
Control Efficacy of 7 Pre-emergence Herbicides Against Weeds in Winter Wheat Field
WU Cuixia, XU Jiali, SONG Min, YANG Lina, ZHANG Tiantian, MA Chong
Control Efficacy of 7 Pre-emergence Herbicides Against Weeds in Winter Wheat Field
In order to clarify the control efficacy of 7 pre-emergence herbicides against the annual weeds and their safety to winter wheat, the differences of control efficacy and safety of the herbicides between two modes of watering before and after herbicide application were compared in field according to Pesticide-Guidelines for the Field Efficacy Trails. The results showed that the total control efficacy under the watering mode after herbicide application was better than that under watering before herbicide application. Under the watering mode after herbicide application, the reduction in both weed number and biomass of Galium aparine, Descurainia Sophia and Alopecurus aequalis caused by flufenacet were higher than 95% at 150 days after treatment (DAT). Oxadiazon at 720 g active ingredient caused over 95% reduction in biomass of D. Sophia and A. aequalis, and over 85% reduction in biomass of G. aparine at 150 DAT. Based on the comprehensive analysis of safety, control efficacy and herbicide reduction, it is recommended to use flufenacet and oxadiazon for pre-emergence application in wheat field, which have ideal control efficacy with application once.
pre-emergence herbicide / winter wheat / weeds / control efficacy / safety {{custom_keyword}} /
表1 7种土壤处理除草剂药后30天对冬小麦田杂草株数防效 % |
处理 | 药剂 | 有效量/(g/hm2) | 猪殃殃 | 播娘蒿 | 看麦娘 | 杂草总体 |
---|---|---|---|---|---|---|
1 | 60%氟噻草胺水分散粒剂 | 720.00 | 42.24 a | 85.14 ab | 100.00 a | 45.70 ab |
2 | 1080.00 | 44.07 a | 90.55 ab | 100.00 a | 47.90 a | |
3 | 50%异丙隆可湿性粉剂 | 1500.00 | 1.28 c | 65.08 b | 81.90 abc | 8.60 d |
4 | 2250.00 | 9.76 bc | 100.00 a | 100.00 a | 17.74 bcd | |
5 | 25%噻吩磺隆可湿性粉剂 | 37.50 | 10.81 bc | 90.55 ab | 35.95 d | 16.41 cd |
6 | 45.00 | 29.79 ab | 90.69 ab | 46.97 cd | 34.08 abc | |
7 | 900g/L乙草胺乳油 | 1200.00 | 25.53 ab | 89.18 ab | 91.67 ab | 30.88abcd |
8 | 1800.00 | 32.17 ab | 94.59 ab | 93.33 ab | 37.53 abc | |
9 | 25%噁草酮乳油 | 480.00 | 27.56 ab | 86.51 ab | 81.90 abc | 32.46abcd |
