Oligogenic Inheritance of Resistance to Plum Pox Virus in Apricots

J Salava, J Polák and B Krška
Additional contact information
J Salava: Division of Plant Medicine, Research Institute of Crop Production, Prague-Ruzyně, Czech Republic
J Polák: Division of Plant Medicine, Research Institute of Crop Production, Prague-Ruzyně, Czech Republic
B Krška: Faculty of Horticulture, Mendel University of Agriculture and Forestry in Brno, Lednice, Czech Republic

Czech Journal of Genetics and Plant Breeding, 2005, vol. 41, issue 4, 167-170

Abstract: In order to determine the inheritance of resistance to PPV in apricot three crosses between resistant and susceptible cultivars and selections were performed. The B1 seedlings were inoculated with the PPV-M strain by an infected bud. PPV infection was evaluated over 5 consecutive growth periods through visual symptoms, ELISA and in some cases reverse transcriptase PCR assays. Chi-square analysis of each B1 progeny was performed to determine if the segregation ratio differed from the expected ratio. PPV resistance segregated in three apricot B1progenies in a 1:7 (resistant:susceptible) ratio, indicating that resistance was controlled by three independent dominant complementary genes. All three dominant genes are needed for the resistance to be expressed, and the lack of any one of the dominant alleles will result in susceptibility. This knowledge will help us in effective planning of apricot breeding programs with this subjective.

Keywords: Prunus armeniaca L.; heritability; sharka disease (search for similar items in EconPapers)
Date: 2005
References: View complete reference list from CitEc
Citations:

Downloads: (external link)
http://cjgpb.agriculturejournals.cz/doi/10.17221/3663-CJGPB.html (text/html)
http://cjgpb.agriculturejournals.cz/doi/10.17221/3663-CJGPB.pdf (application/pdf)
free of charge

Related works:
This item may be available elsewhere in EconPapers: Search for items with the same title.

Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text

Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlcjg:v:41:y:2005:i:4:id:3663-cjgpb

DOI: 10.17221/3663-CJGPB

Access Statistics for this article

Czech Journal of Genetics and Plant Breeding is currently edited by Ing. Markéta Knížková, (Executive Editor)

More articles in Czech Journal of Genetics and Plant Breeding from Czech Academy of Agricultural Sciences
Bibliographic data for series maintained by Ivo Andrle ().