Control efficacy of different pesticide formulations and fan-nozzle model on wheat aphids by UAVs

Xiaojing Yan, Huizhu Yuan, Xiaoxin Zhou, Ming Wang, Xin Shi, Yixuan Chen, Daibin Yang

Abstract


Abstract: The use of unmanned aerial vehicles (UAVs) has been significantly increased in wheat pest control inChina.  The formulation of pesticide and the type of nozzle are the important parameters in UAVs spraying application.  The droplet density, deposition and control efficacy on wheat aphids of four formulation of imidacloprid (20% imidacloprid SL, 25% imidacloprid WP, 5% imidacloprid EC, 70% imidacloprid WDG) and three models of fan-nozzle (teejet11001vs, teejet110015vs, teejet11002vs) applied by UAVs were determined in this paper.  The droplet density and deposition of four imidacloprid formulation was not significantly different.  However, the control efficacy of different formulation was 5% imidacloprid EC (7DAT=97.7%) > 20% imidacloprid SL (7DAT=95.7%) > 70% imidacloprid WDG (7DAT=93.2%) > 25% imidacloprid WP (7DAT=85.1%).  With regard to the factor of fan-nozzle, teejet11001vs treatment performed better in droplet density and deposition than the other two nozzles, and the control efficacy of teejet11001vs was higher than teejet110015vs, teejet11002vs with the margin of 10.7%, 9.9% respectively.  The deposition uniformity on wheat plant from top to bottom of three nozzles was teejet11001vs (CV=22.8%) > teejet11002vs (CV=27.1%) > teejet110015vs (CV=57.4%).

Keywords: unmanned aerial vehicles, pesticide formulation, fan nozzle model, wheat aphids, droplet density, deposition, control efficacy

DOI: 10.33440/j.ijpaa.20200302.74

 

Citation: Yan X J, Yuan H Z, Zhou X X, Wang M, Shi X, Y, Chen Y X, Yang D B.  Control efficacy of different pesticide formulations and fan-nozzle model on wheat aphids by UAVs.  Int J Precis Agric Aviat, 2020; 3(2): 35–39.


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References


Wang G, Lan Y, Yuan H, et al. Comparison of Spray Deposition, Control Efficacy on Wheat Aphids and Working Efficiency in the Wheat Field of the Unmanned Aerial Vehicle with Boom Sprayer and Two Conventional Knapsack Sprayers. Applied Sciences, 2019, 9(2): 218. doi: 10.3390/app9020218.

Yang S, Yang X, Mo J. The application of unmanned aircraft systems to plant protection in China. Precis. Agric. 2018, 19, 278–292. doi: 10.1007/s11119-017-9516-7.

Gao Y Y, Zhang Y T, Zhang N, et al. Primary studies on spray droplets distribution and control effects of aerial spraying using unmanned aerial vehicle (UAV) against wheat midge. Crops, 2013(2): 139–142.

Hu H Y, Ren X L, Jiang W L, et al. Pesticide spray distribution of plant protection UVA in cotton field. J Huazhong Agric Univ, 2018, 37(5): 59–64. doi: 10.3969/j.issn.1000-1190.2018.05.009.

Li H, Zhou W Y et al. Comparison of aphid killing activity of imidacloprid in different dosage forms. Acta agriculturae sinica, 2018, v. 27(07): 147–152. (in Chinese). doi: 10.7606/j.issn.1004-1389.2018.07.019

Chen J L, Xu L M. Preliminary report of imidacloprid two different dosage forms for wheat aphid control. Journal of Inner Mongolia agricultural university: natural science edition, 2014 (35): 17. (in Chinese)

HUA CH. Imidacloprid and its formulation. Modern Agrochemicals，2007(4): 11–13. doi:10.3969/j.issn.1671-5284.2007.04.003.

Wang C L, Song J L, He X K, et al. Effects of flight parameters of uav on droplet deposition distribution characteristics. Journal of Agricultural Engineering, 2017(33): 116.

Chen S D, Lan Y B, et al. Effects of spraying parameters of small plant protection UAV on droplets deposition distribution in citrus canopy. journal of south china agricultural university, 2017, 38(5). 10.7671/j.issn. doi: 1001-411X.2017.05.017.

Sun SH, Tang Y, Miao A M, et al. Atomization performance of fan-shaped and hollow-cone nozzles of uas. Jiangsu agricultural sciences, 2019, 047(011): 246–250. (in Chinese). doi: 10.15889/ j.issn.1002-1302.2019.11.056.

Chen J, Liu W H, Yuan Y M. Application status and development trend of atomizer of uav. Journal of plant protection, 2018, 038(003): 66–70.

Xue X Y, LAN Y B, Analysis of current situation and development trend of American agricultural aviation technology. Journal of agricultural machinery, 2013, 44(5): 194–201. doi: 10.6041/ j.issn.1000-1298.2013.05.034

Gao S C, Wang G B, Zhou Y Y, et al. Waterâ€soluble food dye of Allura Red as a tracer to determine the spray deposition of pesticide on target crops. Pest Management Science, 2019, 75(10): 2592–7. doi: 10.1002/ps.5430

Qiu Z K, Yuan H Z, Lou S W, et al. The research of water soluble dyes of allura red and ponceau-G as tracers for determing pesticide spray distribution. Agrochemicals, 2007, 46(5): 323–325, 337. doi: 10.3969/j.issn.1006-0413.2007.05.011

Yuan H Z, Wang B. Effects of droplet size and deposition density on field efficacy of pesticides. Plant Prot, 2015, 41(6): 9–16. (in Chinese). doi: 10.3969/j.issn.0529-1542.2015.06.002.

Chen S D, Lan Y B, Li J Y, et al. Effect of wind field below unmanned helicopter on droplet deposition distribution of aerial spraying. Int. J. Agric. Biol. Eng. 2017, 10, 67–77. doi: 10.3965/j.ijabe.20171003.3078.

Fritz, B. Meteorological effects on deposition and drift of aerially applied sprays. Trans. ASAE 2006, 49, 1295–1301. doi: 10.13031/2013.22038

Liu Q, Lan Y B, Shan C F et al. Effects of aviation plant protection spraying parameters on droplet deposition characteristics of apple trees. Journal of agricultural mechanization and chemical engineering, 202, 42(09): 173–180. (in Chinese)


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