Academic literature on the topic 'Allium cepa L'
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Journal articles on the topic "Allium cepa L"
Edelsztejn-Kosowa, R. "Bakcterjoza cebuli jadalnej (Allium cepa L.) [Bactériose de la builbe de l'oignon (Allium cepa L.)]." Acta Societatis Botanicorum Poloniae 10, no. 4 (2017): 495–520. http://dx.doi.org/10.5586/asbp.1933.022.
Full textDeepa Gupta, Divya Lalwani, and Rakesh Gupta. "Extraction and Evaluation of Alium Cepa for pharmacological action." GSC Biological and Pharmaceutical Sciences 18, no. 2 (February 28, 2022): 168–72. http://dx.doi.org/10.30574/gscbps.2022.18.2.0043.
Full textWuryanti, Wuryanti, Nies Suci Mulyani, Mukhammad Asy'ari, and Purbowatiningrum Ria Sarjono. "Uji Ekstrak Bawang Bombay sebagai Anti Bakteri Gram Positif Staphylococcus aureus dengan Metode Difusi Cakram." Bioma : Berkala Ilmiah Biologi 12, no. 2 (April 27, 2012): 68. http://dx.doi.org/10.14710/bioma.12.2.68-72.
Full textRomanov, V. S., L. Yu Kan, N. I. Timin, A. S. Domblides, A. V. Molchanova, and M. M. Tareeva. "CHARACTERIZATION OF HYBRIDS BETWEEN ALLIUM CEPA L. AND ALLIUM NUTANS L." Vegetable crops of Russia, no. 5 (February 5, 2018): 33–36. http://dx.doi.org/10.18619/2072-9146-2017-5-33-36.
Full textPeffley, E. B., and P. D. Mangum. "Introgression of Allium fistulosum L. into Allium cepa L.: cytogenetic evidence." Theoretical and Applied Genetics 79, no. 1 (January 1990): 113–18. http://dx.doi.org/10.1007/bf00223796.
Full textSimanjuntak, Helen Anjelina, and Megawati Butar - Butar. "UJI AKTIVITTAS ANTIFUNGI EKSTRAK ETANOL UMBI BAWANG MERAH (Allium cepa L.) TERHADAP Candida albicans DAN Pityrosporum ovale." Eksakta : Jurnal Penelitian dan Pembelajaran MIPA 4, no. 2 (August 15, 2019): 91. http://dx.doi.org/10.31604/eksakta.v4i2.91-98.
Full textDibfiora, Rona, Evi U. M. Situmorang, and Rita D. Firmansyah. "Efficacy of Shallot (Allium cepa L. Var. aggregatum) and Garlic (Allium sativum) as Herbal Anthelmintic against Ascaris suum." Journal of Medicine and Health 3, no. 1 (February 27, 2021): 34–45. http://dx.doi.org/10.28932/jmh.v3i1.3267.
Full textP, Durgadevi, and Sumathi P. "Chemical Profiling, Larvicidal Activity and Antihemolytic Property of Allium sativum L. and Allium cepa L. Essential Oil." Journal of University of Shanghai for Science and Technology 23, no. 09 (September 20, 2021): 945–58. http://dx.doi.org/10.51201/jusst/21/09622.
Full textAlehina, Gelena, Nikolay Knutarev, Julia Verkhoshentseva, Alexander Shamraev, and Svetlana Hardikova. "Influence of urbanized territories on mitotic activity of onion root meristem cells (Allium cepa L.)." АгроЭкоИнфо 2, no. 50 (April 9, 2022): 1. http://dx.doi.org/10.51419/202122201.
Full textRahmi, Miftahur. "Uji Aktivitas Antijamur Minyak Atsiri Bawang Bombay ( Allium cepa L.) terhadap Pseudomonas aeruginosa." Jurnal Penelitian Farmasi Indonesia 8, no. 1 (September 1, 2019): 6–11. http://dx.doi.org/10.51887/jpfi.v8i1.553.
