干旱胁迫对桢楠幼树渗透调节与活性氧代谢的影响及施氮的缓解效应
|
王曦,胡红玲,胡庭兴,张城浩,王鑫,刘丹
|
Effects of drought stress on the osmotic adjustment and active oxygen metabolism of Phoebe zhennan seedlings and its alleviation by nitrogen application
|
Xi WANG,Hong-Ling HU,Ting-Xing HU,Cheng-Hao ZHANG,Xin WANG,Dan LIU
|
|
表6 施氮结束后30天桢楠幼树过氧化氢的含量(平均值±标准偏差) |
Table 6 H2O2 content in Phoebe zhennan seedlings 30 days after the last nitrogen application (mean ± SD) |
|
处理 Treatment | 土壤含水量 Soil moisture content | 80% FC | 50% FC | 30% FC | 15% FC | 平均值 Mean | 氮水平 N level | N0 | 127.49 ± 6.40Ab | 141.71 ± 2.68Aa | 132.09 ± 2.59Ab | 123.57 ± 7.03Ab | 131.21 ± 8.30C | MN | 112.22 ± 10.23Bb | 130.13 ± 3.08Ba | 110.92 ± 3.12Cb | 101.57 ± 6.07Ac | 113.71 ± 12.07B | HN | 116.72 ± 0.08Bab | 115.01 ± 1.02Cb | 122.61 ± 0.96Bab | 125.21 ± 3.07Ba | 119.89 ± 4.60A | 平均值 Mean | 118.81 ± 9.10bc | 128.95 ± 11.79a | 121.88 ± 9.42b | 116.78 ± 12.43c | | F(SW×SN) | 212.35** | | F(SW) | 255.08** | | F(SN) | 945.69** | |
|
|
|