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Neil O. Anderson and Richard T. Olsen

’s breeding endeavors; ( B ) winnowing and bagging seed from the season’s collection—large quantities were often open-pollinated; ( C ) a display of the Luther Burbank Experiment Forms of ornamental plants by Stark Brothers’ Nurseries, which purchased most of

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Hamidou F. Sakhanokho and M. Nurul Islam-Faridi

comparable. Tetraploid S. aethiopicum can be valuable for future breeding programs, in particular for those programs aiming to develop shorter, more compact plants. Some S. aethiopicum selections are cultivated for their edible leaves, so tetraploid

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Natalie Bumgarner, Sheri Dorn, Esther McGinnis, Pam Bennett, Ellen Bauske, Sarada Krishnan, and Lucy Bradley

, North Dakota State University, summarized food science, plant breeding, and human nutrition research efforts that could be expanded by working with CH scientists. Dr. Natalie Bumgarner, Plant Sciences Department, University of Tennessee, and Ms. Sheri

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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

characterized as a promising alternative to connect research activities in plant genetic resources and breeding programs ( Tombolato et al., 2004 ). Pre-breeding activities in ornamental species involve the collection of plant material; its introduction

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Luping Qu and Mark P. Widrlechner

Breeding systems play crucial roles in the evolutionary dynamics of plant species ( Charlesworth, 2006 ), are critical in the development of effective and efficient genetic improvement strategies ( Charlesworth, 2006 ; Poehlman, 1987 ), and should

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

valuable resources in watermelon breeding for drought tolerance. Materials and Methods Plant materials. A total of 1066 watermelon accessions were selected in the present study to determine their drought tolerance properties at the seedling stage under

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Seenivasan Natarajan and Jeff S. Kuehny

heat-tolerant lines so that breeding programs can use these plants to improve the thermotolerance of new releases ( Prasad et al., 1999 ). Many organisms, including plants, accumulate heat shock proteins (HSP) in response to high nonlethal temperatures

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Malcolm W. Smith, Debra L. Gultzow, and Toni K. Newman

severe than that of male sterility and there are many examples of cultivated plants in which new genera have been successfully introgressed despite complete pollen sterility in the F 1 . However, breeding beyond the F 1 often requires large populations

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Jessica Chitwood, Ainong Shi, Beiquan Mou, Michael Evans, John Clark, Dennis Motes, Pengyin Chen, and David Hensley

Molecular markers have become of increasing importance in plant breeding. For many major crop species, potential genetic variation for important agronomic traits already exists with varying degrees of accessibility ( Thomson et al., 2010 ). DNA

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Ann Callahan, Chris Dardick, Roberta Tosetti, Donna Lalli, and Ralph Scorza

FasTrack system of breeding that reduces the generation time in plum to 1 year from seed to fruiting plant for both the breeding and the genetic engineering approaches. 21st CENTURY BREEDING We chose as a goal for modern breeding a completely stoneless plum