees worldwide. Moreover, as one of the city trees in Beijing, it is an important local tree species for afforestation, border trees, and landscaping unique to northern China. Its wood has moderate hardness and strong corrosion

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Qin Yang and Yan Fu

ages, a large number of innovative germplasms and new varieties of fruit trees have been created using conventional breeding methods, such as sexual hybridization and seedling selection, and this diversity plays an important role in the sustainable

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Xiaomeng Li, Rangjin Xie, Zhenhua Lu, and Zhiqin Zhou

as fruit tree species ( Coart et al., 2003 ; Pang et al., 2007 ). In particular, the AFLP technique has been used successfully to assess the origin of landrace cultivars of cultivated potato [ Solanum tuberosum ( Spooner et al., 2005 )]. Chloroplast

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John M. Capik and Thomas J. Molnar

and breeding resources, forest trees. Springer-Verlag, Berlin/Heidelberg, Germany Molnar, T.J. Capik, J.M. Goffreda, J.C. 2009 Response of hazelnut progenies from known resistant parents to Anisogramma anomala in New Jersey, U.S.A Acta Hort. 845 73

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Ronald S. Revord, J. Michael Nave, Ronald S. Revord, J. Michael Nave, Gregory Miller, Nicholas Meier, J. Bryan Webber, Michael A. Gold, and Tom Wahl

robust infrastructure for the breeding of improved, recombinant individuals well-adapted to regions outside of mid-Missouri. The ensuing 15 years of on-farm evaluation led to many grower selections, where the best seedling trees were propagated and shared