Effect of the Drone and Knapsack Sprayed Herbicides on the Plant Phytotoxicity and Chlorophyll Content in Rabi Groundnut
Chandana Mudigiri, RamPrakash T., Padmaja B., Jayasree G, Latha P.C.
Archives of Current Research International · pp. 292–299 · Published 28 Dec 2024
10.9734/acri/2024/v24i121019Abstract
Conventional method of herbicide spray application using a knapsack sprayer is cost-effective, easy to operate but leads to inaccurate application of the chemicals, low spray uniformity, unnecessary deposition and non-uniform coverage. In this context, “Unmanned aerial vehicles (UAVs), or aerial drones, are being utilized to decrease the herbicide wastage and increase the efficacy compared to traditional practice. A two year field experiment was conducted with drone at RARS, Research Farm, Palem, Nagarkurnool, Telangana during rabi 2022-23, 2023-24.The model of UAV (drone) used in the bioefficacy and drift studies was battery motive AGRICOPTER AG 365 with UIN UA00132S1EX. Imazethapyr 3.75% + Propaquizafop 2.5% ME (Ready mix) herbicide was sprayed with 25 and 40 L ha-1 of spray volume with flat fan XR11002VP nozzle and flight height was maintained at 2 and 2.5m and knapsack sprayer with 500 L ha-1 of spray volume was taken to study the effect of the drone sprayed herbicides versus conventional spraying practices on plant phytotoxic and chlorophyll content of the leaves and results had shown a non significant effect on chlorophyll content and phytotoxicity.
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