Full textDissertations / Theses on the topic "Allium cepa L"
Cardoso, Deise Silva Castro Pimentel. "Cura artificial da cebola (Allium cepa L.)." Universidade Federal de Viçosa, 2012. http://locus.ufv.br/handle/123456789/4572.
Full textConselho Nacional de Desenvolvimento Científico e Tecnológico
Aiming to assess the conservation of onion bulbs, "Bola Precoce" variety, using air treatment unit (ATU), known as heat pump, as an alternative method of drying, an experiment was carried out in two consecutive years (2010 and 2011) at the Federal University of Viçosa, Viçosa City, Minas Gerais State, Brazil. The bulbs were cured in silos with capacity of 500 kg. The treatments consisted of T1 (aeration using air at room temperature), T2 (aeration using hot and dehydrated air), T3 (aeration using air heated by burning propane), and T4 (witness, bulbs cured with ambient air). Relative water content of the peel and internal film, the peel and pulp color, visual index of overcoming dormancy, total soluble sugars, reducing sugars, non-reducing sugars, dry matter content, soluble solids, total titratable acidity, alliinase activity, soluble phenolic content, weight loss, and percentage of damaged bulbs, sprouted and rooted were evaluated at the end of 14 days of storage. In 2010, during curing, the relative water content of the pulp was reduced in treatments with hot and dehydrated air and with heated air by burning propane. The bulbs cured with hot and dehydrated air had more intense yellow pulp. The bulbs cured with air heated by burning propane showed high concentrations of total soluble sugars, reducing sugars, and soluble solids, probably due to high temperature of this treatment. For concentration of pyruvic acid, the lowest values were observed in the T2 and T3 bulbs. High air temperature in these treatments probably has inhibited the activity of alliinase. During storage, the concentration of pyruvic acid was higher with hot and dehydrated air. The largest loss of relative weight was observed on the first layers of the treatment with hot and dehydrated air and treatment with heated air by burning propane. Bulbs of T2 showed a yellow and clear peel when compared with the bulbs of the witness. Treatments with hot and dehydrated air and heated air by burning propane showed higher levels of total soluble sugars and reducing sugars. At the end of storage, bulbs sprouted and rooted were not observed, but the witness had a higher percentage of damaged bulbs and high visual index of overcoming dormancy. In 2011, the cure of treatment was completed at different times, 12, 27, 48, and 168 hours for T1, T2, T3, and T4, respectively. Bulbs of the witness showed the highest average values for the relative water content of peel, and bulbs cured with hot and dehydrated air had the highest average values for the relative water content of the film inside. The onion bulbs of T2 (hot and dehydrated air) showed intense yellow pulp at the end of the cure process. The conclusion of this work is that, regardless of the used cure method, the quality characteristics of onion bulbs post-harvest were preserved. However, T2 (aeration using heated and dehydrated air) allowed the onion bulbs were cured in a shorter time (12 hours). And besides, this treatment allowed obtaining an intense yellow color for the onion bulbs pulp.
