Applied Research & Agrotechnology最新文献

{"title":"Atividade antifúngica de negramina, eucalipto e pinhão manso sobre os fitopatógenos","authors":"E. L. Arruda, M. Lopes, A. F. C. Júnior, R. R. Fidelis, Manoel Mota dos Santos","doi":"10.5935/PAET.V12.N2.04","DOIUrl":"https://doi.org/10.5935/PAET.V12.N2.04","url":null,"abstract":"Objetivou-se avaliar as propriedades antifungicas de tres especies vegetais: Eucalyptus globulus, Siparuna guianensis e Jatropha curcas, contra os fitopatogenos Rhizoctonia solani e Sclerottium rolfsii . Foram testados 5 concentracoes (0 µl.mL -1 , 0.5 µl.mL -1 , 1 µl.mL -1 e 1.5 µl.mL -1 , 2.0 µl.mL -1 ) em 4 periodos (24, 48, 72, 96 horas) do oleo bruto de pinhao – manso, negramina e eucalipto. Os oleos foram inseridos em meio BDA acrescido de 1% de tween 80. Discos de 5.0 mm de diâmetro contendo micelio do patogeno foram transferidos para o centro de cada placa que foram incubadas por 4 dias e a cada 24 horas o crescimento micelial do patogeno foi avaliado. O oleo essencial de Eucalipto inibiu totalmente o crescimento micelial de R. solani nas doses de 1.0 µl.mL -1 , 1.5 µl.mL -1 , 2.0 µl.mL -1 em todos os periodos de avaliacoes de S.rolfssii periodos de 24 h, 72 h e 48h, com excecao da dose de 2.0 µl.mL -1 que inibiu o crescimento micelial em todos os tempos. O oleo de Negramina nas concentracoes de 1.5 µl.mL -1 e 2.0 µl.mL -1 reduziram o cresciemento dos fungos R. solani e S. rolfsii. As associacoes 1 e 2 nas concentracoes 1.5 µl.mL -1 e 2 µl.mL -1 inibiram totalmente o crescimento micelial dos fitopatogenos. O oleo Pinhao manso nao apresentou atividade antigungica.","PeriodicalId":42771,"journal":{"name":"Applied Research & Agrotechnology","volume":"26 1","pages":"47-58"},"PeriodicalIF":0.0,"publicationDate":"2019-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77782978","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Application of edible coatings in conservation of acerola","authors":"Ricardo Patrese Jorge Repolho, Wendel da Costa Oliveira, A. Carvalho, A. Sanches, J. R. D. Sousa","doi":"10.5935/PAET.V12.N2.05","DOIUrl":"https://doi.org/10.5935/PAET.V12.N2.05","url":null,"abstract":"The acerola is a tropical fruit recognized for its high nutritional value, however, the high pereceability after harvest motivated by its climacteric behavior requires conservation techniques that allow the maintenance of its quality during the storage period. The edible coatings, in this context, are presented as alternatives since they form barriers on the fruits, restricting the gas exchanges, improving the visual aspect without compromising with the fruit flavor. Thus, this study aims to evaluate the application of edible coatings on the post-harvest quality of acerolas cv. Costa Rica during refrigerated storage (10 °C). Fruits of ripe acerolas were harvested in a commercial orchard, sanitized and immersed in three solutions (3%) of cassava starch, arrow starch and gelatine, in addition to the control represented by uncoated fruits for a period of 3 minutes. These were then dried and packed in styrofoam polystyrene trays coated with polypropylene plastic film (PVC) and stored under refrigeration (10 °C) for 12 days. The total fresh solids content (o Brix), titratable acidity (% malic acid), pH, TSS/AT ratio and sensorial analysis on the occurrence of wilting were evaluated every three days, visual appearance and the aroma of the fruits. The experimental design was completely randomized in a factorial scheme of 4x5, that is to say, (4 treatments: control, cassava starch, arrowroot starch and gelatin) and (5 storage times: 0, 3, 6, 9 and 12 days ), with five replicates and the experimental plot composed of 100 g trays. During the storage period, no significant difference was observed between the coatings used, however, their action on the fruits contributes to reduce the loss of fresh mass and to allow a better balance in the fruit flavor ratio (SST / AT) after 12 days . The films formed on the fruits did not compromise the chemical quality (soluble solids, titratable acidity and pH) maintaining similar behavior to the fruits of the control treatment. In addition, there was a reduction in the incidence of wilting and the loss of the characteristic aroma of the fruits, contributing to a better