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Please use this identifier to cite or link to this item: http://dspace.utalca.cl/handle/1950/8901

Title: Performance of Apple (Malus xdomestica Borkh.) Cultivars Grown in Different Chilean Regions on a Six-year Trial, Part I: Vegetative Growth, Yield, and Phenology
Authors: Yuri, J.A.
Moggia, C.
Torres, C.A.
Sepulveda, A.
Lepe, V.
Vasquez, J.L.
Keywords: Malus xdomestica Borkh.
apple rootstock
apple cultivar
Issue Date: Mar-2011
Citation: HORTSCIENCE Volume: 46 Issue: 3 Pages: 365-370 Published: MAR 2011
Abstract: Performance of seven apple (Mains xdomestica Borkh.) cultivars ('Brookfield (R) Gala', 'Galaxy', 'Super Chief', 'Granny Smith', 'Fuji Raku Raku', 'Cripp's Pink', and 'Braeburn') on M.M.106 and M.9 EMLA rootstocks during their first 6 years was evaluated on a multisite trial in Chile. Second-leaf trees were planted in experimental blocks inside commercial orchards located in five major apple-producing areas in Chile (Graneros, San Clemente, Chillan, Angol, and Temuco). Tree height and volume, trunk cross-sectional area (TCA), fruit yield and size distribution, crop load, and tree phenology were assessed annually. In general, tree growth rates by the end of the third year, when they reached the desired height, were similar in all block locations. M.9 EM LA rootstock reduced tree height by approximate to 20% in 'Brookfield Gala', 'Fuji', 'Galaxy', and 'Granny Smith'. This rootstock also had 50% smaller TCAs than M.M.106's at Year 6 in most cultivars. The highest productions in 'Brookfield (R) Gala', 'Galaxy', 'Granny Smith', 'Cripp's Pink', and 'Super Chief', regardless of rootstock, were obtained in San Clemente and Chillan's blocks. Although M.M. 106 trees delivered higher yields per plant, M.9 EMLA yield efficiency (no. fruit/cm(2) TCA) was significantly higher. In general, the higher the latitude (toward south), the later budbreak, full bloom, and harvest occurred.
Description: Torres, CA (reprint author), Univ Talca, Ctr Pomaceas, Fac Ciencias Agr, POB 747, Talca, Chile.
URI: http://dspace.utalca.cl/handle/1950/8901
ISSN: 0018-5345
Appears in Collections:Artículos en publicaciones ISI - Universidad de Talca

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