砧穗互作对菊花嫁接苗耐盐性的影响

孟蕊,刘晔,赵爽,房伟民,蒋甲福,陈素梅,陈发棣,管志勇

Effects of Rootstock and Scion Interaction on Salt Tolerance of Grafted Chrysanthemum Seedlings

MENG Rui,LIU Ye,ZHAO Shuang,FANG WeiMin,JIANG JiaFu,CHEN SuMei,CHEN FaDi,GUAN ZhiYong

表2 嫁接对菊花‘钟山嫣红’在120 mmol·L-1 NaCl胁迫下叶片SOD、POD、CAT活性的影响

Table 2 The effect of 120 mmol·L-1 NaCl treatment on the activity of SOD, POD, CAT of chrysanthemum Zhongshan Yanhong

指标 Index 时间 Time (d) 自根苗+CK Self-rooted seedlings+CK 自接苗+CK Self-grafted seedlings+CK 异根嫁接苗+CK Hetero-root grafted seedlings+CK 自根苗+NaCl Self-rooted seedlings+NaCl 自接苗+NaCl Self-grafted seedlings+NaCl 异根嫁接苗+NaCl Hetero-root grafted seedlings+NaCl 超氧化物歧 化酶 SOD 0 1497.541c 1723.173b 1999.418a 1565.914c 1749.872b 1926.829a 1 1515.774ab 1434.051b 1589.519a 1033.416d 1282.002c 1564.286ab 4 1437.860e 1585.461d 2110.881a 858.959f 1777.534c 1890.630b 8 1364.903c 1825.189b 2089.685a 1104.757d 1255.950c 1853.107b 过氧化物酶 POD 0 150.400ab 153.667a 147.200b 153.000a 153.100a 149.960ab 1 148.600c 153.500b 148.920bc 147.467c 159.700a 147.967c 4 152.833a 151.300ab 148.960ab 141.100c 142.500c 146.567bc 8 147.633a 148.733a 147.400a 130.700b 127.100b 144.167a 过氧化氢酶 CAT 0 30.360b 35.901a 29.672b 28.773b 31.577b 30.811b 1 27.826d 40.139c 33.855cd 34.974cd 81.653a 62.958b 4 50.822c 63.389a 57.141b 33.383d 67.180a 49.207c 8 58.834ab 65.549a 51.922bc 22.544d 50.527bc 45.853c