山东省小麦田大穗看麦娘抗性水平、靶标抗性机理及田间防除效果测定
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高兴祥,李健,张悦丽,李美,房锋
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Resistance Level, Mechanism of Alopecurus myosuroides and Control Efficacy in Wheat Field in Shandong Province
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GAO XingXiang,LI Jian,ZHANG YueLi,LI Mei,FANG Feng
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表1 大穗看麦娘种群对甲基二磺隆、啶磺草胺抗性水平测定
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Table 1 Resistance level of A. myosuroides populations to mesosulfuron-methyl and pyroxsulam
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药剂
Herbicide | 种群编号
Number of population | 回归方程
Regression equation
(y=) | 相关系数Correlation coefficient | GR50 (g·hm-2)
(95% CL) | GR90 (g·hm-2)
(95% CL) | 相对抗性指数
RI | | 甲基二磺隆Mesosulfuron-methyl | 1 | 4.8011+1.2453x | 0.9756 | 1.44 (1.02-1.92) | 15.44 (11.96-20.90) | 2.03 | | 2 | 5.0663+1.1225x | 0.9932 | 0.87 (0.54-1.26) | 12.10 (9.23-16.55) | 1.23 | | 3 | 4.8753+1.5563x | 0.9535 | 1.20 (0.47-2.08) | 8.01 (5.19-13.43) | 1.69 | | 4 | 5.0964+1.1904x | 0.9342 | 0.83 (0.27-1.58) | 9.90 (6.10-18.34) | 1.17 | | 5 | 5.2020+1.8078x | 0.9292 | 0.77 (0.48-1.10) | 3.95 (3.18-4.80) | 1.08 | | 6 | 5.1410+1.0520x | 0.9019 | 0.73 (0.43-1.10) | 12.14 (9.12-16.95) | 1.03 | | 7 | 5.2486+1.6669x | 0.9241 | 0.71 (0.43-1.03) | 4.17 (3.33-5.11) | 1.00 | | 8 | 4.2554+0.7059x | 0.9752 | 11.34 (7.96-17.07) | 741.59 (315.44-2558.27) | 15.97 | | 9 | 4.9515+1.9814x | 0.9770 | 1.06 (0.73-1.41) | 4.69 (3.90-5.58) | 1.49 | 啶磺草胺
Pyroxsulam | 1 | 5.2960+1.1712x | 0.9327 | 0.56 (0.31-0.87) | 6.94 (5.34-9.15) | 1.65 | | 2 | 5.3536+1.1046x | 0.9361 | 0.48 (0.25-0.77) | 6.92 (5.24-9.27) | 1.41 | | 3 | 5.1644+1.1325x | 0.9221 | 0.72 (0.42-1.06) | 9.69 (7.44-13.06) | 2.12 | | 4 | 5.3877+1.4096x | 0.9643 | 0.53 (0.29-0.82) | 4.31 (3.33-5.45) | 1.56 | | 5 | 5.3531+1.2250x | 0.9413 | 0.51 (0.27-0.81) | 5.73 (4.40-7.44) | 1.50 | | 6 | 5.3454+0.7355x | 0.8265 | 0.34 (0.14-0.63) | 18.74 (12.40-32.00) | 1.00 | | 7 | 5.2316+0.8877x | 0.8704 | 0.55 (0.28-0.89) | 15.23 (10.85-23.08) | 1.62 | | 8 | 4.4847+0.4271x | 0.9471 | 16.09 (9.07-35.02) | 1613.87 (241.47-5545.1) | 47.32 | | 9 | 6.0290+1.3518x | 0.9271 | 0.34 (0.24-0.69) | 11.54 (6.83-20.28) | 1.00 |
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