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Residue mornitoring and crop safety in soil of 5-dialkylamino sulfonylurea compounds

Shaa ZHOU Jiaxing LI Xuewen HUA Yonghong LI Bin LIU Anliang CHEN Jie CHEN Zhengming LI

周沙, 李佳星, 华学文, 李永红, 刘斌, 陈安良, 陈杰, 李正名. 新型5-二烷基氨基取代磺酰脲类化合物在土壤中的残留监测及其对作物的安全性[J]. 农药学学报. doi: 10.16801/j.issn.1008-7303.2021.0069
引用本文: 周沙, 李佳星, 华学文, 李永红, 刘斌, 陈安良, 陈杰, 李正名. 新型5-二烷基氨基取代磺酰脲类化合物在土壤中的残留监测及其对作物的安全性[J]. 农药学学报. doi: 10.16801/j.issn.1008-7303.2021.0069
Shaa ZHOU, Jiaxing LI, Xuewen HUA, Yonghong LI, Bin LIU, Anliang CHEN, Jie CHEN, Zhengming LI. Residue mornitoring and crop safety in soil of 5-dialkylamino sulfonylurea compounds[J]. Chinese Journal of Pesticide Science. doi: 10.16801/j.issn.1008-7303.2021.0069
Citation: Shaa ZHOU, Jiaxing LI, Xuewen HUA, Yonghong LI, Bin LIU, Anliang CHEN, Jie CHEN, Zhengming LI. Residue mornitoring and crop safety in soil of 5-dialkylamino sulfonylurea compounds[J]. Chinese Journal of Pesticide Science. doi: 10.16801/j.issn.1008-7303.2021.0069

新型5-二烷基氨基取代磺酰脲类化合物在土壤中的残留监测及其对作物的安全性

doi: 10.16801/j.issn.1008-7303.2021.0069
详细信息
  • 中图分类号: S481.8; TQ457.2

Residue mornitoring and crop safety in soil of 5-dialkylamino sulfonylurea compounds

Funds: the National Natural Science Foundation of China (31471809 and 32001316); the Key Research and Development Program of Zhejiang Province (2019C02024 and 2020C02028); the Natural Science Foundation of Zhejiang Province (LQ20C140001).
More Information
  • 摘要: 磺酰脲类除草剂代表性产品氯磺隆曾为超高效的麦田选择性除草剂,后因降解速率慢、残留期长导致对后茬作物产生药害而被禁用。经过对氯磺隆苯环5位基团的构效关系研究发现,5-二甲氨基取代氯磺隆 ( Ia ) 和5-二乙氨基取代氯磺隆 ( Ib ) 不仅能够保持超高效除草活性,而且其在酸性土壤和碱性土壤中的降解速度显著提高。为了进一步研究其应用价值,以油菜为指示作物研究了化合物 IaIb 在温室土壤 (河北沧州,pH 8.46) 中的降解动态,并就其对后茬作物小麦和玉米的安全性进行了测试。结果表明:随着时间的推移,分别经有效剂量60 g/hm2IaIb 处理的土壤对油菜的生长抑制呈逐渐缓解趋势,而经氯磺隆处理的土壤70 d后对油菜的抑制率仍大于70%。作物安全性测试结果表明:化合物 IaIb 在有效剂量 15~60 g/hm2下,对茎叶处理的小麦生长无显著抑制作用;此外,化合物 Ia 在有效剂量30~120 g/hm2下对茎叶处理的玉米还展现出一定的生长促进作用。研究结果表明,化合物 IaIb 具有较好的开发价值和应用前景,值得进一步研究。
  • 1.  Compound structures of Ia, Ib and chlorsulfuron

    Figure  1.  The photography of degradation dynamic monitored by B. campestris after 0, 11, 14, 21, 28, and 35 days of treatment

    0: control, 1: Ia, 2: Ib, 3: chlorsulfuron.

    Figure  2.  Inhibition curves of different compounds against B. campestris

    Figure  3.  Crop safety photography after 35 days of compounds treatment

    0: control, 1: Ia; 2: Ib, 3: chlorsulfuron.

