Efficacy of the FAZER helicopter unmanned aerial vehicle (UAV) in controlling rice leaf folder and dirty panicle disease in paddy fields
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Abstract
The efficacy of the FAZER helicopter unmanned aerial vehicle (UAV) to control rice leaf folder and dirty panicle disease in paddy fields was investigated in Suphanburi province, Thailand. Four different application techniques were purposed as FAZERs at the rate of 8 and 16 L/ha and normal spray application using spray lance at the rate of 250 and 375 L/ha. The bio-efficacy of the spraying techniques in the first experiment was monitored rice leaf folder treated with flubendiamide + thiacloprid 24% + 24% W/V SC at a dose of 75 ml/ha at the booting stage. Subsequently, the effect of fungicide to control dirty panicle disease treated with tebuconazole + trifloxystrobin 50 % + 25 % WG was recorded by using a dose of 175 g/ha at the heading and flowering stages. The results indicated that a FAZER helicopter unmanned aerial vehicle (UAV) proved to be equally effective as the traditional spraying method to control leaf folder and dirty panicle disease. It is revealed that FAZER helicopter unmanned aerial vehicle (UAV) can be interesting for the alternative choice and enabled rational pesticide application for rice production in Thailand
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