不同蔗区甘蔗品种（系）分蘖性状比较及其对产量和产量构成因子的影响

李佳慧, 程琴, 欧克纬, 谭秦亮, 庞新华, 周全光, 吕平, 宋奇琦, 唐毓玮, 朱鹏锦

Comparison of Tiller Characters of Sugarcane Varieties (Lines) in Different Sugarcane Regions and Their Effects on Yield and Yield Components

Li Jiahui, Cheng Qin, Ou Kewei, Tan Qinliang, Pang Xinhua, Zhou Quanguang, Lü Ping, Song Qiqi, Tang Yuwei, Zhu Pengjin

表7 低分蘖甘蔗品种（系）分蘖农艺性状和产量构成因子的相关性

Table 7 Correlation between tiller agronomic traits and yield components of low-tillering sugarcane varieties (lines)

性状 Trait 基本苗数 Basic shoot 分蘖苗数 Tiller 总苗数 Total shoots 分蘖率 Tillering rate 有效茎数 Available cane number 茎长 Stem length 茎径 Stem diameter 单茎重 Single stem weight 理论产量 Theoretical yield 基本苗数Basic shoot 1 分蘖苗数Tiller 0.55 1 总苗数Total shoots 0.82** 0.93** 1 分蘖率Tillering rate -0.05 0.79** 0.52 1 有效茎数Available cane number 0.28 0.70* 0.60 0.68* 1 茎长Stem length 0.41 0.36 0.43 0.11 0.04 1 茎径Stem diameter 0.30 -0.42 -0.16 -0.71* -0.59 0.39 1 单茎重Single stem weight 0.58 0.34 0.49 0.04 0.20 0.84** 0.38 1 理论产量Theoretical yield 0.41 0.48 0.47 0.30 0.57 0.74* 0.04 0.83** 1