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The influence of rootstock and strain on growth and production of delicious and golden delicious apple trees

Seeley, E.J.; Stahly, E.A.; Kammereck, R.

Journal of the American Society for Horticultural Science 104(1): 80-83

1979


ISSN/ISBN: 0003-1062
Accession: 006700075

The influence of 6 rootstocks on growth and productivity of spur and non-spur 'Delicious' and 'Golden Delicious' apple (Malus domestica Borkh.) trees was investigated. The spur-type 'Delicious' strain ('Miller Spur') consistently produced more fruit per tree than the regular-type strain ('Red Prince'). In contrast, standard 'Golden Delicious' produced as much or more per tree than the spur-type strain 'Goldspur' even in the early years. 'Miller Spur Delicious' trees were largest on seedling rootstock, intermediate on Malling (M) 104, and smallest on M 111, M 106 and M 7. 'Goldspur Golden Delicious' resembled 'Miller Spur Delicious' in size, except that trees were significantly smaller on M7 than on M 111 and M 106. At the end of the 9th season, 'Red Prince Delicious' and 'Golden Delicious' were largest on seedling, followed by M 111, M 106, M 7 and M 26 in descending order. Biennial bearing of some trees on all rootstocks reduced yield and increased tree-to-tree yield variance.

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