沙蒿（Artemisia desertorum）浸提液对自身种子萌发与幼苗生长的化感作用

王方琳, 尉秋实, 柴成武, 王理德, 张德魁, 王昱淇, 王飞, 胡小柯

Allelopathic effects of Artemisia desertorum extracts on its own seed germination and seedling growth

Fanglin Wang, Qiushi Yu, Chengwu Chai, Lide Wang, Dekui Zhang, Yuqi Wang, Fei Wang, Xiaoke Hu

表3 沙蒿不同浸提液对自身种子萌发与幼苗生长的化感综合效应

Table 3 Allelopathic effects of different extracts on seed germination and seedling growth of Artemisia desertorum

浸提液 种类 浓度 /% 种子萌发 幼苗形态 幼苗生理 萌发率 萌发指数 RI/% 苗高 根长 苗干重 根干重 RI/% 相对电导率 叶绿素 丙二醛 RI/% 根 5 3.50 3.80 3.65 -8.67 -5.06 0.02 3.37 -2.59 1.64 2.61 0.90 1.72 25 8.54 18.99 13.77 -10.98 -2.17 7.05 4.33 -0.44 6.10 7.83 1.63 5.19 50 42.56 33.13 37.85 7.83 8.44 15.40 22.22 13.47 23.47 6.09 2.53 10.70 100 68.98 49.63 59.31 18.01 21.44 17.02 37.89 23.59 37.79 15.65 9.95 21.13 RI/% 30.90 26.39 28.64 1.55 5.66 9.87 16.95 8.51 17.25 8.04 3.75 9.68 枝叶 5 11.53 23.69 17.61 0.30 2.58 3.43 6.30 3.15 -1.88 0.87 5.06 1.35 25 19.56 37.32 28.44 8.74 2.44 10.26 22.70 11.03 8.22 6.09 9.95 8.09 50 41.54 48.09 44.82 15.35 10.35 22.19 28.04 18.98 38.73 17.39 25.50 27.21 100 77.17 69.46 73.31 28.04 26.58 32.55 51.81 34.75 49.77 23.48 31.46 34.90 RI/% 37.45 44.64 41.04 13.11 10.49 17.11 27.21 16.98 23.71 11.96 17.99 17.89 枯落物 5 -1.68 6.03 2.18 -4.32 -7.84 -6.79 -6.15 -6.28 -1.17 0.00 0.54 -0.21 25 -2.29 8.49 3.10 -9.60 -8.05 -5.36 -12.04 -8.76 -3.05 -3.48 -4.52 -3.68 50 17.25 28.35 22.80 -0.06 -4.84 -3.95 -8.07 -4.23 -10.56 -11.30 -13.38 -11.75 100 42.73 28.48 35.60 17.43 9.07 6.48 12.44 11.35 19.95 0.87 -15.73 1.70 RI/% 14.00 17.84 15.92 0.86 -2.92 -2.40 -3.45 -1.98 1.29 -3.48 -8.27 -3.49