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| Study on seed phenotypic traits and germination of Calophyllum inophyllum L. with different provenances on Hainan Island |
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| Abstract: |
| The phenotypic traits，germination features and the relationships between them of Calophyllum
inophyllum from three different northeast-coast places of Hainan including Haikou，Qionghai and Wenchang were
studied. Results showed that significant differences were found among provenances，followed as Haikou > Wenchang >
Qionghai in length，width and thickness of seed and fruit stone and air-dry weight of fruit stone. Among three different
provenances，the highest germination rate，germination potential，germination index and height of 2 months seedlings
occurred in Wenchang provenance. The result of correlation analysis showed that the germination rate，germination
potential and germination index had significantly positive correlation with air-dry weight，length，width and thickness of
fruit stone. Result indicated that the treatment of 100 mg/L GA3 had the highest germination rate，germination potential
and germination index. It was clear that phenotypic traits and germination features differed significantly and had positive
correlation among different provenances，and appropriate concentration of plant growth regulator could promote the seed
germination |
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