Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 488364
Title Selection of Prunus spinosa as a dwarfing rootstock for high density plum orchards
Author(s) Maas, F.M.; Balkhoven-Baart, J.M.T.; Steeg, P.A.H. van der
Source In: X International Symposium on Integrating Canopy, Rootstock and Environmental Physiology in Orchard Systems. - Leuven : ISHS - ISBN 9789462610484 - p. 507 - 516.
Event Leuven : ISHS - ISBN 9789462610484 X International Symposium on Integrating Canopy, Rootstock and Environmental Physiology in Orchard Systems, Stellenbosch, South Africa, 2012-12-03/2012-12-06
Department(s) Fruit
Publication type Contribution in proceedings
Publication year 2014
Abstract In 1987 a selection program was started to find a dwarfing rootstock for European plums. Prunus spinosa (blackthorn) was the chosen species due to its winter hardiness, drought tolerance and previously shown compatibility with plum. In 1990 about 1000 blackthorn seedlings were budded with ‘Opal’ plum. Based on the vigour of the trees during the first year in the nursery, 113 selections were selected for further testing for their effect on tree development and fruit production. The amount of root suckers and thorns were used as additional selection criteria. In 1999 the number of selections was reduced to 24. In several trials carried out between 2006 and 2011, the vigour and yield of ‘Victoria’ on these selections was shown to vary between that on the commonly used rootstock ‘Saint Julien A’ and ‘Krymsk1’ (VVA-1), a dwarfing and highly productive rootstock that had been introduced in the Netherlands concurrently with the trials. Although ‘Krymsk11’ gives very good tree-size control and precocity, it is too dwarfing for some soils and cultivars and sensitive to bacterial canker caused by Pseudomomas syringae. Recently, the five most promising selections were planted in higher numbers. The best selection will be released as soon as it has been registered, and virus free material becomes available. Additional tests will be needed to determine the suitability of these blackthorn selections for other stone fruit species like peach and apricot and for other soils and climatic conditions.
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