visual appearance. Thus, edible coatings based on cassava starch and arrowroot and gelatine are presented as effective alternatives in preserving the quality of acerolas during refrigerated storage.","PeriodicalId":42771,"journal":{"name":"Applied Research & Agrotechnology","volume":"48 1","pages":"59-69"},"PeriodicalIF":0.0,"publicationDate":"2019-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76294606","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Produção e composição física da planta de milho para silagem em diferentes sistemas\u0000 de cultivo","authors":"M. Neumann, Giselle Maria Seleme Turco, Marcos Ventura Faria, G. Vigne, A. M. Souza","doi":"10.5935/paet.v12.n1.09","DOIUrl":"https://doi.org/10.5935/paet.v12.n1.09","url":null,"abstract":"","PeriodicalId":42771,"journal":{"name":"Applied Research & Agrotechnology","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71189529","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Use of seage sludge for eucalypt (Eucalyptus spp) commercial and seedling production","authors":"Alexandre Lioi Nascentes, B. Lena, J. Francisco, Fabiana da Costa Barros, Leonardo Rafael da Silva","doi":"10.5935/PAET.V12.N3.15","DOIUrl":"https://doi.org/10.5935/PAET.V12.N3.15","url":null,"abstract":"This study had the objective of identify the seage sludge use feasibility as a fertilizer alternative for eucalypt commercial cultivation and as substrate for seedling production by an updated literature review. The research was performed on the following database: SciELO, CAPES journal portal, universities thesis and dissertations, Scopus, Bireme and SienceDirect, as well as books, articles, short communication and regulations. The use of seage sludge directly in the soil have been showing good results for wood production and it is considered a feasible alternative to mineral fertilizers. For most of the studies analyzed showed an application of 10 ton ha -1 of seage sludge as the most adequate due to the similar results or higher wood production compared to the mineral fertilization. The partial or total use of seage sludge within the substrate for eucalypt seedling production have also shown promising results, however, due to the lack of reliable information, it is still necessary further studies to identify the better seage sludge/commercial substrate ratio.","PeriodicalId":42771,"journal":{"name":"Applied Research & Agrotechnology","volume":"29 1","pages":"151-160"},"PeriodicalIF":0.0,"publicationDate":"2019-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86036654","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Nutritional composition of asparagus (Asparagus officinalis) and peruvian carrot (Arracacia xanthorrhiza) produced in an organic system","authors":"W. Sganzerla, Ana Letícia Andrade Ferreira, Gabriel Bachega Rosa, Patrícia Carolina Beling, F. D. Zinger, A. Veeck","doi":"10.5935/PAeT.V12.N3.09","DOIUrl":"https://doi.org/10.5935/PAeT.V12.N3.09","url":null,"abstract":"La inclusion de alimentos vegetales en la dieta humana esta relacionada con el mantenimiento de buenos habitos alimenticios. Los estudios muestran que las partes no convencionales de los alimentos vegetales tienen un alto valor nutricional, siendo superiores a la parte convencional. Por lo tanto, el objetivo de este estudio fue evaluar la composicion nutricional (humedad, cenizas, lipidos, proteinas y carbohidratos) y determinar el valor calorico y el porcentaje de ingesta diaria de esparragos ( Asparagus officinalis ) y arracachia ( Arracacia xanthorrhiza ) cultivada a partir de forma organica en la sierra de Santa Catarina. Se analizaron brotes de esparragos (in natura), hojas de esparragos (base seca y humeda), tuberculo de arracachia blanco y amarillo (in natura) y hojas de arracachia blancas y amarillas (base seco). Los resultados muestran un acentuado contenido de cenizas en las hojas de esparragos (base seca) (6,75 ± 0,19 g%) y arracachia blanca y amarilla (10,73 ± 0,02 g% y 11,51 ± 0, 05 g%). Ademas, las hojas en base seca de esparragos (21,71 ± 0,71 g%) y arracachia blancas (19,70 ± 1,54 g%) y amarillas (19,62 ± 0,75 g%) tienen alto contenido de proteinas, que refleja el alto porcentaje de ingesta diaria recomendada (% IDR) de estos alimentos. Por lo tanto, se verifica la importancia