JOURNAL OF NANJING FORESTRY UNIVERSITY ›› 2012, Vol. 36 ›› Issue (05): 26-30.doi: 10.3969/j.jssn.1000-2006.2012.05.004

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Differences of seedling growth traits and genetic stability of Quercus acutissima from different provenances

LIU Zhilong1, FANG Shengzuo2, YU Mukui3*, TANG Luozhong2, CHEN Hourong1, LI Wuzhi1   

  1. 1. The Experimental Center of Tropical Forestry, CAF, Pingxiang 532600, China;
    2. College of Forest Resources and Environment, Nanjing Forestry University, Nanjing 210037, China;
    3. Research Institute of Subtropical Forestry, CAF, Fuyang 311400, China
  • Online:2012-09-30 Published:2012-09-30

Abstract: Quercus acutissima Carr. is widely distributed in China and the growth of Q. acutissima seedlings is closely related to the geographical and climatic condition of the experimental site. In order to select the superior provenances and suitable distribution areas, it was necessary to study the difference of growth characters and genetic stability of different Q. acutissima provenances. Cultivation experiment of thirtysix Q. acutissima provenances was studied in three experimental sites. The growth increment of seedlings and growth stability were investigated and analysised. The results showed that seedling height and ground diameter were significantly different from different provenances and experimental sites. There was a significant interaction between provenance and experimental site, which proved provenance regionalization trail necessary. Based on mean value, regression coefficient and deviation from regression of seedling growth increment, thirtysix Q. acutissima provenances were divided into four groups:highyield stable type, highyield unstable type, slowyield stable type, slowyield unstable type.

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