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Carol A. Miles and Jaqueline King

trellised cider apples. Small-scale cider apple growers generally press fruit within a few days to 1 month after harvest; therefore, fruit damage that occurs from machine harvest may negatively affect juice quality characteristics. In this 2-year study of

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Jer-Chia Chang

were averaged at 24.8 to 26.3 kg per plant. With the improved fruit quality and comparable yield, ‘Miaoli No. 1’ is an exciting candidate for mulberry growers looking for new cultivars to replace ‘46C019’ and to exploit the economic potential of

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D.L. Peterson, S.S. Miller, and J.D. Whitney

Three years of mechanical harvesting (shake and catch) trials with two freestanding apple (Malus domestica Borkh.) cultivars on a semidwarf rootstock (M.7a) and two training systems (central leader and open center) yielded 64% to 77% overall harvesting efficiency. Mechanically harvested `Bisbee Delicious' apples averaged 70% Extra Fancy and 10% Fancy grade, while two `Golden Delicious' strains (`Smoothee' and `Frazier Goldspur') averaged 40% Extra Fancy and 13% Fancy grade fruit. Mechanically harvesting fresh-market-quality apples from semidwarf freestanding trees was difficult and its potential limited. Cumulative yield of open-center trees was less than that of central-leader trees during the 3 years (sixth through eighth leaf) of our study. `Golden Delicious' trees generally produced higher yields than `Delicious' trees.

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Iban Eduardo, Pere Arús, Antonio José Monforte, Javier Obando, Juan Pablo Fernández-Trujillo, Juan Antonio Martínez, Antonio Luís Alarcón, Jose María Álvarez, and Esther van der Knaap

search for resistance genes or new alleles with favorable effects on fruit quality traits to be transferred to elite germplasm ( Fernie et al., 2006 ; McCouch, 2004 ; Tanksley and McCouch, 1997 ; Zamir, 2001 ). However, some disease resistance pathways

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David L. Ehret, Brenda Frey, Tom Forge, Tom Helmer, and David R. Bryla

becoming the most widely used in blueberry. Drip irrigation guidelines are available for horticultural crops grown in British Columbia ( Van der Gulik, 1999 ) but no information on expected yield or fruit quality with respect to irrigation is available for

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Esmaeil Fallahi

consumption ( Fallahi et al., 2007a ; Neilsen et al., 2006 , 2008 ) while producing higher quality fruit ( Autio et al., 1996 ; Behboudian and Mills, 1997 ; Behboudian et al., 2005 ; Fallahi et al., 2007a , 2007b ; Naor et al., 2008 ; Neilsen et al

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Mekjell Meland and Clive Kaiser

Biennial bearing is a major problem in many apple-producing areas of the world ( Schmidt et al., 2009 ) and Norway is no exception. As a result of overcropping in the “on-year,” fruit size and quality are reduced. The next year, yields are markedly

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Changwei Shen, Yifei Ding, Xiqiong Lei, Peng Zhao, Shuo Wang, Yangchun Xu, and Caixia Dong

considered as a quality element, which could increase fruit development with higher quality and longer shelf life by enhancing synthesis and translocation of carbohydrates in plants ( Niu et al., 2008 ). For example, the fruit of ‘Kinnow’ mandarin ( Citrus

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Ruimin Huang, Chao Shen, Susu Wang, and Zhengjia Wang

in protein synthesis, membrane stability, cell division, and metabolism ( Hajiboland and Amirazad, 2010 ). The application of Zn fertilizer at appropriate rates can enhance the fruit quality of fruit trees significantly ( Davarpanah et al., 2016

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Terence L. Robinson* and Christopher B. Watkins

In 2001 and 2002, we imposed a wide range of croploads (0-15 fruits/cm2 of TCA) on 4- and 5-year-old Honeycrisp/M.9 trees by manual hand thinning soon after bloom to define appropriate croploads that give adequate repeat bloom and also the best fruit quality. At harvest each year we evaluated fruit ripening and quality. Samples were stored for 5 months in air at 38 °F and 33 °F and evaluated for fruit firmness and storage disorders. Cropload was negatively correlated with tree growth, return bloom, fruit size, fruit red color, fruit sugar content, fruit starch content, fruit firmness, fruit acidity, fruit bitter pit, fruit senescent breakdown, fruit rot and fruit superficial scald, but was positively correlated with leaf blotch symptoms, fruit internal ethylene concentration at harvest, and fruit soggy breakdown. There was a strong effect of cropload on fruit size up to a cropload 7, beyond which there was only a small additional effect. Although there was considerable variation in return bloom, a relatively low cropload was required to obtain adequate return bloom. Fruit red color was reduced only slightly up to a cropload of 8 beyond which it was reduced dramatically. The reduced fruit color and sugar content at high croploads could indicate a delay in maturity of but, fruits from high croploads were also softer, had less starch and greater internal ethylene. It that excessive croploads advance maturity. Overall, croploads greater than 10 resulted in no bloom the next year, and poor fruit size, color and flavor, but these fruits tended to have the least storage disorders. Moderate croploads (7-8) resulted in disappointing return bloom and mediocre fruit quality. For optimum quality and annual cropping, relatively low croploads of 4-5 were necessary.