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AERIAL AND GROUND APPLICATION OF FUNGICIDE IN CORN SECOND CROP ON DISEASES CONTROL REA
Menechini,Wagner; Maggi,Marcio F.; Jadoski,Sidnei O.; Leite,Carla D.; Camicia,Ricardo da M..
ABSTRACT The aim was to evaluate the diseases severity on corn second crop. The research was conducted on the agricultural year of 2013 and 2014, evaluating the application quality over the fungicide spraying. The hybrid used was PIONEER 30k75 BT HERCULEX, evaluating the diseases severity previously and after the fungicide spraying, spray deposition on the culture and productivity. The aerial application was carried out with solution volume of 7.5, 13.5, 20 and 30.3 L ha-1, using automatic rotating nozzles, and the ground application with 90, 110, 130 and 150 L ha-1, uniform flat spray tips. As control a non-fungicide treatment was used. The aerial and soil treatment showed diseases control from the corn crop, being the biggest cover of drops acquired at...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Farming plane; Corn productivity; Spraying.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-69162017000100116
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Aplicação localizada de herbicidas. Infoteca-e
SHIRATSUCHI, L. S.; CHRISTOFFOLETI, P. J.; FONTES, J. R. A..
ABSTRACT: Curent interest in site-specific weed control considering the weed spatial variability is increasing nowadays, when economical and environmental aspects are considered. This paper reviews the patch spraying methods for herbicides application systems regarding the economical and technical aspects. Using this new approach high herbicides savings are possible, maintaining the efficacy of chemical control using the site-specific herbicide applications, and consequently reducing the environmental impact of the broadcast application of herbicides.
Tipo: Documentos (INFOTECA-E) Palavras-chave: Planta daninha; Precision farming; Agricultural chemicals.; Agricultura de Precisão; Defensivo; Controle Químico; Herbicida; Pulverização.; Chemical control; Herbicides; Spraying; Weeds..
Ano: 2003 URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/568141
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Application methods and dosages of thiamethoxam in thrips control on tomato plants Horticultura Brasileira
Raetano,Carlos Gilberto; Kobayashi,Marco Roberto; Kuwahara,Wagner Roberto; Vinchi,Rodrigo R..
Thrips is one of the most important vector species of the tomato spotted wilt tospovirus (TSWV) in Brazil. Two different pesticide application methods, drench x spray, using thiamethoxam were compared with commonly used insecticides for thrips control in tomato plants, Debora Plus. The experimental design consisted of a complete randomized block design with seven treatments and four replicates. Dosages of 150 and 200 g of a.i. per ha were used in just one drench application and 50 g of a.i. ha-1 sprayed, at weekly intervals, 48 days after sowing. The control efficacy of thiamethoxam was compared to diafenthiuron (400 g of a.i. ha-1), profenofos + cypermethrin (320+32 g of a.i. ha-1, respectively) and methamidophos (60 g of a.i. per hectolitre of water) in...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Lycopersicon esculentum; Frankliniella schultzei; Drench application; Spraying; Chemical control.
Ano: 2003 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-05362003000300002
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Avaliação do depósito de gotas obtido através da pulverização eletrostática e da convencional sobre cultura do algodoeiro. Repositório Alice
SILVA, O. R. R. F.; MARQUES, L.; CARVALHO, O. S.; VIEIRA, R. de M..
Resumo: Dois ensaios de campo foram conduzidos nos municípios de Monteiro, PB, e Surubim, PE, Brasil, no ano agrícola de 1992, com o objetivo de se avaliar a pulverização eletrostática frente à convencional, na cultura do algodoeiro, em duas fases de desenvolvimento das plantas, aos 30 e 80 dias após a germinação, sob condições de sequeiro. O delineamento experimental foi o de blocos casualizados, com cinco repetições e esquema de análise fatorial (23 x 32 + 1) sendo 23 representando os fatores pulverização, pressão e faces da folha (superior e inferior); (32): posição e altura da planta (1): testemunha. A cultivar foi a CNPA precoce 1, plantada no espaçamento de 1m entre fileiras, com 50.000 pl/ha. Para a coleta das populações de gotas, utilizaram-se...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Depósito de gotas; Algodão; Gossypium Hirsutum; Surubim; Pulverização; Cotton; Cotton; Spraying; Electrospraying; Droplets.
