Results of ten-year rootstock testing with apple cultivar Rubin on fertile soil

https://doi.org/10.17221/223/2012-HORTSCICitation:Piestrzeniewicz C., Sadowski A., Dziuban R., Odziemkowski S., Wrona D. (2013): Results of ten-year rootstock testing with apple cultivar Rubin on fertile soil. Hort. Sci. (Prague), 40: 31-36.
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 The experiment was carried out on a fertile alluvial soil at Warsaw-Wilanów, Central Poland, in years 2001–2010. Nineteen very dwarfing and dwarfing rootstocks were tested for vigorous apple cultivar Rubin. Ten-year-old trees were the largest on M 9 EMLA and P 62, smaller on Arm 18, and then on B 491, Unima and B 146. Even smaller were the trees on M 27, P 63 and P 64, and the smallest those on PJ 629. The highest cumulative yield (2002–2010) per tree was on P 66, Arm 18, M 9 EMLA, B 491 and P 16, lower on P 64, P 22, P 59, M 27, PB-4 and J-TE-G, and the lowest on PJ 629. Trees on P 59, PJ 629, PB-4, No. 280, J-TE-G, P 63, P 66, P 22, No. 387 and P 64 showed higher yield efficiency than those on M 9 EMLA or P 62. The mean fruit mass from trees on P 63, M 27, No. 387, Arm 18, P 62, P 64, No. 280, B 491, P 16, Unima and M 9 EMLA was larger than from trees on PJ 629. Trees on P 63, B 491, P 16, P 66, and P 65 produced higher cumulative yield per ha than trees on PB-4, J-TE-G or PJ 629.  
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