10 | 720.00 | 36.67 ab | 100.00 a | 86.67 ab | 41.02 abc | |
11 | 33%二甲戊灵乳油 | 990.00 | 40.87 ab | 78.57 ab | 70.48 abcd | 43.65 abc |
12 | 1485.00 | 46.38 a | 80.95 ab | 93.33 ab | 50.23 a | |
13 | 70%氟唑磺隆水分散粒剂 | 42.00 | 21.94 abc | 94.44 b | 63.81 bcd | 27.35abcd |
14 | 63.00 | 48.26 a | 100.00 a | 100.00 a | 52.82 a |
注:同一列不同小写字母表示经Duncan新复极差法检验在P<0.05水平差异显著,下同。 |
表2 7种土壤处理除草剂药后150天对冬小麦田杂草株数防效 % |
处理 | 药剂 | 有效量/(g/hm2) | 猪殃殃 | 播娘蒿 | 看麦娘 | 杂草总体 |
---|---|---|---|---|---|---|
1 | 60%氟噻草胺水分散粒剂 | 720.00 | 98.12 ab | 51.40 cd | 71.73 a | 93.05 ab |
2 | 1080.00 | 100.00 a | 65.37 bcd | 75.86 a | 95.53 a | |
3 | 50%异丙隆可湿性粉剂 | 1500.00 | 1.83 h | 71.97 bcd | 49.09 a | 9.97 h |
4 | 2250.00 | 5.26gh | 96.41 a | 77.01 a | 16.25 gf | |
5 | 25%噻吩磺隆可湿性粉剂 | 37.50 | 19.82 fgh | 49.25 d | 30.21 a | 23.64 fgh |
6 | 45.00 | 23.23 fgh | 75.53abcd | 34.82 a | 29.47 fgh | |
7 | 900g/L乙草胺乳油 | 1200.00 | 71.97 cd | 57.55 bcd | 49.01 a | 70.57cd |
8 | 1800.00 | 81.09 bc | 79.71abcd | 73.74 a | 80.81bc | |
9 | 25%噁草酮乳油 | 480.00 | 29.58def | 50.86 cd | 75.18 a | 34.40fgh |
10 | 720.00 | 33.00ef | 73.94 bcd | 78.79 a | 39.77efD | |
11 | 33%二甲戊灵乳油 | 990.00 | 43.57def | 69.25 bcd | 67.76 a | 47.74def |
12 | 1485.00 | 55.46 cde | 86.38 ab | 68.38 a | 59.66cde | |
13 | 70%氟唑磺隆水分散粒剂 | 42.00 | 26.89 efg | 82.75 abc | 58.62 a | 35.43efg |
14 | 63.00 | 30.02efg | 89.53 ab | 85.06 a | 37.65efg |
表3 7种土壤处理除草剂药后150天对冬小麦田杂草鲜重防效 % |
处理 | 药剂 | 有效量/(g/hm2) | 猪殃殃 | 播娘蒿 | 看麦娘 | 杂草总体 |
---|---|---|---|---|---|---|
1 | 60%氟噻草胺水分散粒剂 | 720.00 | 98.68 a | 68.35 cd | 80.43 a | 95.29 a |
2 | 1080.00 | 100.00 a | 79.52 abcd | 85.53 a | 97.14 a | |
3 | 50%异丙隆可湿性粉剂 | 1500.00 | 23.01 h | 81.77 abcd | 55.11 a | 30.21 h |
4 | 2250.00 | 30.61 gh | 97.55 a | 81.37 a | 38.78 gh | |
5 | 25%噻吩磺隆可湿性粉剂 | 37.50 | 41.83 fg | 67.04 d | 45.09 a | 46.09 fg |
6 | 45.00 | 48.20 efgD | 83.33 abcd | 56.29 a | 54.03 ef | |
7 | 900g/L乙草胺乳油 | 1200.00 | 77.80 bc | 71.81 bcd | 58.21 a | 77.84 bc |
8 | 1800.00 | 85.52 b | 88.28 abcd | 82.66 a | 85.71 b | |
9 | 25%噁草酮乳油 | 480.00 | 53.09 def | 62.54 d | 83.89 a | 56.77 def |
10 | 720.00 | 60.41 de | 83.72 abcd | 89.98 a | 64.30 de | |
11 | 33%二甲戊灵乳油 | 990.00 | 65.73cdeB | 79.97 bcd | 72.04 a | 68.35 cde |
