小麦、玉米两熟秸秆还田土壤中6种有机酸对小麦纹枯病的化感作用
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赵绪生,齐永志,闫翠梅,甄文超
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Allelopathy of Six Organic Acids on Wheat Sheath Blight in the Soil of Winter Wheat-Summer Maize Double Cropping Straw Returning System
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ZHAO XuSheng,QI YongZhi,YAN CuiMei,ZHEN WenChao
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表4 6种有机酸对小麦幼苗生长的作用
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Table 4 Effects of 6 organic acids on growth of wheat seedlings
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有机酸
Organic acid | 浓度
Concentration (μg·mL-1) | 根数
Number of root | 根长
Length of root (cm) | 根鲜重
Fresh weight of root (g) | 地上部鲜重
Fresh weight of shoot (g) | | Mean±SD | RI | Mean±SD | RI | Mean±SD | RI | Mean±SD | RI | 邻羟基苯甲酸
O-hydroxybenzoic acid | 50.0 | 2.1±0.1e | -0.60 | 3.4±0.5j | -0.84 | 0.1±0g | -0.98 | 0j | -1.00 | | 10.0 | 2.6±0.1d | -0.51 | 6.4±0.6f | -0.70 | 0.9±0.1f | -0.84 | 1.9±0.1i | -0.82 | | 2.0 | 2.8±0.1d | -0.47 | 13.5±0.2d | -0.37 | 2.0±0.1e | -0.64 | 3.4±0.2g | -0.67 | | 0.4 | 2.9±0.1d | -0.45 | 17.7±0.3b | -0.17 | 2.0±0.2e | -0.64 | 5.0±0.6ef | -0.52 | | 0.08 | 3.4±0.2c | -0.36 | 19.7±0.4b | -0.08 | 3.3±0.2cd | -0.41 | 6.8±0.3d | -0.35 | 对羟基苯甲酸
P-hydroxybenzoic acid | 50.0 | - | -1.00 | - | -1.00 | - | -1.00 | - | -1.00 | | 10.0 | 2.1±0.1e | -0.60 | 2.1±0.1j | -0.90 | 0.3±0.1g | -0.95 | 1.2±0.2i | -0.88 | | 2.0 | 2.9±0.1d | -0.45 | 7.8±0.4f | -0.64 | 1.1±0.2f | -0.80 | 2.1±0.1h | -0.80 | | 0.4 | 4.1±0.1b | -0.23 | 11.1±0.8d | -0.48 | 2.5±0.3e | -0.55 | 5.1±0.2f | -0.51 | | 0.08 | 4.2±0.1b | -0.21 | 18.1±0.5b | -0.15 | 3.1±0.2d | -0.45 | 6.4±0.3de | -0.38 | 苯甲酸
Benzoic acid | 50.0 | 3.0±0.1cd | -0.43 | 9.1±1.1ef | -0.57 | 1.7±0.1e | -0.70 | 2.7±0.2h | -0.74 | | 10.0 | 3.0±0.1cd | -0.43 | 10.5±1.4e | -0.51 | 2.1±0.1e | -0.63 | 3.7±0.2g | -0.64 | | 2.0 | 3.2±0.1c | -0.40 | 15.4±0.8d | -0.28 | 2.2±0.1e | -0.61 | 5.4±0.1e | -0.48 | | 0.4 | 3.7±0.1c | -0.30 | 17.7±0.9c | -0.17 | 3.6±0.2c | -0.36 | 7.4±0.3d | -0.29 | | 0.08 | 4.7±0.1b | -0.11 | 19.7±1.1b | -0.08 | 4.7±0.3b | -0.16 | 9.2±0.4b | -0.12 | 3-(4-羟基-3-甲氧基苯基)-2-丙烯酸
3-(4-hydroxy-3-
methoxyphenyl)-
2-acrylic acid | 50.0 | 2.8±0.1d | -0.47 | 8.8±0.0f | -0.59 | 1.0±0.0f | -0.82 | 2.0±0.1h | -0.81 | | 10.0 | 3.0±0.1cd | -0.43 | 10.4±0.1e | -0.51 | 2.1±0.1e | -0.63 | 3.7±0.1g | -0.64 | | 2.0 | 3.2±0.1cd | -0.40 | 12.5±0.2d | -0.42 | 2.2±0.1e | -0.61 | 5.3±0.2e | -0.49 | | 0.4 | 3.7±0.1c | -0.30 | 13.7±0.6cd | -0.36 | 3.6±0.2c | -0.36 | 7.4±0.2d | -0.29 | | 0.08 | 4.6±0.1b | -0.13 | 15.5±0.7c | -0.28 | 4.7±0.1b | -0.16 | 9.2±0.2b | -0.12 | 4-羟基-3-甲氧基-苯甲酸
4-hydroxy-3-
methoxy-
benzoic acid | 50.0 | 2.9±0.1d | -0.45 | 8.8±0.1f | -0.59 | 1.0±0.1f | -0.82 | 2.1±0.1h | -0.80 | | 10.0 | 3.1±0.1cd | -0.42 | 10.5±0.2e | -0.51 | 2.2±0.1e | -0.61 | 3.8±0.2g | -0.63 | | 2.0 | 3.3±0.1c | -0.38 | 12.7±0.4d | -0.41 | 2.3±0.1e | -0.59 | 5.6±0.3e | -0.46 | | 0.4 | 3.8±0.1c | -0.28 | 15.8±0.9c | -0.26 | 3.8±0.2c | -0.32 | 7.7±0.2c | -0.26 | | 0.08 | 4.8±0.1b | -0.09 | 18.8±0.4b | -0.12 | 4.9±0.3b | -0.13 | 9.6±0.2ab | -0.08 | 4-甲氧基邻氨基苯甲酸
4-methoxy-
anthranilic acid | 50.0 | 3.8±0.1c | -0.28 | 8.9±0.5f | -0.58 | 3.1±0.2d | -0.45 | 7.3±0.1d | -0.30 | | 10.0 | 3.8±0.1c | -0.28 | 10.6±0.7e | -0.50 | 3.4±0.1cd | -0.39 | 7.1±0.5d | -0.32 | | 2.0 | 4.6±0.1b | -0.13 | 14.9±0.3c | -0.30 | 4.5±0.1b | -0.20 | 8.0±0.2c | -0.23 | | 0.4 | 5.1±0.1ab | -0.04 | 16.1±0.5c | -0.25 | 5.0±0.2ab | -0.11 | 9.3±0.1b | -0.11 | | 0.08 | 5.2±0.1a | -0.02 | 19.2±0.7b | -0.10 | 5.3±0.3a | -0.05 | 10.6±0.3a | 0.02 | | CK | 0 | 5.3±0.1a | | 21.4±0.2a | | 5.6±0.2a | | 10.4±0.5a | |
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