Com o objetivo de avaliar a conservação dos bulbos de cebola da variedade Bola Precoce , utilizando uma unidade de tratamento de ar (UTA), conhecida como bomba de calor, como método alternativo de secagem, foi conduzido, em dois anos consecutivos (2010 e 2011), um experimento na Universidade Federal de Viçosa. Os bulbos foram curados em silos com capacidade de 500 kg. Os tratamentos consistiram em: T1 (aeração utilizando ar a temperatura ambiente), T2 (aeração utilizando ar quente e desidratado), T3 (aeração utilizando ar aquecido pela queima de propano) e T4 (Testemunha, bulbos curados com ar ambiente). Avaliou-se o teor relativo de água da casca e películas internas, coloração da casca e polpa, índice visual de superação da dormência, açúcares solúveis totais, açúcares redutores, açúcares não redutores, teor de massa seca, sólidos solúveis, acidez total titulável, atividade da alinase, teor de compostos fenólicos solúveis,perda de massa fresca e percentagem de bulbos deteriorados, brotados e enraizados no final de 14 dias de armazenamento. Em 2010, durante a cura, oteor relativo de água da polpa foi menor nos tratamentos com ar quente e desidratado e com ar aquecido pela queima de propano. Os bulbos curados com ar quentee desidratado apresentaram a polpa amarelo mais intenso. Os bulbos curados com ar aquecido pela queima de propano apresentaram maiores concentrações de açúcares solúveis totais, açúcares redutores e sólidos solúveis, devido, provavelmente, a maior temperatura deste tratamento. Para a concentração de ácido pirúvico, os menores valores foram observados nos bulbos dos T2 e T3. A maior temperatura do ar nesses tratamentos, provavelmente, inibiu a atividade da alinase. Durante o armazenamento,aconcentração de ácido pirúvico foi maior no tratamento com ar quente e desidratado. As maiores perdas de massa fresca relativa foram observadas nas primeiras camadas do tratamento com ar quente e desidratadoe no tratamento com ar aquecido pela queima de propano. Os bulbos do T2 apresentaram a casca amarela e clara quando comparado com os bulbos da testemunha. Os tratamentos com ar quente e desidratado e ar aquecido pela queima de propano apresentaram maiores teores de açúcares solúveis totais e açúcares redutores. No final do armazenamento, não foram observados bulbos brotados e enraizados, porém a testemunha apresentou maior porcentagem de bulbos deteriorados e maior índice visual de superação da dormência. No ano de 2011, a cura dos tratamentos foi finalizada em tempos diferentes, 12, 27, 48 e 168 horas para T1, T2, T3 e T4 respectivamente.Os bulbos da testemunha apresentaram os maiores valores médios para o teor relativo de água da casca e os bulbos curados com ar quente e desidratado apresentaram os maiores valores médios para o teor relativo de água da película interna. Os bulbos de cebola do T2 (ar quente e desidratado) apresentaram a polpa amarelo intenso no final do processo de cura. Conclui-se com este trabalho que, independente do método de cura utilizado, as características de qualidade pós-colheita dos bulbos de cebola foram preservadas. No entanto, o T2 (aeração utilizando ar aquecido e desidratado) permitiu que os bulbos de cebola fossem curados num menor período de tempo (12 horas). E, além disso, este tratamento permitiu a obtenção de uma coloração da polpa dos bulbos amarelo intenso.
Martins, Fernanda de Lima. "Secagem convectiva de cebola (Allium cepa L)." Florianópolis, SC, 2002. http://repositorio.ufsc.br/xmlui/handle/123456789/83982.
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Investigou-se os mecanismos de transferência de calor e massa no processo de secagem de cebola, e as melhores condições operacionais. Foram realizados experimentos em bandejas, com a cebola cortada em paralelepípedos, e como variáveis foram utilizadas: temperatura do ar secagem de 40 e 70 º C: velocidade de 1 e 2m/s; leito de 1,5 e 3,0cm; e escoamento de ar paralelo e perpendicular ao leito. Foi estudada a reidratação a 50OC. Uma avaliação do custo de energia na secagem foi feita. Adotou-se um modelo difusivo clássico de uma resistência, sendo considerado o encolhimento no ajuste da solução em série aos valores experimentais. Obteve-se estimativas dos coeficientes de difusão de massa efetivos globais e da evolução do coeficiente de difusão da massa ao longo do processo. Os coeficientes de difusão na reidratação, bem como as difusividades térmicas foram também obtidas. Calcularam-se os coeficientes convectivos de calor e massa. Outro modelo, considerando duas resistências, foi aplicado na descrição da secagem, possibilitando a estimativa dos coeficientes de difusão de massa efetivos na etapa inicial, onde a resistência convectiva externa e importante. Desponta a importância de se utilizar fluxo transversal com reciclo do ar de secagem através do leito, evitando-se grandes espessuras do mesmo, como forma de se obter um produto de melhor qualidade e menor custo.
Khamis, N. A. R. "The viability of seeds of Allium cepa L." Thesis, University of Salford, 1985. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.353983.
Full textMendes, Maribel da Silva. "Elementos-traço em Allium cepa L. e Lactuca sativa L." Universidade Federal de Pelotas, 2008. http://repositorio.ufpel.edu.br/handle/ri/1166.
