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Mary Woodhead, Ailsa Weir, Kay Smith, Susan McCallum, Katrin MacKenzie, and Julie Graham

Conventional plant breeding in woody perennials like red raspberry is a long and expensive process, in terms of the time required to reach a stage where certain traits can be assessed and the space required to grow the large number of plants

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Zuguo Cai, Wenfang Zeng, Liang Niu, Zhenhua Lu, Guochao Cui, Yunqin Zhu, Lei Pan, Yifeng Ding, and Zhiqiang Wang

., 2011 ; Moing et al., 2003 ). Increasing numbers of related species are being used to develop new peach cultivars. Efficient and accurate species identification and hybrid analysis are necessary in peach breeding and germplasm management. A range of

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Margarita Pérez-Jiménez, Almudena Bayo-Canha, Gregorio López-Ortega, and Francisco M. del Amor

obtained, which can lead to genetically enhanced cultivars. Thus, seedlings are the key factor of any plant breeding program because each seed is a potential cultivar which may be able to face the market challenges. Breeding programs are composed of many

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Hazel Y. Wetzstein, Weiguang Yi, Justin A. Porter, and Nadav Ravid

degeneration, and/or lack of synchronization between the female gametophyte and pollen tubes in japanese plum [ Prunus salicina ( Guerra et al., 2011 )], apricot [ Prunus armeniaca ( Alburquerque et al., 2004 )], avocado [ Persea americana ( Tomer et al

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Angela D. Myracle, Zakkary J. Castonguay, Amber Elwell, and Renae E. Moran

improved fruit quality, the asian plum has been hybridized with the apricot plum ( Prunus simonii ), the myrobalan plum ( Prunus ceracifera ), and other species and for cold temperature tolerance, it has been hybridized with american and canadian plum

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Asadolah Aslani Aslamarz, Kourosh Vahdati, Majid Rahemi, and Darab Hassani

special interest in these species, being very important for the choice of parents in breeding programs looking for late-flowering cultivars ( Spiegel-Roy and Alston, 1979 ). When the chilling requirement is satisfied, blooming will start. Early blooming

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Esther Giraldo, Margarita López-Corrales, and José Ignacio Hormaza

-Alcazar, 2005 ; Tanksley and McCouch, 1997 ) have led to the need to preserve as much genetic diversity as possible both in situ and ex situ not only for the long-term survival of the species, but also to have enough variability available for breeding programs

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John R. Clark and Chad E. Finn

Crop Listings z : Almond Rootstock, Apple, Apricot and Apricot Hybrids, Banana, Blackberry, Blueberry, Cacao, Citrus, Citrus Rootstock, Cranberry, Genip (Quenepa, Spanish Lime), Grape, Grape rootstock, Macadamia, Mango, Nectarine, Passion Fruit

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Olfa Zarrouk, Pilar S. Testillano, María Carmen Risueño, María Ángeles Moreno, and Yolanda Gogorcena

it has been suggested that differences in peroxidase concentration between rootstock and scion may cause bad vascular connections ( Santamour, 1992 ). Graft incompatibility of peach rootstocks is an important characteristic to be assessed in breeding

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Mercy A. Olmstead, Jessica L. Gilbert, Thomas A. Colquhoun, David G. Clark, Robert Kluson, and Howard R. Moskowitz

., 1999 ; Williamson and Sargent, 1999 ). The stone fruit breeding program in Florida has focused on the release of nonmelting texture peaches for fresh consumption, which allows fruit to remain on the tree longer and develop improved aroma and flavor