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Sharon, D., Dept. Fruit Trees, Genet. and Breed., Agricultural Research Organization, P.O. Box 6, Bet-Dagan 50250, Israel
Hillel, J., Department of Genetics, Faculty of Agriculture, Hebrew University of Jerusalem, P.O. Box 12, Rehovot 76100, Israel
Mhameed, S., Dept. Fruit Trees, Genet. and Breed., Agricultural Research Organization, P.O. Box 6, Bet-Dagan 50250, Israel
Cregan, P.B., U.S. Dept. Agric.-Agric. Res. Serv., Soybean and Alfalfa Res. Laboratory, Beltsville, MD 20705, United States
Lahav, E., Dept. Fruit Trees, Genet. and Breed., Agricultural Research Organization, P.O. Box 6, Bet-Dagan 50250, Israel
Lavi, U., Dept. Fruit Trees, Genet. and Breed., Agricultural Research Organization, P.O. Box 6, Bet-Dagan 50250, Israel
The detection of association between DNA markers and traits of interest in an outbred population is complicated and requires highly polymorphic markers. A genetic linkage map of avocado (Persea americana Mill.) recently generated consists of simple sequence repeat (SSR) markers as well as DNA fingerprint (DFP) and randomly amplified polymorphic DNA (RAPD) markers. These markers were used to detect putative quantitative trait loci (QTLs) of eight avocado fruit traits. Two statistical methods were used: one-way analysis of variance and interval mapping. Six traits were found to be associated with at least one of the 90 DNA markers. Based on the two statistical approaches, a putative QTL associated with the presence of fibers in the flesh, was found to be located on linkage group 3. This putative QTL was found to be associated with the SSR marker AVA04 having a high significant value (P = 4.4 x 10-8). The haplotype analysis of linkage group 3 showed a putative dominant interaction between the alleles of this locus.
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Association between DNA markers and loci controlling avocado traits
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Sharon, D., Dept. Fruit Trees, Genet. and Breed., Agricultural Research Organization, P.O. Box 6, Bet-Dagan 50250, Israel
Hillel, J., Department of Genetics, Faculty of Agriculture, Hebrew University of Jerusalem, P.O. Box 12, Rehovot 76100, Israel
Mhameed, S., Dept. Fruit Trees, Genet. and Breed., Agricultural Research Organization, P.O. Box 6, Bet-Dagan 50250, Israel
Cregan, P.B., U.S. Dept. Agric.-Agric. Res. Serv., Soybean and Alfalfa Res. Laboratory, Beltsville, MD 20705, United States
Lahav, E., Dept. Fruit Trees, Genet. and Breed., Agricultural Research Organization, P.O. Box 6, Bet-Dagan 50250, Israel
Lavi, U., Dept. Fruit Trees, Genet. and Breed., Agricultural Research Organization, P.O. Box 6, Bet-Dagan 50250, Israel
Association between DNA markers and loci controlling avocado traits
The detection of association between DNA markers and traits of interest in an outbred population is complicated and requires highly polymorphic markers. A genetic linkage map of avocado (Persea americana Mill.) recently generated consists of simple sequence repeat (SSR) markers as well as DNA fingerprint (DFP) and randomly amplified polymorphic DNA (RAPD) markers. These markers were used to detect putative quantitative trait loci (QTLs) of eight avocado fruit traits. Two statistical methods were used: one-way analysis of variance and interval mapping. Six traits were found to be associated with at least one of the 90 DNA markers. Based on the two statistical approaches, a putative QTL associated with the presence of fibers in the flesh, was found to be located on linkage group 3. This putative QTL was found to be associated with the SSR marker AVA04 having a high significant value (P = 4.4 x 10-8). The haplotype analysis of linkage group 3 showed a putative dominant interaction between the alleles of this locus.
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