Full textThe environmental pollution with trace-elements (ETs) is an increasing problem in the modern society, having extreme importance the evaluation of these environmental risks. The use of seeds of superior plants is ideal for such tests since they are efficient, quick and of easy execution. The objectives of this work were evaluate the toxic effects on the germination and cytotoxics on the meristematics cells of Allium cepa L. and Lactuca sativa L. roots, under different concentrations of the trace-elements cadmium (0,5; 1,0; 3,0; 5,0; 7,0 and 9,0mg. L-1), arsenic (2,5; 5,0; 7,5; 10; 15; 20mg. L-1), lead (50, 100, 150, 200, 250 and 300mg. L-1), chromium (50, 100, 150, 200, 250 and 300mg. L-1) and mercury (0,25; 0,5; 1,0; 1,5; 2,0 and 2,5mg. L-1), after 168 and 48h of exhibition, respectively. In lettuce, de maximum number and classes of nucleolus per interphasic cell were observed. The results showed toxic effect of the traceelements on the germination of the seeds and Mitotic Index (IM), besides the induction of chromosomic aberrations in the meristematic cells of A. cepa L. The degree of toxicity and the different anomalies increased with the increase of ET concentration. In L. sativa it was evident that both the percentage of germination and the IM decreased with the increase of ETs concentration. The cytotoxicity caused by these ETs was demonstrated in the different chromosomic anomalies caused to the meristematic cells of this vegetable species. The presence of chrome, even in the lowest concentrations used in this study, impaired the events sequence of the germination process of lettuce seeds. Regarding the number of nucleolus, the studies demonstrated that, the lettuce has, at most, six (6) nucleolus per interphasic cell, even in the presence of the studied trace-elements.
A poluição ambiental com elementos-traço (ETs) é um problema cada vez maior da sociedade moderna, sendo a avaliação destes riscos ambientais de extrema importância. O uso de sementes de plantas superiores é ideal para tais ensaios porque são eficientes, rápidos e de fácil execução. Os objetivos deste trabalho foram avaliar os efeitos tóxicos na germinação e citotóxicos nas células meristemáticas das raízes de Allium cepa L. e de Lactuca sativa L. sob diferentes concentrações dos elementos-traço cádmio (0,5; 1,0; 3,0; 5,0; 7,0 e 9,0mg.L-1), arsênio (2,5; 5,0; 7,5; 10; 15; 20mg.L-1), chumbo (50, 100, 150, 200, 250 e 300mg.L-1), cromo (50, 100, 150, 200, 250 e 300mg.L-1) e mercúrio (0,25; 0,5; 1,0; 1,5; 2,0 e 2,5mg.L-1), após 168 e 48h de exposição, respectivamente. Observouse, em alface, o número máximo e as classes de nucléolos por célula interfásica. Os resultados mostraram efeito tóxico dos elementos-traço sobre a germinação das sementes e no Índice Mitótico (IM), além da indução de aberrações cromossômicas nas células meristemáticas de A. cepa. O grau de toxicidade e as diferentes anomalias aumentam com o aumento da concentração do ET. Em L. sativa ficou evidenciado que tanto a percentagem de germinação, como o IM decresceram com o aumento da concentração dos ETs. A citotoxicidade causada por esses ETs ficou demonstrada nas diferentes anomalias cromossômicas causadas às células meristemáticas dessa espécie vegetal. A presença de cromo, mesmo nas concentrações mais baixas utilizadas neste estudo, inviabilizou a seqüência dos eventos do processo de germinação das sementes de alface. Em relação ao número de nucléolos, os estudos demonstraram que, a alface possui, no máximo, seis (6) nucléolos por célula interfásica, mesmo na presença dos elementos-traço estudados.
Silva, Alexander Alves da [UNESP]. "Caracterização de organossulfurados em diferentes cultivares de alho (Allium sativum L.) e cebola (Allium cepa L.)." Universidade Estadual Paulista (UNESP), 2009. http://hdl.handle.net/11449/97966.
