Long-term Performance of ‘Delicious’ Apple Trees Grafted on Geneva® Rootstocks and Trained to Four High-density Systems under New York State Climatic Conditions
Ver/Abrir
Autor/a
Reig, Gemma
Hoying, Stephen
Fargione, Michael
Donahue, Daniel J.
Francescatto, Poliana
Acimovic, Dana
Fazio, Gennaro
Robinson, Terence
Fecha de publicación
2020-08-21ISSN
0003-1062
Resumen
We conducted a large (0.8 ha) field experiment of system × rootstock, using Super Chief Delicious apple as cultivar at Yonder farm in Hudson, NY, between 2007 and 2017. In this study, we compared six Geneva® rootstocks (‘G.11’, ‘G.16’, ‘G.210’, ‘G.30’, ‘G.41’, and ‘G.935’) with one Budagovsky (‘B.118’) and three Malling rootstocks (‘M.7EMLA’, ‘M.9T337’ and ‘M.26EMLA’). Trees on each rootstock were trained to four high-density systems: Super Spindle (SS) (5382 apple trees/ha), Tall Spindle (TS) (3262 apple trees/ha), Triple Axis Spindle (TAS) (2243 apple trees/ha), and Vertical Axis (VA) (1656 apple trees/ha). Rootstock and training system interacted to influence growth, production, and fruit quality. When comparing systems, SS trees were the least vigorous but much more productive on a per hectare basis. Among the rootstocks we evaluated, ‘B.118’ had the largest trunk cross-sectional area (TCSA), followed by ‘G.30’ and ‘M.7EMLA’, which were similar in size but they did not differ statistically from ‘G.935’. ‘M.9T337’ was the smallest and was significantly smaller than most of the other rootstocks but it did not differ statistically from ‘G.11’, ‘G.16’, ‘G.210’, ‘G.41’, and ‘M.26EMLA’. Although ‘B.118’ trees were the largest, they had low productivity, whereas the second largest rootstock ‘G.30’ was the most productive on a per hectare basis. ‘M.9’ was the smallest rootstock and failed to adequately fill the space in all systems except the SS, and had low cumulative yield. The highest values for cumulative yield efficiency (CYE) were with ‘G.210’ for all training systems except for VA, where ‘M.9T337’ had the highest value. The lowest values were for all training systems with ‘B.118’ and ‘M.7EMLA’. Regardless of the training system, ‘M.7EMLA’ trees had the highest number of root suckers. Some fruit quality traits were affected by training system, rootstock or system × rootstock combination.
Tipo de documento
Artículo
Versión del documento
Versión publicada
Lengua
English
Materias (CDU)
63 - Agricultura. Silvicultura. Zootecnia. Caza. Pesca
Páginas
13
Publicado por
American Society for Horticultural Science
Publicado en
Journal of the American Society for Horticultural Science
Citación
Reig, Gemma, Jaume Lordan, Stephen Hoying, Michael Fargione, Daniel J. Donahue, Poliana Francescatto, Dana Acimovic, Gennaro Fazio, and Terence Robinson. 2020. "Long-Term Performance Of ‘Delicious’ Apple Trees Grafted On Geneva® Rootstocks And Trained To Four High-Density Systems Under New York State Climatic Conditions". Hortscience 55 (10): 1538-1550. doi:10.21273/hortsci14904-20.
Program
Fructicultura
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