成熟期蔗叶离区细胞结构特点及PG含量变化分析

欧克纬, 卢业飞, 农泽梅, 朱鹏锦, 庞新华, 宋奇琦, 吕平

Analysis of Cell Structure Characteristics and Polygalacturonase Content Changes in Sugarcane Leaves Abscission Zone at Maturity Stage

Ou Kewei, Lu Yefei, Nong Zemei, Zhu Pengjin, Pang Xinhua, Song Qiqi, Lü Ping

表2 自然脱叶率与各部位PG含量之间的关联度

Table 2 Association of PG contents of different positions with natural leaf defoliation rates

因子Factor 关联系数Correlation coefficient 排序Ranking 叶片（+8）Leaf (+8) 0.3833 1 叶鞘中部（+5）Leaf sheath central (+5) 0.3802 2 叶鞘基部（+8）Leaf sheath base (+8) 0.3577 3 叶鞘基部（+5）Leaf sheath base (+5) 0.3248 4 叶鞘基部（+2）Leaf sheath base (+2) 0.2998 5 叶片（+2）Leaf (+2) 0.2936 6 叶鞘中部（+8）Leaf sheath central (+8) 0.2881 7 叶鞘中部（+2）Leaf sheath central (+2) 0.2880 8 叶片（+5）Leaf (+5) 0.2520 9