HUANG Chun-yan,CHEN Tie-bao,WANG Yu,et al.Studies on Relationship of Temperature and Humidity with Effect and Injury of Imazamox[J].HEILONGJIANG AGRICULTURAL SCIENCES,2004,(06):1-4.[doi:10.11942/j.issn1002-2767.2004.06.0001]
金豆除草效果及药害与空气温湿度的关系
- Title:
- Studies on Relationship of Temperature and Humidity with Effect and Injury of Imazamox
- 文章编号:
- 1002 -2767(2004)06 -0001 -04
- Keywords:
- imazamox ; ef fect ; injury ; air temperature and relat ive humidity
- 分类号:
- S451 .224
- 文献标志码:
- A
- 摘要:
- 田间小区试验结果表明, 空气温度和相对湿度及除草剂用量对金豆的药效和药害均有明显影响。在田间条件下, 随着气温的升高、或空气相对湿度的增高、或除草剂用量的增加, 金豆对杂草的防除效果提高, 但对大豆的药害也明显加重。药害会抑制大豆正常生长, 使大豆苗期株高降低11 .59 %～ 54 .86 %, 鲜重降低4 .17 %～ 70 .83 %, 叶片数减少0 ～ 33 .85 %;成株期株高降低2 .33 %～ 34 .90 %, 株荚数减少0 ～ 49 .58 %, 株粒数减少0 .81 %～ 50 .97 %, 减产率为0 .83 %～ 52 .40 %。药害严重时可导致大豆晚熟。
- Abstract:
- The plot experiment results show ed that air temperature , relat ive humidity and herbicidedosage were factors w hich influenced obviously the effect and injury of imazamox .The control effectand injury of imazamox increased with ai r temperature or relative humidity raised or the dosage of imazamox added .Soybean grow th w as inhibited , the soy bean seedling plant heig ht reduced 11 .59 %～54 .86 %, f resh w eight reduced 4 .17 %～ 70 .83 %, leaves reduced 0 ～ 33 .85 %, pods reduced 0 ～ 49 .58 %, grains reduced 0 .81 %～ 50 .97 %, and the rate of yield loss w as 0 .83 %～ 52 .40 % due to theinjury of imazamox .The injury could lead to soybean late -maturing w hen the injury w as serious
参考文献/References:
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备注/Memo
收稿日期:2004 -07 -25