Spray nozzle performance on wheat

Mur, Matilde; Gadea, Santiago; Ponce, Mariano Julio; Merani, Víctor Hugo; Guilino, Facundo; Balbuena, R.

doi:10.31285/agro.24.149

Cited by 3 publications

(3 citation statements)

References 12 publications

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“…The flat fan nozzle with air induction yielded 81.4 droplets cm −2 . This can be explained by the findings of Mur et al [ 42 ] that smaller droplets are more likely to be deposited on the target than droplets of the same volume distributed in larger droplets. Considering the indications of Syngenta Crop Protection AG (Basel, Switzerland), which recommends at least 30–40 droplets cm −2 for postemergence herbicide applications [ 43 ] and evaluating only the density found for the different nozzles in this study, both have the potential to facilitate efficiency in weed control.…”

Section: Resultsmentioning

confidence: 99%

Control of Urochloa decumbens Using Glyphosate Applied by Remotely Piloted Aircraft and Ground Sprayer with Different Spray Nozzles

Lopes,

Cunha,

Nomelini

et al. 2024

Plants

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The use of remotely piloted aircraft (RPA) to spray pesticides currently occurs, but knowledge about this technology is lacking due to the different locations, targets, and products applied. The objective of this study was to evaluate the control of Urochloa decumbens with glyphosate applied using an RPA (10 L ha−1) equipped with different spray nozzles (XR 11001 and AirMix 11001). For the purpose of comparison, ground application was also performed (100 L ha−1). The deposition was evaluated by means of the quantification of a tracer by spectrophotometry, the droplet spectrum was evaluated with water-sensitive paper, and the control efficiency was evaluated based on visual measurements with percentage scores. Statistical process control was used to analyse the quality of the deposition in the area. The results showed that the application via RPA presented a greater amount of tracer on the leaves than the ground application, suggesting that the former is a good option for application, even providing a lower coverage and number of droplets per area. Both application methods were effective at controlling Urochloa decumbens. The nozzles showed potential for use in applications, with control efficiency higher than 84% from 21 days after application. The percentage of droplets smaller than 100 μm in the applications was less than 5%. No nonrandom behaviour was observed during deposition, indicating a high-quality process.

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Section: Resultsmentioning

confidence: 99%

Control of Urochloa decumbens Using Glyphosate Applied by Remotely Piloted Aircraft and Ground Sprayer with Different Spray Nozzles

Lopes,

Cunha,

Nomelini

et al. 2024

Plants

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“…For the nozzles used in the applications, the XR 11001 nozzle stood out with 137.44 droplets cm -2 , while the AirMix 11001 flat fan nozzle with air induction showed a density of 62.13 droplets cm -2 . Mur et al (2018), testing applications with different nozzles in soybean (Glycine max (L.) Merrill), also observed a lower droplet density for the AI 110015 air induction nozzle (Hypro ® , Cambridge, England) on the upper part of the crop. As will be seen later, the AirMix 11001 nozzle produced bigger droplets than the XR 11001 nozzle, which may explain the lower droplet density for this nozzle.…”

Section: Droplet Spectrummentioning

confidence: 95%

Evaluation of Remotely Piloted Aircraft for Agricultural Spraying in Corn Cultivation in the Brazilian Savannah

Lopes,

Cunha,

Nomelini

2023

JSD

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This study aimed to evaluate the quality of application using both RPA and ground techniques in corn cultivation using different spray nozzles in Brazilian savannah (Cerrado). The experiment was conducted using a completely randomized design, with four treatments and eight repetitions. The treatments involved two methods of application: aerial (RPA, 10 L ha-1) and ground (backpack sprayer, 100 L ha-1); and two types of nozzles: the standard flat fan nozzle XR 11001 and the air induction flat fan nozzle AirMix 11001. To study the quality of the application, the deposition was evaluated using a tracer and spectrophotometry, and the droplet spectrum, evaluated through the analysis of water-sensitive paper. Furthermore, a study on application quality was conducted using the Statistical Process Control methodology. The results demonstrated that with RPA, the deposition was higher, and the AirMix 11001 nozzle also stood out in this variable. No non-random behavior was observed in the deposition. Ground application showed the best performance in terms of target coverage and droplet density. The XR 11001 nozzle resulted in a higher droplet density. Overall, the XR11001 nozzle and the RPA application showed smaller volume median diameters (VMDs), indicating a higher potential for drift, which should be taken into account. Given the results obtained, it can be stated that the use of RPAs for agricultural spraying is viable for application.

