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Effect of Organosilicone Surfactant on Uptake and Translocation of Glyphosate in Pennisetum Polystachion L


Citation

Teo, Kee Chiong (1997) Effect of Organosilicone Surfactant on Uptake and Translocation of Glyphosate in Pennisetum Polystachion L. Masters thesis, Universiti Putra Malaysia.

Abstract / Synopsis

The effect of adding organosilicone surfactant, Pulse® on efficacy, uptake and translocation of glyphosate (Roundup®) for the control of Pennisetum polystachion was evaluated in the glasshouse. The dose-response study with glyphosate on 9-week old P. polystachion showed that at the rate of 1.08 kg a.e.iha, glyphosate caused complete mortality of the plants. It was estimated that dosage between 360 to 540 g a.e./ha gave 50% mortality. When Pulse® was added to the glyphosate spray solutions, the bioefficacy of glyphosate on P. polystachion increased as the concentration of Pulse® increased. The optimum concentration ofPulse® was 0.2 % w/w above which no significant increase in the bioefficacy was observed. Spray deposition studies using tlourescent tracer technique revealed that the mixture of glyphosate and Pulse® gave 42% higher spray deposition compared to glyphosate alone, thus contributing to the increase in bioefficacy of glyphosate observed in the mixture.


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Additional Metadata

Item Type: Thesis (Masters)
Subject: Glyphosate
Subject: Plant translocation
Subject: Pennisetum
Call Number: FP 1997 1
Chairman Supervisor: Associate Professor Dr. Dzolkhifli Omar
Divisions: Faculty of Agriculture
Depositing User: Mohd Nezeri Mohamad
Date Deposited: 07 Apr 2011 04:27
Last Modified: 07 Apr 2011 04:29
URI: http://psasir.upm.edu.my/id/eprint/10389
Statistic Details: View Download Statistic

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