Ano: 1997 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/270543
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Computer program for distance learning of pesticide application technology Anais da ABC (AABC)
Maia,Bruno; Cunha,Joao P.A.R..
Distance learning presents great potential for mitigating field problems on pesticide application technology. Thus, due to the lack of teaching material about pesticide spraying technology in the Portuguese language and the increasing availability of distance learning, this study developed and evaluated a computer program for distance learning about the theory of pesticide spraying technology using the tools of information technology. The modules comprising the course, named Pulverizar, were: (1) Basic concepts, (2) Factors that affect application, (3) Equipments, (4) Spraying nozzles, (5) Sprayer calibration, (6) Aerial application, (7) Chemigation, (8) Physical-chemical properties, (9) Formulations, (10) Adjuvants, (11) Water quality, and (12) Adequate...
Tipo: Info:eu-repo/semantics/article Palavras-chave: E-learning; Pesticide application; Spraying; Teaching/learning strategies.
Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652011000400028
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Droplets spectrum of air-assisted boom sprayers under different environmental and operational conditions AGRIAMBI
Sasaki,Robson S.; Teixeira,Mauri M.; Fernandes,Haroldo C.; Zolnier,Sérgio; Maciel,Christiam F. S.; Alvarenga,Cleyton B. de.
ABSTRACT During pesticide spraying, the psychrometric conditions of the air may cause evaporation of the droplets along their trajectory from the nozzle to the target. Thus, this study aimed to evaluate the effect of air psychrometric conditions and operating pressure on the droplet spectrum of air-assisted boom sprayers. The test was performed using a prototype equipped with an axial fan, a flow homogenizer, temperature and relative air humidity sensors, a spray nozzle and a gas-heating system to warm up the airflow. With the assembled system and the aid of a particle analyser, the JSF 11002 spray nozzle was evaluated with respect to droplet spectrum in four air psychrometric conditions (7, 14, 21 and 28 hPa) and at four operating pressures (200, 300, 400...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Evaporation; Spraying; Pesticides.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-43662016000100092
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Estimativa da deposicao de agrotoxicos por analise de gotas. Repositório Alice
CHAIM, A.; MAIA, A.H.N.; PESSOA, M.C.P.Y..
As quantificacoes dos agrotoxicos que atingem os alvos sao feitas com metodologias onerosas ou sofisticadas. Assim, o objetivo deste trabalho foi comparar dois metodos para quantificar as deposicoes de agrotoxicos: um, por analise de gotas, e o outro, por analise quimica de tracador. As gotas de uma calda cuprica foram amostradas com papel sensivel a agua, lamina de microscopio recoberta com oxido de magnesio e cartoes de papel-filtro. No metodo de analise de gotas, o volume depositado em determinada area foi calculado considerando-se os diametros das manchas ou impressoes, fatores de espalhamento e densidade de deposicao. No outro metodo, o volume depositado foi obtido mediante analise de residuo do tracador encontrado nos alvos e pela concentracao da...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Pulverizacao; Gotas; Deposicao; Metodo de recuperacao de deposicao; Spraying; Droplets; Recovery; Method for deposition recovery.
Ano: 1999 URL: http://www.alice.cnptia.embrapa.br/handle/doc/90119
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Improvement of the spray deposition on rice crop International Rice Research Institute
Alam, Murshed.
1 v. (various pagings) : ill. Thesis (Ph.D.) -- Bangladesh Agricultural University
Tipo: Thesis Palavras-chave: Rice; Spraying; Spray deposition; Spraying equipment; Pest management; Pesticides; Application technology.
Ano: 2002 URL: http://hdl.handle.net/123456789/456
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KNOWLEDGE ON ADJUVANT PROPERTIES, DISPOSAL OF PESTICIDERESIDUES AND SPRAY DRIFT OCCURRENCE IN THE STATE OF MATO GROSSO REA
CARVALHO,FERNANDO K.; ANTUNIASSI,ULISSES R.; MOTA,ALISSON A. B.; CHECHETTO,RODOLFO G.; CARVALHO,LÍDIA R. DE.
