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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

Central Asia is a center of origin for many important fruit and nut tree species, including wild and cultivated apricots ( Prunus armeniaca ) ( Vavilov, 1931 , 1951 ). Apricots, considered by many to be one of the most delicious tree fruits, have

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Timothy L. Creger and Frank J. Peryea

Fruit trees grown in soils contaminated with lead arsenate (PbHAsO4) pesticide residues are subject to arsenic (As) phytotoxicity, a condition that may be exacerbated by use of phosphate fertilizers. A potted soil experiment was conducted to examine the influence of phosphate fertilizer on accumulation of As and lead (Pb) in apricot (Prunus armeniaca) seedlings grown in a lead arsenate-contaminated Burch loam coil. Treatments were fertilizer source (mono-ammonium phosphate [MAP], ammonium hydrogen sulfate [AHS]) and rate (0, 8.7, 17.4, and 26.1 -mmol/liter), and presence/absence of lead, arsenate contamination (231 -mg/kg coil). Plant biomass accumulation was reduced by lead arsenate presence and by high fertilizer rates, the latter due to soil salinization. Phytoaccumulation of As was enhanced by lead arsenate presence and by increasing MAP rate but was not influenced by AHS rate, salinity, or acidity of soil. Phytoaccumulation of Pb was enhanced by lead arsenate presence but was not influenced by fertilizer treatment.

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Muttalip Gündoğdu, Tuncay Kan, and Mustafa Kenan Gecer

and cultivar ( Prunus armeniaca L.) used in all of the experiments were fresh apricots harvested. Fruits were harvested at deep orange 1 (fully ripe) in Malatya, Turkey ( Table 1 ). At each harvest date, we formed random lots, each with 30 fruits

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Issam A. Hassaballa, M.G. Moughieth, N.A. Hagagy, and N.S. Zayed

Shoot tip and single-node cutting explants of `Hamawy' and `El-Amar' apricot cultivars were initiated from forced shoots of field-grown, virus-free trees. Explants were cultured on Murashige & Skoog (MS) Nitsch & Nitsch and Anderson media. Different modifications of MS medium were also evaluated. Antioxidant pretreatment reduced phenolic compounds and decreased necrosis. Modified MS was the best medium for plantlets regeneration, with positive effectiveness of adenine sulfate addition to the modified MS. Shoot multiplication was best on 2.0 mg·L–1 BAP and 1.0 mg·L–1 thidiazuron (TDZ). Also, half-strength MS medium was superior for shoot elongation Surface coverage, 16 hours light/8 hours dark cycle, and 2.0 mg·L–1 IBA induced good rooting. Rooted plantlets were successfully acclimated ex vitro.

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Kadir Uğurtan Yılmaz, Sezai Ercişli, Bayram Murat Asma, Yıldız Doğan, and Salih Kafkas

, 1990 ). The subgenus Prunus includes section Prunophora comprising plums and section Armeniaca containing apricots. Each of these sections is considered to be a single gene pool ( Watkins, 1976 ). Plums are adapted to the cooler temperate regions

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Weisheng Liu, Dongcheng Liu, Aimin Zhang, Chenjing Feng, Jianmin Yang, Jaeho Yoon, and Shaohua Li

that P. domestica was an autopolyploid derived from P. cerasifera rather than an allopolyploid. Eryomine (1991) even suggested that many other species, including Prunus microcarpa C.A. Mey., Prunus salicina , Prunus armeniaca , and Prunus

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

985 996 Romero, C. Vilanova, S. Burgos, L. Martínez-Calvo, J. Vicente, M. Llácer, G. Badenes, M.L. 2004 Analysis of the S-locus structure in Prunus armeniaca L. identification of S -haplotype specific S-RNase and F-box genes Plant Mol. Biol. 56

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Júlia Halász, Andrzej Pedryc, Sezai Ercisli, Kadir Ugurtan Yilmaz, and Attila Hegedűs

). ‘Kayisi Erigi’ is a hybrid of P. armeniaca and Prunus salicina Lindl. Its S 11 -allele is derived from the apricot parent, but the other allele differs from all apricot alleles and must have originated from the plum ( P. salicina ) parent. The 1270

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Jian-rong Feng, Wan-peng Xi, Wen-hui Li, Hai-nan Liu, Xiao-fang Liu, and Xiao-yan Lu

, C. Chanforan, C. 2007 Postharvest changes in physicochemical properties and volatile constituents of apricot ( Prunus armeniaca L.). Characterization of 28 cultivars J. Agr. Food Chem. 55 8 3074 3082 Beckles, D.M. 2012 Factors affecting the

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

(RGAs) in Prunus : A resistance map for Prunus Theor. Appl. Genet. 111 1504 1513 Lambert, P. Hagen, L.S. Arus, P. Audergon, J.M. 2004 Genetic linkage maps of two apricot cultivars ( Prunus armeniaca L.) compared with the almond Texas × peach Earlygold