Full textCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
As espécies Allium são fontes ricas de fitonutrientes, sendo usadas desde a antiguidade como remédios, úteis para uma variedade de doenças tais como: coronárias, hipercolesterolemia, diabetes do tipo 2, hipertensão, catarata, distúrbios gastrointestinais, dor de cabeça, picadas de insetos, vermes e tumores. Muitos destes efeitos biológicos são relacionados aos tiosulfinatos, compostos de enxofre lábeis, típicos das espécies de Allium, que são também responsáveis pelo seu aroma e gosto picante característicos. Os compostos sulfurados voláteis de alho (Allium sativum L.) e cebola (Allium cepa L.) têm sido muito estudados nos últimos anos. Diversas técnicas foram utilizadas para a análise dessas substâncias, tais como GC-MS, GC-FID, HPLC-UV e outras. Na literatura, não há registro de análises em cromatografia gasosa para cultivares de alho e cebola brasileira. Além disso, nenhum método utilizando um sistema de detecção específico para sulfurados foi relatado. Devido a tais constatações desenvolvemos um método utilizando GCPFPD (específico para detecção de sulfurados) para análise de compostos sulfurados da espécie Allium. Foram avaliados vários procedimentos de extração, incluindo por maceração, hidrodestilação, headspace (HS) e HS-SPME, sendo que a extração por HS-SPME mostrou-se mais eficiente, considerando o numero de compostos extraídos. Para as analises qualitativas foram utilizados índices de retenção de Kovats para GC-PFPS e GC-MS e espectros de massas obtidos no GCMS. Estas técnicas mostraram-se ferramentas importante na detecção e identificação de compostos sulfurados e não sulfurados de espécies de Allium. Utilizando GC-PFPD foi possível desenvolver um método seletivo e significativamente mais sensível em relação à GC-FID E GC-MS, capaz de analisar grande número de componentes sulfurados voláteis de alho e cebola...
Allium species are rich sources of phytonutrients and are used as medicine since ancient times, useful for a variety of diseases such as coronary problems, hypercholesterolemia, type 2 diabetes, hypertension, cataracts, gastrointestinal disturbances, headache, insect bites, worms and tumors. Many of these biological effects are related to thiosulfinates, labile organic sulfur compounds typical of Allium species, which are responsible for their characteristic flavor and pungency. The volatile sulfur compounds of garlic (Allium sativum L.) and onion (Allium cepa L.) have been studied in recent years. Several techniques were used for the analysis of these compounds, such as GC-MS, GC-FID, HPLC-UV and others. Up to know, there is no report about the analyses of organic sulfur profile in different cultivars of garlic and onion grown in Brazil. Furthermore, no method using a detection system specific for sulfur compounds has been reported yet. Because of these findings, this work proposes a selective method using GC-PFPD, for analysis of organic sulfur compounds in Allium species. We evaluated several extraction procedures, including maceration, hydrodistillation, headspace (HS) and HE-SPME, and the HE-SPME extraction was more efficient, considering the number of compounds extracted. For the qualitative analysis were used Kovatz retention indices to PFPD and GC-MS and the mass spectra obtained in GC-MS. These techniques were shown to be important tools in the detection and identification of sulfur and non-sulfur compounds from Allium species. Using GC-PFPD was possible to develop a selective method and significantly more sensitive in relation to the GC-FID and GC-MS, which make possible to analyze large number of volatile sulfur components of garlic and onion. So the new proposed method using GC-PFPD for the determination of sulfur has its main advantages in the high sensitivity, excellent resolution capacity, precision and reliability.
Silva, Alexander Alves da. "Caracterização de organossulfurados em diferentes cultivares de alho (Allium sativum L.) e cebola (Allium cepa L.) /." Araraquara : [s.n.], 2009. http://hdl.handle.net/11449/97966.
