萘乙酸钠与吲哚丁酸钾对大豆苗期低温胁迫的缓解作用

杨昊, 谷文文, 方淑梅, 姜海鹏, 梁喜龙, 王庆燕

Alleviating Effects of 1-Naphthalene Acid and Indole-3-Butyric Acid Potassium Salt on Low Temperature Stress at Soybean Seedling Stage

Yang Hao, Gu Wenwen, Fang Shumei, Jiang Haipeng, Liang Xilong, Wang Qingyan

表2 NAA-Na与IBA-K包衣处理对低温胁迫下大豆地上部形态的影响

Table 2 Effects of NAA-Na and IBA-K coating treatments on aboveground morphology of soybean under low temperature stress

复温天数 Rewarming days (d) 处理 Treatment 株高 Plant height (cm) 茎粗 Stem diameter (cm) 叶鲜重 Leaf fresh weight (g) 茎鲜重 Stem fresh weight (g) 地上干重 Aboveground dry weight (g) 20 CK 24.40±0.67a 2.95±0.07a 2.48±0.20a 2.67±0.12a 0.74±0.04a LT 19.14±0.41c 2.04±0.61c 1.58±0.22c 1.56±0.16c 0.51±0.04b N 21.63±0.38b 2.60±0.08b 2.24±0.09ab 2.45±0.14ab 0.65±0.02a K 22.57±0.32ab 2.78±0.09ab 2.39±0.10a 2.17±0.11b 0.68±0.04a N+K 23.23±1.48ab 2.79±0.16ab 2.48±0.12ab 2.25±0.20ab 0.68±0.05a 25 CK 27.13±0.52a 3.11±0.12a 2.65±0.03a 2.81±0.06a 0.93±0.06a LT 23.20±0.71c 2.43±0.08b 2.00±0.13b 2.02±0.19b 0.66±0.03b N 25.33±1.48abc 2.89±0.02a 2.56±0.06a 2.72±0.08a 0.78±0.05ab K 24.23±0.37bc 2.85±0.15a 2.57±0.07a 2.63±0.05a 0.79±0.03ab N+K 26.93±0.59ab 2.89±0.09a 2.58±0.03a 2.68±0.08a 0.82±0.04a