喷雾助剂对三唑磷在水稻叶片上沉积量的影响

doi:10.3864/j.issn.0578-1752.2009.12.013

Scientia Agricultura Sinica ›› 2009, Vol. 42 ›› Issue (12): 4228-4233 .doi: 10.3864/j.issn.0578-1752.2009.12.013

• PLANT PROTECTION • Previous Articles Next Articles

The Influence of Triazophos Deposition on Rice Leaves by Adding Spray Adjuvants

SHI Ling-li, CHEN Fu-liang, ZHENG Fei-neng, WANG Yi, XIE Ming

（中国农业科学院植物保护研究所/农业部农药化学与应用重点开放实验室）

Received:2009-04-14 Revised:2009-08-13 Online:2009-12-10 Published:2009-12-10
Contact: CHEN Fu-liang

Abstract

Abstract: 【Object】 The influence of triazophos deposition on rice leaves were studied by adding wetting agents and thickener in the dilution of triazophos,as well as simulated rainfall after 0, 1, 2, 4, and 8 h of spraying. 【Method】 By means of pesticide residue analysis method, the deposition of triazophos on rice leaves was detected by GC. 【Result】 The results showed that the combination of the wetting agent and thickener could increase the deposition significantly and resist the erosion of rain. The best combination was 0.025% of adjuvant 6501 and 0.02% of adjuvant PAAS in dilution of triazophos. The deposition of the best combination is 77.4 μg•g-1, and it is seven times higher than that of CK treatment. 【Conclusion】 The addition of an appropriate spray adjuvant may decrease the pesticide dosage in equal field control efficacy and can achieve the goal of reducing control cost and environmental pollution.

Key words: triazophos, deposition, wetting agent, thickener, simulated rainfall

SHI Ling-li,CHEN Fu-liang,ZHENG Fei-neng,WANG Yi,XIE Ming
. The Influence of Triazophos Deposition on Rice Leaves by Adding Spray Adjuvants
[J].Scientia Agricultura Sinica, 2009, 42(12): 4228-4233 .

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