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Valery N. Yezhov, Anatoly V. Smykov, Vladimir K. Smykov, Sergei Yu. Khokhlov, David E. Zaurov, Shawn A. Mehlenbacher, Thomas J. Molnar, Joseph C. Goffreda, and C. Reed Funk

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David H. Byrne

Despite the hundreds of existing stone fruit (Prunus spp.) cultivars used for fresh market, there is a continuing need to develop new stone fruit cultivars as the requirements of the industry change. Over the last 20 years there has been a shift toward private breeding as the public sector decreases its support of these long-range programs. As a result there are fewer public breeding programs and many of those still operating protect their releases and partially fund their programs with royalty payments. Other trends that are shaping the development of new stone fruit cultivars are a need for smaller or more easily managed tree architecture, a trend toward the use of fewer agricultural chemicals, the expansion of production zones into the milder winter zones to allow year-round availability of stone fruit, a general diversification of fruit types being marketed, the increased awareness of the health benefits of fruit consumption, the need for better and more consistent quality, and given the global marketing of these fruit the increased need for enhanced postharvest qualities. The breeding programs of the world are responding to these trends and working toward developing the cultivars for the world markets of the future.

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David E. Zaurov, Thomas J. Molnar, Sasha W. Eisenman, Timothy M. Ford, Ravza F. Mavlyanova, John M. Capik, C. Reed Funk, and Joseph C. Goffreda

communication). Research and Germplasm Holdings of P. armeniaca in Central Asia Although the most intensive and productive research and breeding of apricot in Uzbekistan was done in the past, work is still being conducted at the Uzbek Scientific Research

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Hai-nan Liu, Jian-rong Feng, Xiao-fang Liu, Wen-hui Li, Wen-juan Lv, and Ming Luo

). Therefore, it is necessary to either match cultivars for pollination or perform artificial pollination to obtain stable yield. Self-incompatibility is a major obstacle restricting the breeding and production of native apricot cultivars in Xinjiang Province

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Chengyan Yue, R. Karina Gallardo, Vicki A. McCracken, James Luby, James R. McFerson, Lan Liu, and Amy Iezzoni

The rosaceous plant family includes numerous fruit, nut, and ornamental specialty crops, including almond, apple, apricot, caneberry, cherry, peach, pear, plum, rose, and strawberry. It is the third most economically important plant family with over

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Bekir Şan, Adnan Nurhan Yildirim, and Fatma Yildirim

, and apricot ( Han et al., 2002 ; Martinez-Gomez and Dicenta, 2001 ). On the other hand, some chemicals such as abscissic acid (ABA), coumarin, and jasmonates could also impose seed dormancy ( Bewley, 1997 ; Linkies and Leubner-Metzger, 2012

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Arancha Arbeloa, Ma Elena Daorden, Elena García, Pilar Andreu, and Juan A. Marín

germination to embryo size in peach ( Chaparro and Sherman, 1994 ), apricot ( Burgos and Ledbetter, 1993 ), or interspecific peach hybrids ( Liu et al., 2007 ). Fruit breeding programs specifically use in vitro embryo culture because fruit tree breeding is a

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Ke Cao, Lirong Wang, Gengrui Zhu, Weichao Fang, Chenwen Chen, and Pei Zhao

) markers in apricot breeding: Molecular characterization, protection, and genetic relationships Sci. Hort. 103 305 315 Sasser, J.N. 1977 Worldwide dissemination and importance of the root-knot nematodes Meloidogyne spp J. Nematol. 9 585 589 Sosinski, B

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Shengrui Yao

leaf axils. Primary buds bloomed first, then secondary, followed by tertiary. The first bloom was from mid-June to late June and full bloom was in late June to early July each year at Alcalde, NM. In comparison, apricots, peaches, cherries, and apples

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S. Perez-Gonzales

Twenty variables were recorded on 15 apricot (Prunus armeniaca L.) genotypes differing in growth habit and blossom time to detect possible associations among morphological and phonological traits. The widest range of variability observed among phenotypes was for fruit size and factors associated with adaptation to local conditions, such as blossom season and yield potential as expressed by number of buds, flowers, and fruits per length of fruiting spurs. The most important morphological traits correlated with fruit weight were tree growth habit, apical and basal diameter of fruiting spurs, and bud and leaf size. Multivariate analysis allowed tree and variable grouping, which might encompass the basic criteria for apricot breeding programs in central México.