nutricional y ambiental de reducir los residuos agroalimentarios a traves de la utilizacion integral de los alimentos, cuantificando los macronutrientes presentes y su relacion en el porcentaje de ingesta diaria.","PeriodicalId":42771,"journal":{"name":"Applied Research & Agrotechnology","volume":"52 1","pages":"93-101"},"PeriodicalIF":0.0,"publicationDate":"2019-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88442308","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Evaluation of phytosanitary quality and germination of forage seeds","authors":"Natieli Gonçalves Chortaszko, P. Rossi, Carla Garcia, Deonísia Martinichen","doi":"10.5935/PAET.V12.N2.07","DOIUrl":"https://doi.org/10.5935/PAET.V12.N2.07","url":null,"abstract":"The objective of this work was to verify the phytosanitary and germinative quality of sorghum seeds ( Sorghum sudanense ), brizanta ( Urochloa brizantha ), aruana ( Megathyrsus maximum ) and millet ( Pennisetum glaucum ). Thus, germination tests were performed according to the Rules for Seed Analysis (RAS). The phytopathogenic fungi present in the seeds were also identified, using the plating technique in BDA (Potato, Dextrose, Agar) culture medium and the development of these plants under greenhouse conditions. The experimental design for the laboratory tests were entirely randomized and in a greenhouse in randomized blocks. According to the results, it was observed that sorghum and millet presented germination and dry mass superior to brizanta and aruana. In relation to sanity, it was verified that sorghum and millet obtained low contamination by phytopathogens in comparison with the other seeds, among fungi found in brizanta and aruana forages, Aspergillus sp., Fusarium sp., Alternaria sp., Penicillium sp. and Cladosporium sp .. This fact can be considered the limiting factor for the development and the best quality of the evaluated seeds.","PeriodicalId":42771,"journal":{"name":"Applied Research & Agrotechnology","volume":"13 1","pages":"81-88"},"PeriodicalIF":0.0,"publicationDate":"2019-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84991783","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Evalution of packaging in the conservation of minimally processed squash","authors":"Keila Sousa Lima, A. Sanches, C. Cordeiro","doi":"10.5935/PAET.V12.N3.07","DOIUrl":"https://doi.org/10.5935/PAET.V12.N3.07","url":null,"abstract":"A abobora ( Cucurbita moschata Duch.) e fruto com alto valor nutricional e o processamento minimo e a principal alternativa para reduzir as perdas pos-colheita e agregar valor ao produto, contudo, produtos processados sao mais pereciveis e, portanto, necessitam de tecnologias de conservacao coo o uso de embalagens plasticas para a preservacao da qualidade durante o armazenamento. Nesse sentido, o objetivo deste trabalho foi avaliar a eficiencia de embalagens para o armazenamento de aboboras minimamente processadas. Aboboras maduras foram adquiridas no comercio local, processadas em cubos de 3,0 cm, sanitizadas, acondicionadas em diferentes embalagens plasticas e armazenadas em refrigerador (10 oC) por um periodo de 12 dias. O delineamento experimental adotado foi o inteiramente casualizado em arranjo fatorial 3x5 que compreende tres embalagens (saco plastico de polipropileno, bandeja de poliestireno expandido recoberta com filme de PVC e polietileno tereftalato) e cinco dias de avaliacao (0, 3, 6, 9 e 12 dias) com tres repeticoes. A cada tres dias avaliou-se a perda de massa fresca, firmeza, solidos soluveis, acidez titulavel, pH, relacao SST/ATT, coloracao da polpa, incidencia de esbranquicamento e a qualidade geral. A qualidade fisico-quimica e sensorial das aboboras foi comprometida ao longo do tempo de armazenamento (p<0,05). Ja o acondicionamento em bandeja de poliestireno revestida com filme de PVC (BPE+PVC) resultou em menor perda de massa fresca, manutencao da firmeza e menor degradacao de solidos soluveis, alem de garantir preservacao das caracteristicas sensoriais ao longo de 12 dias de armazenamento a 10 °C.","PeriodicalId":42771,"journal":{"name":"Applied Research & Agrotechnology","volume":"3 1","pages":"75-84"},"PeriodicalIF":0.0,"publicationDate":"2019-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82209209","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Seleção