12 | 1485.00 | 67.06 cd | 91.36 abc | 78.35 a | 70.89 cd | |
13 | 70%氟唑磺隆水分散粒剂 | 42.00 | 40.13 fg | 88.70 abcd | 67.24 a | 47.77 fg |
14 | 63.00 | 52.34 def | 92.93 ab | 90.49 a | 58.04 |
表4 7种土壤处理除草剂药后30天对冬小麦田杂草株数防效 % |
处理 | 药剂 | 有效量/(g/hm2) | 猪殃殃 | 播娘蒿 | 看麦娘 | 杂草总体 |
---|---|---|---|---|---|---|
1 | 60%氟噻草胺水分散粒剂 | 720.00 | 92.39 a | 98.18 b | 100.00 a | 95.35 a |
2 | 1080.00 | 97.10 a | 100.00 a | 100.00 a | 98.36 a | |
3 | 50%异丙隆可湿性粉剂 | 1500.00 | 19.01 e | 100.00 a | 99.13 b | 55.07 e |
4 | 2250.00 | 44.93 cde | 100.00 a | 100.00 a | 68.77cde | |
5 | 25%噻吩磺隆可湿性粉剂 | 37.50 | 34.57 cde | 100.00 a | 61.00 d | 54.12e |
6 | 45.00 | 39.77 cde | 100.00 a | 67.44 c | 58.61de | |
7 | 900g/L乙草胺乳油 | 1200.00 | 57.54bc | 100.00 a | 100.00 a | 79.04bc |
8 | 1800.00 | 87.57 a | 100.00 a | 100.00 a | 93.84 a | |
9 | 25%噁草酮乳油 | 480.00 | 57.70bc | 98.71 b | 100.00 a | 77.47bcd |
10 | 720.00 | 83.60ab | 98.79 b | 100.00 a | 90.77 ab | |
11 | 33%二甲戊灵乳油 | 990.00 | 23.40 de | 95.72 c | 100.00 a | 57.63 de |
12 | 1485.00 | 52.53 bc | 100.00 a | 100.00 a | 72.46 bcd | |
13 | 70%氟唑磺隆水分散粒剂 | 42.00 | 22.61 de | 100.00 a | 99.13 b | 57.86 de |
14 | 63.00 | 53.00 cd | 100.00 a | 99.73 ab | 74.21 cde |
表5 7种土壤处理除草剂药后150天对冬小麦田杂草株数防效 % |
处理 | 药剂 | 有效量/(g/hm2) | 猪殃殃 | 播娘蒿 | 看麦娘 | 杂草总体 |
---|---|---|---|---|---|---|
1 | 60%氟噻草胺水分散粒剂 | 720.00 | 96.67 ab | 95.66abc | 95.48 ab | 96.60 a |
2 | 1080.00 | 97.64 a | 96.54abc | 100.00 a | 97.64 a | |
3 | 50%异丙隆可湿性粉剂 | 1500.00 | 28.73 e | 98.74 a | 85.51 ab | 38.03 e |
4 | 2250.00 | 29.93 e | 99.63 a | 98.26 ab | 40.31de | |
5 | 25%噻吩磺隆可湿性粉剂 | 37.50 | 52.93 cde | 73.17 e | 59.91 b | 57.77 cde |
6 | 45.00 | 63.03 c | 80.58 de | 71.44 ab | 66.12bcd | |
7 | 900g/L乙草胺乳油 | 1200.00 | 73.51 bc | 97.62 ab | 100.00 a | 79.41 bc |
8 | 1800.00 | 79.90 abc | 97.75 ab | 100.00 a | 84.12 ab | |
9 | 25%噁草酮乳油 | 480.00 | 68.58 c | 93.25abc | 95.48 ab | 74.07 bc |
10 | 720.00 | 82.13 abc | 94.16abc | 100.00 a | 84.82 ab | |
11 | 33%二甲戊灵乳油 | 990.00 | 64.62 c | 93.69abc | 80.04 ab | 69.28 bc |
12 | 1485.00 | 85.97 abc | 98.29 ab | 85.31 ab | 87.22 ab | |
13 | 70%氟唑磺隆水分散粒剂 | 42.00 | 30.34 de | 87.59cde | 94.78 ab | 41.23 de |
