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Linkage of random amplified polymorphic DNA, isozyme and morphological markers in grasspea (Lathyrus sativus)



Linkage of random amplified polymorphic DNA, isozyme and morphological markers in grasspea (Lathyrus sativus)



Journal of Agricultural Science 133(4): 389-395



We constructed a genetic linkage map of grasspea (Lathyrus sativus L.; 2n = 14) from 100 F2 individuals derived from a cross between PI 426891.1.3 and PI 283564c.3.2. A total of 71 RAPD, three isozyme and one morphological markers segregated in the F2 progeny. A small fraction of markers (12%) deviated significantly from the expected Mendelian ratio (1:2:1 or 3:1). Out of 75 markers, 69 (one morphological, three isozyme and 65 RAPD markers) were assigned to 14 linkage groups comprising 898 cM. The average distance between two adjacent markers was 17.2 cM. The present linkage map will serve as a reference point for further linkage studies in grasspea.

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Accession: 003490318

Download citation: RISBibTeXText

DOI: 10.1017/S0021859699007108



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