    Figure  4.  Wheat safety photography under post-emergence

    Table  1.   Analysis data of soils

    Tested
    soil
    Soil
    texture
    Organic
    matter/%
    pHCEC/
    (cmol/kg)
    Particle size analysis/%
    SandaSiltbClayc
    CoarseFineCoarseFine
    AlkalineClay0.7578.4610.3930268828
    a Sand: 1−0.05 mm. b Silt: Course, 0.05−0.01 mm; Fine, 0.01−0.005 mm. c Clay: Course, 0.005−0.001 mm; Fine, < 0.001 mm.
    下载: 导出CSV

    Table  2.   Inhibition results against B. campestris after compounds treatment

    Compd.Timea/dAverage fresh weight/(g/15 plants)Pre-emergence
    Variance analysisbInhibition rate/%
    10%5%1%
    -- 0 5.70 ± 0.26 a A A --
    Ia 0.21 ± 0.03 b B B 96.3
    Ib 0.07 ± 0.04 b B B 98.8
    chlorsulfuron 0.04 ± 0.04 b B B 99.2
    -- 11 3.1 ± 0.38 a A A --
    Ia 0.51 ± 0.10 b B B 83.2
    Ib 0.52 ± 0.04 b B B 83.5
    chlorsulfuron 0.05 ± 0.03 c C B 98.4
    -- 14 2.57 ± 0.49 a A A --
    Ia 0.60 ± 0.51 b B B 76.5
    Ib 0.40 ± 0.18 b B B 84.3
    chlorsulfuron 0.08 ± 0.04 b B B 97.0
    -- 21 2.77 ± 0.15 a A A --
    Ia 2.18 ± 0.47 a A AB 21.1
    Ib 2.39 ± 1.47 a A AB 13.8
    chlorsulfuron 0.18 ± 0.03 b B B 93.4
    -- 28 3.13 ± 0.15 a A A --
    Ia 2.95 ± 0.81 ab A A 5.8
    Ib 2.35 ± 0.43 b A A 24.8
    chlorsulfuron 0.12 ± 0.04 c B B 96.1
    -- 35 1.61 ± 1.06 a A A --
    Ia Seriously damaged by pests \
    Ib \
    chlorsulfuron 0.08 ± 0.03 b B A 94.8
    -- 42 1.08 ± 0.34 a A A --
    Ia 0.82 ± 0.27 a A A 24.2
    Ib 1.02 ± 0.07 a A A 5.2
    chlorsulfuron 0.08 ± 0.03 b B B 93.0
    -- 49 1.87 ± 0.53 a a A --
    Ia 1.44 ± 0.16 a a A 23.0
    Ib 1.61 ± 0.06 a a A 14.1
    chlorsulfuron 0.10 ± 0.02 b b B 94.9
    -- 56 2.28 ± 0.81 a a A --
    Ia 1.93 ± 0.15 a a A 15.4
    Ib 2.30 ± 0.84 a a A -0.9
    chlorsulfuron 0.06 ± 0.02 b b B 97.6
    -- 63 0.81 ± 0.04 a a AB --
    Ia 1.20 ± 0.48 a a A -48.6
    Ib 1.13 ± 0.21 a a A -39.4
    chlorsulfuron 0.13 ± 0.07 b b B 84.4
    -- 70 0.81 ± 0.10 a a A --
    Ia 0.64 ± 0.09 a a A 20.8
    Ib 0.80 ± 0.26 a a A 1.5
    chlorsulfuron 0.23 ± 0.02 b b B 72.1
    Note: a Seeding time after compounds treatment. b Different letters within the same column indicate significant difference at 10%, 5% or 1% level, respectively.
    下载: 导出CSV

    Table  3.   Crop safety after 35 days of Ia, Ib and chlorsulfuron treatments

    Compd.CropsAverage
    fresh weight/
    (g/cup)
    After 35 days of compounds treatment
    Variance analysisaInhibition
    rate/%
    10%5%1%
    -- Corn/5 plants 7.70 ± 1.43 a a A --
    Ia 7.64 ± 0.20 a a A 0.9
    Ib 7.31 ± 1.49 a a A 5.1
    chlorsulfuron 0.90 ± 0.19 b b B 88.3
    -- Sunflower/7 plants 12.44 ± 2.08 a a AB --
    Ia 14.53 ± 0.98 a a A −16.7
    Ib 12.97 ± 3.05 a a AB −4.2
    chlorsulfuron 7.02 ± 3.35 b b B 43.6
    -- Wheat/10 plants 1.40 ± 0.04 a a A --
    Ia 2.16 ± 0.70 a a A −54.2
    Ib 1.79 ± 0.72 a a A −27.8
    chlorsulfuron 1.98 ± 0.43 a a A −41.6
    -- Paddy/12 plants 1.50 ± 0.30 a a A --
    Ia 1.95 ± 0.19 a a A −30.2
    Ib 1.73 ± 0.64 a a A −15.3
    chlorsulfuron 0.09 ± 0.02 b b B 93.8
    *: a Different letters within the same column indicate significant difference at 10%, 5% or 1% level.
    下载: 导出CSV