Full textAbstract: Allium species are rich sources of phytonutrients and are used as medicine since ancient times, useful for a variety of diseases such as coronary problems, hypercholesterolemia, type 2 diabetes, hypertension, cataracts, gastrointestinal disturbances, headache, insect bites, worms and tumors. Many of these biological effects are related to thiosulfinates, labile organic sulfur compounds typical of Allium species, which are responsible for their characteristic flavor and pungency. The volatile sulfur compounds of garlic (Allium sativum L.) and onion (Allium cepa L.) have been studied in recent years. Several techniques were used for the analysis of these compounds, such as GC-MS, GC-FID, HPLC-UV and others. Up to know, there is no report about the analyses of organic sulfur profile in different cultivars of garlic and onion grown in Brazil. Furthermore, no method using a detection system specific for sulfur compounds has been reported yet. Because of these findings, this work proposes a selective method using GC-PFPD, for analysis of organic sulfur compounds in Allium species. We evaluated several extraction procedures, including maceration, hydrodistillation, headspace (HS) and HE-SPME, and the HE-SPME extraction was more efficient, considering the number of compounds extracted. For the qualitative analysis were used Kovatz retention indices to PFPD and GC-MS and the mass spectra obtained in GC-MS. These techniques were shown to be important tools in the detection and identification of sulfur and non-sulfur compounds from Allium species. Using GC-PFPD was possible to develop a selective method and significantly more sensitive in relation to the GC-FID and GC-MS, which make possible to analyze large number of volatile sulfur components of garlic and onion. So the new proposed method using GC-PFPD for the determination of sulfur has its main advantages in the high sensitivity, excellent resolution capacity, precision and reliability.
Orientador: Alberto José Cavalheiro
Coorientador: Mary Rosa Rodrigues de Marchi
Banca: Norberto Peporine Lopes
Banca: Marcia Ortiz Mayo Marques
Mestre
Juškevičienė, Danguolė. "Valgomojo svogūno (Allium cepa L.) ginogenezė ir homozigotinių linijų kūrimas." Doctoral thesis, Lithuanian Academic Libraries Network (LABT), 2006. http://vddb.library.lt/obj/LT-eLABa-0001:E.02~2006~D_20060210_121811-38912.
Full textMa, Fengshan. "Plasmodesmata and symplastic transport in onion (Allium cepa L.) roots." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape2/PQDD_0026/NQ51210.pdf.
Full textMokrane, Rachid. "Chronological and accelerated ageing in seeds of Allium Cepa L." Thesis, University of Salford, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.306193.
Full textSousa, Thiago Gomes de. "Controle da podridão por sclerotium rolfsii em alho (Allium sativum L.) e cebola (Allium cepa L.) por trichoderma." reponame:Repositório Institucional da UnB, 2012. http://repositorio.unb.br/handle/10482/10741.
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A podridão por esclerócio (Sclerotium rolfsii) está entre as doenças mais importantes do alho (Allium sativum) e da cebola (A. cepa). Em países de clima frio há relatos de perdas entre 10% a 65%, enquanto em países de clima tropical estas perdas podem atingir 100%. O patógeno tem uma ampla gama de hospedeiros, sendo capaz de infectar mais de 500 espécies vegetais. O fungo se propaga por estruturas de resistência, esclerócios, que podem sobreviver por vários anos no solo, além de serem facilmente levadas pela água e movimentação de pessoas e equipamentos. Alguns métodos de controle têm sido relatados contra a doença, por exemplo: o químico por meio de fungicidas (tebuconazole, thiram, procimidone), o físico com solarização (cobertura do solo com lonas e coletores solares), o cultural por meio da adição de matéria orgânica que promove o aumento da população dos microorganismos benéficos e o biológico com a inoculação de organismos antagônicos aos patógenos. Há necessidade de melhoria do manejo da doença, devido à dificuldade de controle do patógeno e o interesse ambiental de diminuição a cada dia da utilização de produtos químicos. Assim, o objetivo principal neste estudo foi avaliar produtos comerciais à base de Trichoderma no controle da podridão do alho e cebola. Primeiramente, foi avaliada a eficiência de T. harzianum comercial em relação a fungicidas (procimidona e tiofanato metílico) por teste de germinação de esclerócios (solo em caixas plásticas) em