14 | 63.00 | 59.56 cd | 90.53bcd | 96.61 ab | 65.58bcd |
表6 7种土壤处理除草剂药后150天对冬小麦田杂草鲜重防效 % |
处理 | 药剂 | 有效量/(g/hm2) | 猪殃殃 | 播娘蒿 | 看麦娘 | 杂草总体 |
---|---|---|---|---|---|---|
1 | 60%氟噻草胺水分散粒剂 | 720.00 | 97.25 a | 97.96abcd | 97.40 ab | 97.37 a |
2 | 1080.00 | 98.36 a | 98.66abcd | 100.00 a | 98.40 a | |
3 | 50%异丙隆可湿性粉剂 | 1500.00 | 37.14 f | 99.47 ab | 89.99 ab | 48.46 g |
4 | 2250.00 | 43.47 f | 99.81 a | 98.01 ab | 54.08 fg | |
5 | 25%噻吩磺隆可湿性粉剂 | 37.50 | 60.59 e | 76.05 f | 64.55 b | 64.05 ef |
6 | 45.00 | 68.81 de | 89.74 e | 77.73 ab | 72.31 de | |
7 | 900g/L乙草胺乳油 | 1200.00 | 76.55bcd | 98.51 abc | 100.00 a | 81.06bcd |
8 | 1800.00 | 84.67 bc | 99.06 ab | 100.00 a | 87.61 bc | |
9 | 25%噁草酮乳油 | 480.00 | 74.71 cde | 95.85bcde | 97.03 ab | 78.79cd |
10 | 720.00 | 86.73 bc | 96.40bcde | 100.00 a | 88.58 b | |
11 | 33%二甲戊灵乳油 | 990.00 | 70.68 de | 95.06 cde | 83.00 ab | 74.79 de |
12 | 1485.00 | 88.08 b | 98.99 abc | 87.28 ab | 89.58 b | |
13 | 70%氟唑磺隆水分散粒剂 | 42.00 | 42.10 f | 90.81 e | 95.12 ab | 50.95 g |
14 | 63.00 | 67.82 de | 92.96 de | 98.42 a | 72.45 de |
表7 7种土壤处理除草剂防除冬小麦田杂草对小麦的产量效应 |
处理 | 药剂 | 有效量/ (g/hm2) | 施药前浇水处理 | 施药后浇水处理 | |||
---|---|---|---|---|---|---|---|
产量/(kg/hm2) | 增产率/% | 产量/(kg/hm2) | 增产率/% | ||||
1 | 60%氟噻草胺水分散粒剂 | 720.00 | 8650.00 a | 1.72 | 8606.67 ab | 0.70 | |
2 | 1080.00 | 8703.33 a | 2.35 | 8643.33 a | 1.13 | ||
3 | 50%异丙隆可湿性粉剂 | 1500.00 | 8116.67 b | -4.55 | 8240.00 b | -3.59 | |
4 | 2250.00 | 8320.00 ab | -2.16 | 8320.00ab | -2.65 | ||
5 | 25%噻吩磺隆可湿性粉剂 | 37.50 | 8486.67 ab | -0.20 | 8380.00ab | -1.95 | |
6 | 45.00 | 8400.00 ab | -1.22 | 8463.33 ab | -0.98 | ||
7 | 900g/L乙草胺乳油 | 1200.00 | 8426.67 ab | -0.90 | 8483.88 ab | -0.74 | |
8 | 1800.00 | 8533.33 ab | 0.35 | 8396.67 ab | -1.76 | ||
9 | 25%噁草酮乳油 | 480.00 | 8463.33 ab | -0.47 | 8423.33ab | -1.44 | |
10 | 720.00 | 8606.67 ab | 1.22 | 8480.00ab | -0.78 | ||
11 | 33%二甲戊灵乳油 | 990.00 | 8360.00ab | -1.69 | 8363.33ab | -2.15 | |
12 | 1485.00 | 8266.67 ab | -2.78 | 8583.33ab | 0.43 | ||
13 | 70%氟唑磺隆水分散粒剂 | 42.00 | 8240.00 ab | -3.10 | 8263.33b | -3.32 | |
14 | 63.00 | 8276.67 ab | -2.67 | 8296.67ab | -2.93 | ||
15 | 人工除草 | - | 8503.33 ab | - | 8546.67 ab |
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