de progênies de meiosirmãos de milho para condição de segunda safra no sul\u0000 do Tocantins","authors":"A. Melo, Valdere Martins dos Santos, Markus Taubinger, R. Costa, Marony Pereira de Almeida Santos","doi":"10.5935/PAET.V12.N1.06","DOIUrl":"https://doi.org/10.5935/PAET.V12.N1.06","url":null,"abstract":"","PeriodicalId":42771,"journal":{"name":"Applied Research & Agrotechnology","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71189472","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Soils of tropical meadow submitted to the cultivation of Watermelon and Melon in the State of Tocantins","authors":"Olavo da Costa Leite, Gilberto Coutinho Machado Filho, Wilma Dias Santana, I. R. Nascimento","doi":"10.5935/PAET.V12.N2.12","DOIUrl":"https://doi.org/10.5935/PAET.V12.N2.12","url":null,"abstract":"A exploracao das areas de varzeas tropicais no Estado do Tocantins iniciou-se com o avanco da fronteira agricola do agronegocio a partir da implantacao do Projeto de Irrigacao Rio Formoso, no fim da decada de 1970. Ate entao, poucos trabalhos tem sido desenvolvidos no intuito estudar as caracteristicas dos solos das varzeas do Tocantins e associar tais caracteristicas a indices de produtividade de culturas cultivadas nesse ambiente. Objetivo – se com o presente trabalho caracterizar os tipos de solos encontrados nas areas de varzea do Estado do Tocantins, bem como associar os mesmos aos cultivos de melao e melancia. Buscou-se interligar os fatores de produtividade das culturas em destaque com as caracteristicas inerentes aos solos estudados. Embora os solos apresentem de maneira geral entre media e baixa concentracao de nutrientes como, Ca, Mg, P, Zn, Cu, Mn, entre medio a alto teor de Al e Fe, o moderno sistema de irrigacao proveniente da alteracao da agua no lencol freatico em periodo de plantio, contribui para que a producao em tonelada seja superior do que a media nacional, desde que sejam feitas medidas corretivas adequadas.","PeriodicalId":42771,"journal":{"name":"Applied Research & Agrotechnology","volume":"17 1","pages":"121-129"},"PeriodicalIF":0.0,"publicationDate":"2019-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79015060","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Suspension Agaricus brasiliensis in the induction of phytoalexins and in the control of the grapevine downy mildew","authors":"Carla Garcia, H. S. D. Santa, Aline Ratuchne, Marieda Caroline Provin","doi":"10.5935/PAET.V12.N2.10","DOIUrl":"https://doi.org/10.5935/PAET.V12.N2.10","url":null,"abstract":"El objetivo del presente estudio fue verificar el efecto elicitor en la induccion de fitoalexina y control de la severidad del mildiu de la vid ( Plasmopara viticola ) en condiciones de campo de suspension micelial acuosa (SMA) de Agaricus brasilienis . Para inducir la fitoalexina en frijoles, soja, sorgo y severidade del mildiu, se utilizaron tratamientos que contienen a SMA de A. brasilensis lavada y sin lavar, asi como con y sin asociacion con aceite vegetal (OV), como tratamiento de control con agua y patrones con acibenzolar-S-metilo (ASM 0.005%) y Mezcla de Burdeos (1: 1: 1) ¬ En otro experimento, tambien para la determinacion de la induccion de fitoalexinas en soja y sorgo, se utilizaro las dosis de 0, 1, 5, 10, 15 y 20% da SMA de A. brasiliensis . Se verifico que el SMA de A. brasiliensis a 10%SMA indujo em 1000% y 56% la fitoalexina en frijoles y sorgo, respectivamente. Para la soya, se observo un aumento del 400% con 5% de SMA lavada de A. brasiliensis . Las dosis de esta suspension pueden inducir una induccion de 460% y 710% cuando se usa 20% de la SMA de cogumelo. En condiciones de campo no se verifico diferencias estadisticas entre los tratamientos aplicados a las vides. Por lo tanto, se puede decir que el SMA de A. brasiliensis presenta compuestos capaces de desencadenar un comportamiento inductor para respuestas de induccion de resistencia en plantas, pero no se observo ningun efecto directo sobre el patogeno evaluado.","PeriodicalId":42771,"journal":{"name":"Applied Research & Agrotechnology","volume":"31 1","pages":"107-114"},"PeriodicalIF":0.0,"publicationDate":"2019-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81906379","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}