湿地松抗病种子园的遗传多样性分析

doi:10.11707/j.1001-7488.2000S107

Scientia Silvae Sinicae ›› 2000, Vol. 36 ›› Issue (zk): 51-55.doi: 10.11707/j.1001-7488.2000S107

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GENETIC VARIATION OF RAPD MARKERS IN A DISEASE RESISTANT SEED ORCHARD OF PINUS ELLIOTTII ENGELM

Yi Nengjun,Hang Zhengmin,Yin Tongming,Huang Minren,Cao Hanyang

Forest Genetics and Gene Engineering Lab, Nanjing Forestry University Nanjing210037;Fujian Guanzuang Forest Farm Sha county366500

Received:1998-05-04 Revised:1900-01-01 Online:2001-01-25 Published:2001-01-25

Abstract

Abstract:

Genetic variation and linkage disequilibrium in a disease resistant seed orchard of Pinus elliottii Engelm were investigated by using RAPD markers in this paper. The results showed that the effective number of alleles per locus ranged between 1.047 and 1.996, averaging 1.449; Estimates of gene diversity per locus ranged between 0.0449 and 0.499, averaging 0.2781;and the Shannon's information index ranged between 0.1095 and 0.6922, averaging 0.4327. The order of these three measures per locus was the same. Out of 5356 pairs of RAPD loci in 104 segragating loci, 355 pairs showed significant deviations from linkage equilibrium. These results indicated that high genetic variation and linkage disequilibrium were harbored in this seed orchard.

Key words: Pinus elliottii Engelm, Seed orchard, RAPD markers, Genetic diversity, Linkage disequilibrium

Yi Nengjun;Hang Zhengmin;Yin Tongming;Huang Minren;Cao Hanyang. GENETIC VARIATION OF RAPD MARKERS IN A DISEASE RESISTANT SEED ORCHARD OF PINUS ELLIOTTII ENGELM[J]. Scientia Silvae Sinicae, 2000, 36(zk): 51-55.

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GENETIC VARIATION OF RAPD MARKERS IN A DISEASE RESISTANT SEED ORCHARD OF PINUS ELLIOTTII ENGELM

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