Abstract

the chromosomal counting was carried out with 51 of annual Taiwan alder (Alnus formosana) by the wall degradation and hypotonic flame-drying method, and 6 aneuploid plants has been selected from these seedings. The viable aneuploid chromosome numbers included 2n=52 (No.4),2n=42 (No.19),2n=54(No.21),2n=50(No.24),2n=56,112 (No.25),2n=52(No.33). Subsequently, the ISSR was taken to analyze the genome of these aneuploid plants,and 5 primers were obtained from 57 which could separate 6 aneuploid plants. And the ratio of polymorphism was more than 78.2%.

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