Indexes of Tree Structure of Cylindrical Pear Orchards at the Sapling Stage  

作　　者：Shuwei WEI Shaomin WANG Ran DONG Xiaochang DONG 

机构地区：[1]Shandong Institute of Pomology

出　　处：《Agricultural Biotechnology》2019年第3期145-146,共2页农业生物技术（英文版）

基　　金：Supported by Special Project for Construction of National Pear Industry Technology System(CARS-28-36);National Natural Science Foundation of China(31601708);Agricultural Science and Technology Innovation Project of Shandong Academy of Agricultural Sciences(CXGC2018F03);Agricultural Seed Improvement Project of Shandong Province,China(2016LZGC034);Major Science and Technology Innovation Project of Shandong Province,China(2018CXGC0208)

摘　　要：The reasonable tree and population structure parameters of various cylindrical pear orchards were studied.The results showed that for 3-year-old ‘Xinli No.7’,the tree height was 3.48 m,and the trunk height was 63 cm;there were 63 branches per plant,which was equivalent to 19 971 branches per 667 m^2;the leaf area index was 1.62.For the 3-year-old ‘Xueqing’,the tree height was 3.03 m,and the trunk height was 74 cm;the number of branches per plant was 57,which was equivalent to 18 069 branches per 667 m^2;the leaf area index was 1.73.The cylindrical trees of the two varieties had the following characteristics: the canopy structure was tight;the branches were equally distributed,and the number of medium branches and short branches accounted for more than 60% of the total number of branches of the whole plant.The reasonable tree and population structure parameters of various cylindrical pear orchards were studied. The results showed that for 3-year-old ‘Xinli No. 7’, the tree height was 3.48 m, and the trunk height was 63 cm; there were 63 branches per plant, which was equivalent to 19971 branches per 667 m^2; the leaf area index was 1.62. For the 3-year-old ‘Xueqing’, the tree height was 3.03 m, and the trunk height was 74 cm; the number of branches per plant was 57, which was equivalent to 18 069 branches per 667 m^2; the leaf area index was 1.73. The cylindrical trees of the two varieties had the following characteristics: the canopy structure was tight; the branches were equally distributed, and the number of medium branches and short branches accounted for more than 60% of the total number of branches of the whole plant.

关 键 词：PEAR SAPLING CYLINDRICAL 

分 类 号：S[农业科学]