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2 大穗看麦娘种群对唑啉草酯、炔草酯和精噁唑禾草灵抗性水平测定
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Table 2 Resistance level of A. myosuroides populations to pinoxaden, clodinafop-propargyl and fenoxaprop-P-ethyl
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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 | 唑啉草酯
Pinoxaden | 1 | 4.6163+1.2066x | 0.9429 | 1.64 (1.01-2.38) | 19.63 (15.24-26.10) | 1.00 | | 2 | 4.7433+1.1897x | 0.9777 | 1.87 (1.23-2.56) | 19.11 (11.48-26.95) | 1.14 | | 3 | 4.4679+1.3224x | 0.9325 | 2.53 (1.74-3.40) | 23.52 (18.61-30.79) | 1.54 | | 4 | 4.4646+1.2843x | 0.9502 | 2.61 (1.81-3.50) | 26.00 (20.39-34.45) | 1.59 | | 5 | 4.5855+1.3372x | 0.9399 | 2.04 (1.35-2.82) | 18.55 (14.76-24.00) | 1.24 | | 6 | 4.4631+1.3000x | 0.9448 | 2.59 (1.80-3.47) | 25.05 (19.72-33.04) | 1.58 | | 7 | 4.3568+1.4520x | 0.9436 | 2.77 (1.97-3.64) | 21.16 (17.06-27.00) | 1.69 | | 8 | 4.3950+1.3983x | 0.9624 | 2.71 (1.91-3.58) | 22.34 (17.88-28.80) | 1.65 | | 9 | 4.2807+1.4417x | 0.9605 | 3.15 (2.30-4.09) | 24.42 (19.60-31.47) | 1.92 | | 炔草酯Clodinafop-propargyl | 1 | 4.3066+1.8352x | 0.9850 | 2.39 (1.67-3.14) | 11.92 (9.93-14.31) | 1.48 | | 2 | 4.4946+1.8619x | 0.9777 | 1.87 (1.23-2.56) | 9.11 (7.48-10.95) | 1.16 | | 3 | 4.5096+1.5318x | 0.9777 | 2.09 (1.40-2.84) | 14.35 (11.68-17.81) | 1.30 | | 4 | 4.6245+1.3635x | 0.9672 | 1.89 (1.22-2.63) | 16.42 (13.11-20.96) | 1.17 | | 5 | 4.6924+1.4791x | 0.9567 | 1.61 (1.00-2.30) | 11.87 (9.54-14.79) | 1.00 | | 6 | 4.6894+1.3348x | 0.9451 | 1.71 (1.07-2.43) | 15.59 (12.39-19.95) | 1.06 | | 7 | 4.5763+1.5889x | 0.9668 | 1.85 (1.20-2.56) | 11.84 (9.64-14.55) | 1.15 | | 8 | 4.6349+1.6640x | 0.9714 | 1.66 (1.04-2.33) | 9.76 (7.91-11.92) | 1.03 | | 9 | 4.6081+1.5914x | 0.9655 | 1.76 (1.13-2.46) | 11.26 (9.15-13.83) | 1.09 | | 精噁唑禾草灵Fenoxaprop-P-ethyl | 1 | 4.5516+0.8188x | 0.9957 | 3.53 (2.30-5.00) | 109.64 (81.12-143.70) | 1.19 | | 2 | 4.5643+0.9184x | 0.9905 | 2.98 (1.96-4.18) | 74.12 (50.63-121.29) | 1.01 | | 3 | 4.4032+1.0545x | 0.8808 | 3.68 (2.60-4.91) | 60.42 (43.52-91.13) | 1.24 | | 4 | 4.5766+0.8415x | 0.9975 | 3.19 (2.06-4.52) | 106.16 (68.36-190.72) | 1.08 | | 5 | 4.3503+1.1587x | 0.9857 | 3.64 (2.62-4.78) | 46.42 (34.74-66.17) | 1.23 | | 6 | 4.5167+0.9471x | 0.9859 | 3.24 (2.18-4.47) | 73.04 (50.41-117.56) | 1.09 | | 7 | 4.4059+1.0140x | 0.8687 | 3.85 (2.71-5.16) | 70.75 (49.89-110.14) | 1.30 | | 8 | 4.4943+1.0737x | 0.8882 | 2.96 (2.03-4.02) | 56.20 (33.99-67.46) | 1.00 | | 9 | 4.4054+1.0744x | 0.8835 | 3.58 (2.53-4.77) | 55.75 (40.56-82.86) | 1.21 |
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