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《China Forestry Science and Technology》 2012-01
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Differences of morphological characters and nutrient contents of Quercus variabilis seeds from different provenances

CHEN Su-chuan,XIAO Zheng-dong,JIN Xiao-long,CAI Xin-ling,SUN Qi-qiang Forestry Academy of Anhui Province,Hefei 230031,China  
Seed morphological characters and nutrient contents of Quercus variabilis,from twenty-eight provenances were analyzed.The results showed that there were highly significant differences in seed length,seed width,one thousand-seed weight and contents of soluble sugar,starch and protein of Q.variabilis seeds.The length and width of seeds were 1.56-2.38 cm and 1.22-1.96 cm respectively.One thousand-seed weight was 1.45-5.45 kg.And the contents of soluble sugar,starch and protein were 1.817%-6.325%,42.461%-80.274%,2.699%-9.694% respectively.One thousand-seed weight had a significant positive correlation with length,width.And seed length also had a significant positive correlation with seed width.The result of principal component analysis indicated that seed length,seed width and one thousand-seed weight were the main determinant characters to seed quality of Q.variabilis.As a preliminary result,eight excellent provenances from Menghai of Yunnan,No.1 of Chengbu in Hunan,No.1 of Jinzhai in Anhui,Youyang of Chongqing,No.1 of Mengyin in Shandong,Jingde of Anhui,Jixi of Anhui and No.2 of Jinzhai in Anhui were selected for the further study.
【Fund】: 国家科技基础条件平台建设项目“安徽区域性林木种质整理整合与共享”(2005DKA21003);; 国家林业局推广项目“安徽低丘区优良植物材料推广”([2007]94号)
【CateGory Index】: S792.18
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