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首页> 中文期刊> 《农业生物技术：英文版》 >Compressive Strength Parallel to Grain Variation of Different Clones of Populus deltoides Marsh.

Compressive Strength Parallel to Grain Variation of Different Clones of Populus deltoides Marsh.

         
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cqvip:In order to explore the differences in the compressive strength parallel to grain( CSPG) between different clones and individual woods of Populus deltoides Marsh.,the CSPGs of 5 15-year-old P. deltoides clones were determined and analyzed. The results showed that there were significant differences in CSPG of wood between different clones of P. deltoides. The CSPG of the tested clones reached more than 41 MPa,which was higher than the average compressive strength of P. deltoides( 32. 94 MPa). Similar to the changes of stem height,the CSPG of the clones gradually increased with the increase of stem height. However,there were significant differences in CSPG of an individual plant at different tree heights. The CSPG of P. deltoides clones was related with their growth traits,but not significantly. Therefore,it is expected to achieve simultaneous and independent improvement on CSPG and the growth of P. deltoides,so as to get excellent individuals with fast growth and high CSPG.

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