Genetic studies in a tropical pine - Pinus kesiya I. inheritance of some isoenzymes and linkage among allozyme loci


Citation

Boyle T.J.B., . and Liengsiri C., . and Piewluang C., . Genetic studies in a tropical pine - Pinus kesiya I. inheritance of some isoenzymes and linkage among allozyme loci. pp. 35-43. ISSN 0128-1283

Abstract

Up to 15 embryo-gametophyte pairs from each of 38 parent trees of Pinus kesiya Royle ex Gordon were assayed using starch gel electrophoresis and the staining pattern observed for 18 isoenzyme loci. For 14 of these loci haploid megagametophyte genotypes were recorded allowing an analysis of single and multilocus segregation ratios. Results indicated that there were no significant deviations from the expected 1:1 ratio of haploid genotypes from heterozygotic parents at any locus. Thus simple Mendelian inheritance can be assumed. Deviation from a 1:1:1:1 two-locus ratio of doubly heterozygous parents indicating linkage was detected for the locus pair 6PG-1 : 6PG-2.


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Abstract

Up to 15 embryo-gametophyte pairs from each of 38 parent trees of Pinus kesiya Royle ex Gordon were assayed using starch gel electrophoresis and the staining pattern observed for 18 isoenzyme loci. For 14 of these loci haploid megagametophyte genotypes were recorded allowing an analysis of single and multilocus segregation ratios. Results indicated that there were no significant deviations from the expected 1:1 ratio of haploid genotypes from heterozygotic parents at any locus. Thus simple Mendelian inheritance can be assumed. Deviation from a 1:1:1:1 two-locus ratio of doubly heterozygous parents indicating linkage was detected for the locus pair 6PG-1 : 6PG-2.

Additional Metadata

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Item Type: Article
AGROVOC Term: Pinus kesiya
AGROVOC Term: Pine forests
AGROVOC Term: Seeds
AGROVOC Term: Loci
AGROVOC Term: Data analysis
AGROVOC Term: Genetic inheritance
AGROVOC Term: Isoenzymes
AGROVOC Term: Allozymes
AGROVOC Term: plant genetics
AGROVOC Term: Forest management
Depositing User: Ms. Suzila Mohamad Kasim
Last Modified: 24 Apr 2025 06:27
URI: http://webagris.upm.edu.my/id/eprint/22626

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