ABSTRACT This paper aimed at investigating the knowledge level of people working on pesticide spraying activities concerning spray adjuvant properties, as well as collecting information on disposal locations for residues from internal spray tank cleaning, and finally the understanding of pesticide spray drift occurrence in the state of Mato Grosso, Brazil. The information was gathered through a questionnaire answered by participants of a rural extension program in application technology located in nineteen grain and fiber producing regions of Mato Grosso state. Among the mentioned adjuvants, 49.0% belonged to the mineral oil class and 17.9% of participants did not know the functions performed by such products. In addition, 58.5% of the participants...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Pesticides; Spraying; Environmental safety; Application technology.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-69162016000200352
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Longevidade de inflorescências de Epidendrum ibaguense tratadas com aminoetoxivinilglicina. Repositório Alice
MAPELI, A.M.; FINGER, F.L.; OLIVEIRA, L.S. de; BARBOSA, J.G..
O objetivo deste trabalho foi avaliar a influência do inibidor da síntese de etileno aminoetoxivinilglicina (AVG) aplicado na forma de solução de condicionamento e pulverização sobre a abscisão e longevidade de inflorescências de Epidendrum ibaguense Kunth. As hastes foram colhidas e imediatamente condicionadas em solução com 0, 0,5, 1, 1,5 e 2 mM de AVG por 6, 12, 18 e 24 horas. Os mesmos tratamentos foram aplicados na forma de pulverização até o molhamento completo da inflorescência. O experimento foi conduzido em um esquema fatorial entre tempo de aplicação e doses de AVG, mais doses de AVG aplicadas em pulverização nas flores, e o delineamento foi em blocos ao acaso, com cinco repetições, com três hastes por unidade experimental. Independentemente do...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: AVG; Condicionamento; Pulverização; Vida de vaso; Pulsing; Spraying.
Ano: 2009 URL: http://www.alice.cnptia.embrapa.br/handle/doc/125769
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Mapping of the time available for application of pesticides in the state of Paraná, Brazil Agronomy
Silva, Alessandra Fagioli da; Oliveira, Rone Batista de; Gandolfo, Marco Antonio.
Spraying practices are highly sensitive to variations in climatic conditions, so it the spatial variability of the number of monthly hours available for the application of pesticides in the state of Paraná, Brazil, was determined and analyzed. An hourly time series of the climatic data obtained from 54 meteorological stations from the Paraná, for the years 2004-2014 was analyzed. To determine the number of monthly hours available to perform the applications, the following conditions were established: temperature < 30°C, relative air humidity > 55%, wind speed between 3 and 12 km h-1, and rainfall less than 0.2 mm h-1. After being cross-referenced, these data were analyzed using descriptive statistics and geostatistics. A high variability of...
Tipo: Info:eu-repo/semantics/article Palavras-chave: 5.01.02.05-2 application technology; Spraying; Climatic conditions; Geostatistics. Tecnologia de aplicação; Condições climáticas.
Ano: 2018 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/39421
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Mapping of the time available for application of pesticides in the state of Paraná, Brazil Agronomy
Silva, Alessandra Fagioli da; Oliveira, Rone Batista de; Gandolfo, Marco Antonio.
Spraying practices are highly sensitive to variations in climatic conditions, so it the spatial variability of the number of monthly hours available for the application of pesticides in the state of Paraná, Brazil, was determined and analyzed. An hourly time series of the climatic data obtained from 54 meteorological stations from the Paraná, for the years 2004-2014 was analyzed. To determine the number of monthly hours available to perform the applications, the following conditions were established: temperature &lt; 30°C, relative air humidity &gt; 55%, wind speed between 3 and 12 km h-1, and rainfall less than 0.2 mm h-1. After being cross-referenced, these data were analyzed using descriptive statistics and geostatistics. A high variability of...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Application technology; Spraying; Climatic conditions; Geostatistics.; Tecnologia de aplicação; Condições climáticas.
Ano: 2018 URL: http://periodicos.uem.br/ojs/index.php/ActaSciAgron/article/view/39421
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Physical Compatibility and Stability of Pesticide Mixtures at Different Spray Volumes Planta Daninha
MORAES,H.M.F.; COSTA,J.O.; PEREIRA,G.A.M.; SOUZA,W.M.; SILVA,A.A.; PAIXÃO,G.P..
