Genetic determinism of graft compatibility in apricot

P. Irisarri, P. Errea, A. Pina, T. Zhebentyayeva

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

Breeding of most fruit tree species is an expensive and time-consuming process due to the long juvenile period, the long generation time and the large plant size. The rapid increase of new cultivars and rootstocks along with the slow and expensive processes of selection make necessary the search for new methods for early selection of the plant material. In this sense, early detection of graft compatibility substantially AIDS cultivar and rootstock breeding selection. The inheritance of graft (in)- compatibility trait was studied in a population of 80 apricot seedlings obtained from a controlled intraspecific cross between the Spanish cultivar 'Moniqui' (female parent, graft incompatible) and the French cultivar 'Paviot' (male parent, graft compatible). Screening of graft compatibility on the progeny grafted onto the plum rootstock 'Marianna 2624' was based on anatomical symptoms. Bud take, growth, necrotic line and vascular discontinuity were observed during one year after grafting. The results showed that graft compatibility is a complex trait. The phenotypic parameters observed in the F1 individuals revealed that the necrotic line and, discontinuities in the bark and wood, are highly correlated and play an important role in the development of the graft union and the establishment of vascular connections. Knowledge of compatibility inheritance will help cultivar and rootstock breeding and will contribute to understand the genetic mechanism of graft compatibility.

Original languageEnglish (US)
Title of host publication14th EUCARPIA Symposium on Fruit Breeding and Genetics
EditorsL. Dondini, S. Tartarini, F. Laurens, H. Nybom
PublisherInternational Society for Horticultural Science
Pages345-348
Number of pages4
ISBN (Electronic)9789462611689
DOIs
StatePublished - Oct 17 2017

Publication series

NameActa Horticulturae
Volume1172
ISSN (Print)0567-7572

Fingerprint

graft compatibility
apricots
rootstocks
cultivars
blood vessels
inheritance (genetics)
breeding
early selection
grafting (plants)
plums
fruit trees
signs and symptoms (plants)
bark
buds
screening
seedlings

All Science Journal Classification (ASJC) codes

  • Horticulture

Cite this

Irisarri, P., Errea, P., Pina, A., & Zhebentyayeva, T. (2017). Genetic determinism of graft compatibility in apricot. In L. Dondini, S. Tartarini, F. Laurens, & H. Nybom (Eds.), 14th EUCARPIA Symposium on Fruit Breeding and Genetics (pp. 345-348). (Acta Horticulturae; Vol. 1172). International Society for Horticultural Science. https://doi.org/10.17660/ActaHortic.2017.1172.64
Irisarri, P. ; Errea, P. ; Pina, A. ; Zhebentyayeva, T. / Genetic determinism of graft compatibility in apricot. 14th EUCARPIA Symposium on Fruit Breeding and Genetics. editor / L. Dondini ; S. Tartarini ; F. Laurens ; H. Nybom. International Society for Horticultural Science, 2017. pp. 345-348 (Acta Horticulturae).
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Irisarri, P, Errea, P, Pina, A & Zhebentyayeva, T 2017, Genetic determinism of graft compatibility in apricot. in L Dondini, S Tartarini, F Laurens & H Nybom (eds), 14th EUCARPIA Symposium on Fruit Breeding and Genetics. Acta Horticulturae, vol. 1172, International Society for Horticultural Science, pp. 345-348. https://doi.org/10.17660/ActaHortic.2017.1172.64

Genetic determinism of graft compatibility in apricot. / Irisarri, P.; Errea, P.; Pina, A.; Zhebentyayeva, T.

14th EUCARPIA Symposium on Fruit Breeding and Genetics. ed. / L. Dondini; S. Tartarini; F. Laurens; H. Nybom. International Society for Horticultural Science, 2017. p. 345-348 (Acta Horticulturae; Vol. 1172).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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AB - Breeding of most fruit tree species is an expensive and time-consuming process due to the long juvenile period, the long generation time and the large plant size. The rapid increase of new cultivars and rootstocks along with the slow and expensive processes of selection make necessary the search for new methods for early selection of the plant material. In this sense, early detection of graft compatibility substantially AIDS cultivar and rootstock breeding selection. The inheritance of graft (in)- compatibility trait was studied in a population of 80 apricot seedlings obtained from a controlled intraspecific cross between the Spanish cultivar 'Moniqui' (female parent, graft incompatible) and the French cultivar 'Paviot' (male parent, graft compatible). Screening of graft compatibility on the progeny grafted onto the plum rootstock 'Marianna 2624' was based on anatomical symptoms. Bud take, growth, necrotic line and vascular discontinuity were observed during one year after grafting. The results showed that graft compatibility is a complex trait. The phenotypic parameters observed in the F1 individuals revealed that the necrotic line and, discontinuities in the bark and wood, are highly correlated and play an important role in the development of the graft union and the establishment of vascular connections. Knowledge of compatibility inheritance will help cultivar and rootstock breeding and will contribute to understand the genetic mechanism of graft compatibility.

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Irisarri P, Errea P, Pina A, Zhebentyayeva T. Genetic determinism of graft compatibility in apricot. In Dondini L, Tartarini S, Laurens F, Nybom H, editors, 14th EUCARPIA Symposium on Fruit Breeding and Genetics. International Society for Horticultural Science. 2017. p. 345-348. (Acta Horticulturae). https://doi.org/10.17660/ActaHortic.2017.1172.64