Paterson, A.H. and Lander, E.S. and Hewitt, J.D. and Peterson, S. and et al, . (1988) Resolution of quantitative traits into Mendelian factors by using a complete linkage map of restriction fragment length polymorphisms. Nature, 335 (6192). pp. 721-726.
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Abstract
By backcrossing a wild South American green-fruited tomato, Lycopersicon chmielewskii, with the L. esculentum cultivar UC82B (the recurrent parent) 237 plants were produced and the fruit mass, soluble solids concentration and pH of 5-20 fruits per plant were assayed. The plants were also scored for 63 restriction fragment length polymorphisms (RFLPs), 5 isoenzyme markers and 2 simple morphological traits, and a linkage map created using the MAPMAKER computer program. This corresponded well with a previous map for a L. esculentum X L. pennellii cross. By analysing the association of the 3 quality characters with the 70 markers among the plants, maximum likelihood maps were established for the linkage of quantitative trait loci (QTL). Six QTL controlling fruit mass, 4 for the concentration of soluble solids and 5 for fruit pH were identified. The dissection of quantitative traits into discrete genetic factors using RFLPs is thought to have wide applicability in breeding (in plants and animals) and might lead to the molecular cloning of the genes involved
| Item Type: | Article |
|---|---|
| Additional Information: | SNNigam Collection |
| Author Affiliation: | Dep. Pl. Breed. & Biometry, Cornell Univ., Ithaca, NY 14853, USA. |
| Subjects: | Statistics and Experimentation Crop Improvement |
| Divisions: | General |
| Depositing User: | Mr B Krishnamurthy |
| Date Deposited: | 22 Apr 2013 09:21 |
| Last Modified: | 22 Apr 2013 09:21 |
| Official URL: | http://dx.doi.org/10.1038/335721a0 |
| URI: | http://eprints.icrisat.ac.in/id/eprint/10325 |
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