ABSTRACT: Available information on physical compatibility and stability of pesticide mixtures is scarce and often divergent. This knowledge is of fundamental importance in the success of pest, disease, and weed control programs. Compatibility and stability of two glyphosate formulations (WG and SL) in a mixture with fluazinam + deltamethrin + trifloxystrobin/cyproconazole at four diluted water concentrations and different times were evaluated under laboratory conditions. The evaluations were performed at the following time intervals: immediately after mixing and 1, 5, 10, 30, 120, 900, and 1,440 minutes after the mixing of pesticides. Scores were assigned on a scale ranging from 1 to 5, where 1 meant immediate separation of compounds and 5 the perfect...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Pesticides; Formulation; Spraying.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-83582019000100179
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SPATIAL QUALITY ASSESSMENT OF PESTICIDE APPLICATIONS USING A CANNON SPRAYER - DOI: 10.13083/1414-3984/reveng.v23n5p418-427 Engenharia na Agricultura
Samuel de Assis Silva; Universidade Federal do Espírito Santo; Cleyton Batista de Oliveira; Universidade Federal de Uberlândia; Julião Soares de Souza Lima; Universidade Federal do Espírito Santo; Michel de Assis Silva; Universidade Federal do Espírito Santo.
One of the critical points of the current system of crop production is the use of pesticides, which in addition to increasing the cost of production, can cause direct and indirect environmental contamination. This study aimed at evaluating the spatial variability of the quality of the pesticide applications using a cannon sprayer. Hydrosensitive paper targets were placed on the soil every two meters in the direction of the air flow until the maximum range of 30 m, and also in the direction of the tractor movement, placed every 6 m until the maximum distance of 30 m, forming a 90 m² area. Operational parameters of the Volume Median Diameter (VMD), Coefficient of homogeneity (CH), Target coverage (%C) and Density of droplets (DD) were evaluated. The data...
Tipo: Artigo Avaliado por Pares Palavras-chave: Mecanização Agrícola Geostatistics; Application uniformity; Spraying.
Ano: 2015 URL: http://www.seer.ufv.br/seer/index.php/reveng/article/view/527
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Spraying deposits using different nozzles and application volumes for pest management of cotton at reproductive stage. Repositório Alice
COSTA, A. G. F.; MACIEL, C. D. de G.; ROGOSKI, T.; LIRA, A. J. S.; HELVIG, E. O..
With the growing need for greater operational capacity, information about the effect of application volume and spray nozzles on the quality of pesticide application are essential to obtain greater efficiency in pest management in cotton crops. This study aimed to assess the effect of the spraying volume and nozzles on the deposition of spray solution on cotton crops at the reproductive stage. The treatments of the first experiment correspond to the 55, 67, 140 and 194 L ha-1 volumes obtained by variation of the displacement speed using the XR11004 flat fan nozzle. In the second assay the treatments corresponded to the applications of MGA9004 (hollow cone), XR11004 (flat fan), AIXR11004 (air induction flat fan) and CVIA04 (air induction hollow cone) nozzles...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Bico de pulverização; Pulverização; Volume; Velocidade; Solução; Algodão; Gossypium Hirsutum; Application volume; Spraying; Cotton.
Ano: 2019 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1120337
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USE OF REMOTELY PILOTED AIRCRAFTS FOR THE APPLICATION OF PLANT PROTECTION PRODUCTS REA
Cunha,João P. A. R. da; Alvarenga,Cleyton B. de; Rinaldi,Paula C. N.; Marques,Matheus G.; Zampiroli,Renan.
ABSTRACT The use of remotely piloted aircrafts (RPAs) to apply plant protection products has grown a lot in agriculture worldwide. However, little research data are available regarding the efficiency and safety of this method, especially in Brazil. Thus, this review aimed to present the current scenario of scientific research involving RPAs in the application of pesticides. Several factors interfere with the quality of this type of application. Among them are height and flight speed, droplet generator elements, application rate, and spray solution properties. In general, applications have been performed between 1.0 m and 3.0 m of height and 1.0 m s-1 and 7.0 m s-1 of speed. As for the droplet generator element, there is still no clarity as to the ideal...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Application technology; Drones; Pesticides; Spraying.