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“…No caso do DMV, verificou-se que os resultados da aplicação desses tratamentos foram concordantes com maiores estimativas para esta variável nas parcelas aplicadas com esta classe de gota.No que diz respeito aos tratamentos com gotas finas, estes foram mais facilmente refletidos nas variáveis de deposição de calda, cobertura e densidade de gotas por estarem plotados no mesmo plano (Figura 7). Porém estas respostas dependem também de outros fatores como arquitetura da planta e IAF(LIAO et al, 2020) e condições meteorológicas adequadas(MUR et al, 2020).…”

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Estudo de fatores que interferem na qualidade das aplicações terrestres de produtos fitossanitários

León¹

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A Deus, pelas oportunidades, as bênçãos, sabedoria e por colocar sempre as pessoas certas no meu caminho. Gostaria de expressar minha gratidão a todas as pessoas que contribuíram de uma forma ou de outra forma para esta pesquisa, sem dúvida não teria concluído este trabalho sem seus aportes. Em especial gostaria de agradecer... Ao meu orientador, Prof. Dr. João Paulo A. Rodrigues Da Cunha, pelos ensinamentos, compreensão, paciência, amizade e a confiança depositada em mim, eterna gratidão.A minha co-orientadora, Prof. Dra. Denise Garcia de Santana, pelas importantes sugestões para enriquecer este trabalho, e sobretudo pelos excelentes cuidados e orientações como coordenadora do programa de pós-graduação de agronomia na primeira etapa do programa, muito obrigada pelas gestões realizadas.Aos meus caros colegas no Laboratório de Mecanização Agrícola (LAMEC), especialmente a Sergio Macedo Silva, César Zandonadi, Thales Cassemiro Alves, Heli Heros Assunção, Arthur Carlos de Oliveira, Rafael Marcão, Ernane Lemes, Mateus Gregório sem vocês teria sido impossível a execução deste trabalho.Aos meus colegas do curso, aos meus amigos muito obrigada pela acolhida, pela amizade pelas inúmeras ajudas recebidas, fizeram-me sentir em casa nestes quatro anos, especialmente a Gabriella de Freitas Alves, Joyce Peixoto, Morgana Coelho Mamede, Luciana Correia, Camila Soares, entre outros que teve o prazer de conhecer.À família Esteves-Rodrigues, pela calorosa acolhida e ficar do meu lado sempre, são minha família no Brasil. Aos meus amigos de Equador, Eveling Iñiguez e Carlitos Manosalvas, apesar da distância estiveram sempre presentes para levantar meus braços quando precisei.Aos professores do ICIAG com quem teve a oportunidade de aprender nas salas de aula, muitos desses ensinamentos vão além das ciências. À Organização dos Estados Americanos (OEA) e a CAPES, pela concessão da bolsa de estudos. À Universidade Federal de Uberlândia, à Pró-Reitoria de Pesquisa e Pós-graduação, ao Instituto de Ciências Agrarias (ICIAG), e ao Programa de Pós-graduação em Agronomia pelo suporte administrativo.Em especial, a minha família, pelo continuo incentivo e motivação, foram meu motor nestes quatro anos. "Tudo o que fizerem, façam de todo o coração, como para o Senhor, e não para os homens, sabendo que receberão do Senhor a recompensa da herança. É a Cristo, o Senhor, que vocês estão servindo".Colossenses 3:23,24 "Suba o primeiro degrau com fé. Não é necessário que você veja toda a escada. Apenas dê o primeiro passo". Martin Luther King Jr."Agricultura sem ciência é uma fazenda de porteiras fechadas". Iago Fernandes"Agradeça aos agrotóxicos por estar vivo: o futuro não é orgânico". Nicholas Vital"La agricultura de altos rendimientos es la solución y no el problema para la fauna silvestre y el medio ambiente".

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Spray nozzle performance on wheat

Abstract: Spray nozzle performance on wheat Desempeño de diferentes boquillas de pulverización sobre el cultivo de trigo Desempenho de diferentes pontas de pulverização na cultura do trigo

Cited by 3 publications

References 12 publications

Control of Urochloa decumbens Using Glyphosate Applied by Remotely Piloted Aircraft and Ground Sprayer with Different Spray Nozzles

Control of Urochloa decumbens Using Glyphosate Applied by Remotely Piloted Aircraft and Ground Sprayer with Different Spray Nozzles

Evaluation of Remotely Piloted Aircraft for Agricultural Spraying in Corn Cultivation in the Brazilian Savannah

Estudo de fatores que interferem na qualidade das aplicações terrestres de produtos fitossanitários

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