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Sima Panahirad, Rahim Naghshiband-Hassani, Babak Ghanbarzadeh, Fariborz Zaare-Nahandi, and Nasser Mahna

Plums ( Prunus domestica L.) are a good source of antioxidants, anthocyanin, phenolic compounds, nutritional elements, and some vitamins ( Cevallos-Casals et al., 2006 ) that may benefit human health ( Gil et al., 2002 ; Wargovich, 2000 ), but

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Alexis K. Nagel, Guido Schnabel, Cesar Petri, and Ralph Scorza

members of the genus Phytophthora , and is favored when conditions such as excessive soil moisture and warm temperatures persist. The host range of Phytophthora encompasses a wide variety of plant species, including peach, plum, apricot, nectarine, and

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Ralph Scorza, Michel Ravelonandro, Ann Callahan, Ioan Zagrai, Jaroslav Polak, Tadeuz Malinowski, Mariano Cambra, Laurene Levy, Vern Damsteegt, Boris Krška, John Cordts, Dennis Gonsalves, and Chris Dardick

Origin ‘HoneySweet’ originated as a seedling from the open pollination of ‘Bluebyrd’ plum ( Scorza and Fogle, 1999 ). The pollen parent of ‘HoneySweet’ is unknown. ‘HoneySweet’ was originally selected in vitro as a regenerated shoot from a hypocotyl

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David Karp

In the history of horticulture it is rare to find an individual who almost single-handedly created a new commercial industry based on a novel fruit type as Luther Burbank (1849–1926) did for Asian-type plums ( Prunus salicina ) in the United States

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Moritz Knoche, Eckhard Grimm, Andreas Winkler, Merianne Alkio, and Jürgen Lorenz

Neck shrivel is a nonpathogenic, physiological disorder of european plum that occurs preharvest during late fruit development and that continues to develop postharvest. Symptomatic fruit is perceived to be poor quality so has reduced commercial

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

Annual consumption of fresh plums in the United States is 0.6 lb per capita, which is lower than that of similar types of fruit such as sweet cherry ( Prunus avium ) and peach ( Prunus persica ) that have an annual per capita consumption of 1.1 and

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Ann M. Callahan, Chris Dardick, and Ralph Scorza

potential of doing the same for stone fruit ( Prunus ) is promising considering the marketing possibilities for pitless cultivars (lacking stone and seed) of cherry ( P. cerasus and P. avium ), peach ( P. persica ), plum ( P. domestica and P. salicina ), and

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Andrew P. Nyczepir, Alexis K. Nagel, and Guido Schnabel

extremely difficult once it is established. Rootstock tolerance to Armillaria has been identified in some plum species, which may provide an alternative management tool against this root rot disease ( Beckman et al., 1998 ). Recently, genetic engineering

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W.R. Okie and D.W. Ramming

The status of plum breeding around the world is reviewed. Two distinct types of plums are grown: Japanese-type shipping plums (mostly diploid hybrids of Prunus salicina Lindl. with other species) such as are grown in California, and hexaploid or “domestica” plums (P. domestica L.), which have a long history in Europe. In recent years there has been a resurgence of plum breeding outside the United States.

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

HISTORY OF THE STONELESS PLUM Luther Burbank was heralded in his day as a genius in breeding ( New York Times, 30 Sept. 1906 ), especially in the area of practical breeding ( Jones, 1928 ). One theme that ran through his breeding approach was to