Ano: 2021 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-69162021000200245
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Ventana de aplicación de plaguicidas en huertos de arándano (Vaccinium sp.) de la zona de Los Ángeles, Chile Agricultura Técnica
Hetz,Edmundo; Saavedra,Mauricio; Venegas,Alejandro; López,Marco.
The objectives of this work were to establish non-polluting pesticide application windows (VAP), that is the existence and size of appropriate daily periods to apply pesticides, for blueberry (Vaccinium sp.) orchards located in the Los Angeles area (37º28’ S. lat., 72º23’ W long.), Bio-Bio province, Chile; to compare them with the time demands of the annual spraying schedule, the effective work capacity (CET) of the air blast sprayers available in the market, and the area of the orchards. To achieve these objectives a 21-year daily meteorological database that included daily rainfall, wind speed, temperature and relative humidity was probabilistically processed. The results showed that there are enough appropriate days to carry out these applications, even...
Tipo: Journal article Palavras-chave: Spraying; Appropriate days; Pollution; Probabilities; Pulverización; Días apropiados; Contaminación; Probabilidades.
Ano: 2004 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0365-28072004000400006
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WATER HARDNESS AND pH IN THE EFFECTIVENESS OF GLYPHOSATE FORMULATIONS REA
Cunha,João P. A. R. da; Palma,Roxanna P.; Oliveira,Arthur C. de; Marques,Matheus G.; Alvarenga,Cleyton B. de.
ABSTRACT The hardness and pH of the spray water can interfere with the weed control effectiveness with herbicides, but it is not clear the magnitude of this interference, mainly associating different levels of pH and hardness to different glyphosate formulations. This study aimed to evaluate the influence of hardness and pH, in association, of the water used in the application of two glyphosate formulations on the weed control effectiveness. The experiment was conducted in duplicate, in areas with a predominance of Digitaria horizontalis, under a randomized block design with a 4×4×2+1 factorial scheme, composed of four water hardness levels (70, 110, 230, and 430 ppm CaCO3), four pH levels (3.5, 4.5, 5.5, and 6.5), two glyphosate formulations (ammonium...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Herbicide; Water quality; Spraying; Application technology.
Ano: 2020 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-69162020000400555
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ชีวภัณฑ์เชื้อแบคทีเรียปฏิปักษ์ Bacillus subtilis B076 เพื่อการเคลือบเมล็ดและพ่นทางใบ เพื่อควบคุมเชื้อแบคทีเรีย Acidovorax avenae subsp. citrulli Thai Agricultural
Kuson Thomma; Pisan Sirithorn.
Antagonistic activity of bacterium B. subtilis B076 on nutrient agar medium (NA) to Acidovorax avenae subsp. citrulli (Aac) isolate KK9 causal agent of bacterial fruit blotch, in the laboratory of Agricultural Biotechnology Research Center for Sustainable Economy Khon Kaen University. The results revealed that the B. subtilis B076 could exhibit the inhibition zone of diameter 1.94 cm. When cultured the bacterium antagonist in nutrient broth (NB) added with 2% glucose, the maximum ratio of heat tolerant cells production (61%) was obtained five days of incubation. The pellets of antagonistic bacteria were freeze dried by lyophilizer, the number of bacterial cell declined by 42.7%. The dust of bacterium after homogenizing with seed coating formulation...
Tipo: PhysicalObject Palavras-chave: Cantaloupe; Bacterial antagonist; Bacillus subtilis; B076; Bacterial fruit blotch; Seed coating; Seed treatment; Spraying; Biological control; Disease control; Acidovorax avenae; Formulations; แคนตาลูป; แบคทีเรียแบซิลลัส ซับทิลิส; เชื้อแบคทีเรียปฏิปักษ์; โรคผลเน่า; การเคลือบเมล็ด; การฉีดพ่นทางใบ; การยับยั้งการเจริญของเชื้อแบคทีเรีย; การควบคุมโรคโดยชีววิธี; ชีวภัณฑ์สูตรน้ำ; ประสิทธิภาพการควบคุมเชื้อแบคทีเรีย.
Ano: 2013 URL: http://anchan.lib.ku.ac.th/agnet/handle/001/5736
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