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A preliminary study on isozymes of Magnolia officinalis from different provenances

Yuqiu Zhu, Zaikang Tong, Jinping Si

Abstract

Leaf samples from 130 individual trees in a 5-year experimental stand belonging to 13 provenances of Magnolia officinalis were collected for an analysis of isozyme systems , vix .POD , EST and GOT by means of SDS-PAGE .The results indicated that the isozymes of GOT for different provenances only had one band and allele segregation exists between the provenance from Hubei and other provenance isozyems of POD and EST had 7 and 10 bands , respectively .Class groups were divided on the basis of separate analysis of the band patterns of the 3 enzyme systems and cluster analysis of similarity coefficients conform with types of leaf shape differentiation .

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Key concepts: Isozyme, Magnolia officinalis, Biology, Point of delivery, Provenance, Botany, Similarity (geometry), Enzyme