    Table  4.   Wheat safety of Ia, Ib and chlorsulfuron

    Compd.Conc./ (g a.i/hm2)Wheat (Jimai 22)
    Pre-emergence (22 days)Post-emergence (28 days)
    Fresh weight/
    (g/cup)
    Variance
    analysisa
    Inhibition
    Rate/%b
    Fresh weight/
    (g/cup)
    Variance
    analysisa
    Inhibition
    rate/%b
    5%1%5%1%
    - 0 2.53 ± 0.06 ab AB - 2.51 ± 0.30 ab ABC -
    Ia 15 1.52 ± 0.83 cdefghi BCDEFG 40.0 2.49 ± 0.23 ab ABC 1.0
    30 1.17 ± 0.45 efghijkl DEFGHI 53.7 2.29 ± 0.27 abcd ABC 9.1
    60 0.88 ± 0.30 ghijklm EFGHI 65.0 2.12 ± 0.05 abcd ABC 15.6
    120 0.56 ± 0.50 jklm FGHI 78.0 1.87 ± 0.63 bcd ABC 25.8
    Ib 15 1.24 ± 0.48 efghijkl CDEFGH 50.7 2.40 ± 0.35 abc ABC 4.6
    30 1.24 ± 0.51 efghijkl CDEFGH 50.8 2.19 ± 0.25 abcd ABC 12.9
    60 0.92 ± 0.62 fghijklm EFGHI 63.8 2.03 ± 0.70 abcd ABC 19.4
    120 0.00 ± 0.00 m I 100 1.60 ± 0.81 d C 36.4
    chlorsulfuron 15 2.53 ± 0.65 ab AB -0.1 2.57 ± 0.33 ab AB -2.2
    30 3.17 ± 0.68 a A -25.6 2.49 ± 0.42 ab ABC 0.8
    60 2.29 ± 0.54 bc ABCD 9.3 2.32 ± 0.27 abc ABC 7.7
    120 2.23 ± 0.59 bcd ABCD 11.7 2.08 ± 0.14 abcd ABC 17.1
    Note: a Different letters within the same column indicate significant difference at 5% or 1% level, respectively.
    下载: 导出CSV

    Table  5.   Corn safety of Ia, Ib and chlorsulfuron

    Compd.Conc./
    (g a.i/hm2)
    Corn (Xindan 66)
    Pre-emergence (16 days)Pre-emergence (23 days)
    Fresh weight/
    (g/5 plants)
    Variance
    analysis a
    Inhibition rate/%Fresh weight/
    (g/5 plants)
    Variance
    analysis a
    Inhibition rate/%
    5%1%5%1%
    - 0 6.40 ± 1.03 a A - 8.12 ± 0.70 ab A -
    Ia 30 5.16 ± 0.18 abc AB 19.3 8.57 ± 0.77 ab A -5.6
    60 4.73 ± 0.48 bcd AB 26.0 8.75 ± 1.35 a A -7.8
    120 4.72 ± 0.19 bcd AB 26.2 8.42 ± 2.76 ab A -3.7
    Ib 30 5.68 ± 0.67 abc A 11.2 7.79 ± 2.92 ab AB 4.0
    60 5.41 ± 0.82 abc AB 15.4 7.33 ± 1.59 ab AB 9.7
    120 5.37 ± 0.82 abc AB 16.1 6.73 ± 0.96 abc AB 17.0
    chlorsulfuron 30 4.63 ± 0.29 cd ABC 27.6 7.22 ± 1.21 ab AB 11.0
    60 4.50 ± 0.88 cd ABCD 29.7 6.41 ± 0.10 abc AB 21.0
    120 2.85 ± 0.48 e CD 55.4 6.41 ± 1.46 abc AB 21.1
    Note: a Different letters within the same column indicate significant difference at 5% or 1% level, respectively.
    下载: 导出CSV
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  • 收稿日期:  2020-08-14
  • 录用日期:  2021-01-16
  • 网络出版日期:  2021-04-14

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