Evaluation of the droplet deposition and control effect of a special adjuvant for unmanned aerial vehicle (UAV) sprayers

Unmanned aerial vehicle (UAV) sprayers have been widely used in agriculture. With the goals of using pesticides efficiently and reducing their dosage, we evaluated effects adding not special adjuvants to UAV on droplet deposition control effect leaf folder insects. The quantity coverage area with Kao Adjuvant A-200® rice leaves were better than those without A-200®. Regarding rollers, also better, they met pesticide residue limit for brown rice. can improve sprayer’s pest effect. When dosage was reduced by 30%, achieve a good effect, which is very helpful dosage.