Articles
AN OVERVIEW OF THE CHERRY ROOTSTOCK BREEDING PROGRAM AT GIESSEN 1965 – 1984
Article number
169_27
Pages
189 – 198
Language
Abstract
In 1965 a breeding program for sweet cherry rootstocks was established at Giessen based upon interspecific cherry hybrids.
The initial aim was to learn more about the rootstock potential of plants with a wide range of genetic variability.
The program proceeded by several steps: (1) First cycle of hybridisation of cherry species. (2) Raising test trees of sweet cherry cultivars grafted onto rootstocks of pre-selected seedling-progenies and clones. (3) Evaluation of the orchard behaviour of these rootstocks in preliminary trials. (4) Preliminary trials with clones of promising crosses not previously tested. (5) Research into other attributes of hybrid rootstocks and scion-rootstock combinations. (6) Rootstock-cultivar trials with promising candidate clones under different environmental and pomological conditions. (7) Initiation of a second breeding cycle utilizing the results from orchards trials and special studies.
The initial aim was to learn more about the rootstock potential of plants with a wide range of genetic variability.
The program proceeded by several steps: (1) First cycle of hybridisation of cherry species. (2) Raising test trees of sweet cherry cultivars grafted onto rootstocks of pre-selected seedling-progenies and clones. (3) Evaluation of the orchard behaviour of these rootstocks in preliminary trials. (4) Preliminary trials with clones of promising crosses not previously tested. (5) Research into other attributes of hybrid rootstocks and scion-rootstock combinations. (6) Rootstock-cultivar trials with promising candidate clones under different environmental and pomological conditions. (7) Initiation of a second breeding cycle utilizing the results from orchards trials and special studies.
Authors
W. Gruppe
Keywords
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