laboratório e por teste in vivo com plantas de alho em casa de vegetação. Em uma segunda parte do estudo foi avaliado a eficiência de T. harzianum e T. asperellum em campo experimental de cebola inoculado artificialmente com S. rolfsii. Em todos os trabalhos os produtos à base de Trichoderma foram superiores aos fungicidas. Nos testes in vivo com plantas de alho observou-se (a) um menor número de plantas infectadas, (b) aumento de massa seca de raiz e parte aérea em relação à testemunha com patógeno, e; (c) menor número de esclerócios capturados nos tratamentos com T. harzianum. Nos campos experimentais de cebola o tratamento Sclerotium rolfsii + T. harzianum apresentou a menor incidência, diferindo significativamente da testemunha com patógeno. No tratamento somente com T. harzianum houve o maior ganho de produtividade em relação à testemunha somente com patógeno. O tratamento com T. asperellum também reduziu a incidência da doença e induziu ganho em produtividade da cebola. ______________________________________________________________________________ ABSTRACT
The Sclerotium rot (Sclerotium rolfsii) is one of the most important diseases of garlic (Allium sativum) and onion (A. cepa). In cold climate countries losses between 10% to 65%, while in tropical countries, these losses can reach 100%. The pathogen has an extensive host range and is capable of infecting more than 500 species of plants. The fungus is spread by resistance structures, sclerotia, which can survive in soil for years, and are easily moved by wind, water and movement of people and equipment. Some methods of control have been reported against the disease, for example: the chemical by fungicides (tebuconazole, thiram, procymidone), the physical with solarization (soil covered with tarpaulins and solar panels), the culture by the addition of organic matter promoted the increase of the population of beneficial microorganisms and inoculation with biological organisms antagonistic to pathogens. There is need for improved management of the disease, due to the difficulty of controlling the pathogen and environmental interest of reduction day by day use of chemicals, thus the main objective of this study was to evaluate commercial products based on Trichoderma. First, we evaluated the efficacy of T. harzianum in relation to commercial fungicides (procymidone and thiophanate methyl) per test germination of sclerotia (soil in plastic boxes) in the laboratory and tested in vivo with garlic plants in the greenhouse. In a second part of the study was evaluated the efficacy of T. harzianum and T.asperellum onion trial field artificially inoculated with S. rolfsii. In all studies based products of Trichoderma were higher than fungicides. In vivo tests with garlic plants was observed (a) a lower number of infected plants, (b) increase in dry weight of roots and shoots compared to control with the pathogen, and (c) captured fewer sclerotia in treatments with T. harzianum. In onion trials field of treatment Sclerotium rolfsii + T. harzianum had the lowest incidence, differing significantly from the control with the pathogen. In the treatment only with T. harzianum was the largest productivity gain compared to control only with the pathogen. Treatment with T. asperellum also reduced the incidence of the disease and led to higher productivity of the onion. Key word: Allium sativum, Allium cepa, Sclerotium rolfsii, Trichoderma, biological control.
Books on the topic "Allium cepa L"
Mokrane, Rachid. Chronological and accelerated ageing in seeds of Allium Cepa L. Salford: University of Salford, 1990.
Find full textDeSouza, Darrell Carmel. The analysis of autumn-sown onion (Allium cepa L.) breeding material by the Triple Test Cross experimental design. Birmingham: University of Birmingham, 1985.
Find full textHolford, Paul. A study of the stability, cytology, and molecular genetics of the male-sterility trait in onions (Allium Cepa L). Birmingham: University of Birmingham, 1990.
Find full textMadrid, Modesto T. Onion (Allium cepa L.) cultivar tolerance to bromoxynil. 1990.
Find full textMadrid, Modesto T. Onion (Allium cepa L.) cultivar tolerance to bromoxynil. 1990.
Find full textHevia, Julio Toledo. Nonstructural carbohydrate changes during growth and storage of Florida onions (Allium cepa L.). 1985.
Find full textSilva, Erin Marie. The effect of onion (Allium cepa L.) flower characteristics on its pollination by the honey bee (Apis mellifera L.). 1998.
Find full textLin, Mau-Wei. The genetic analyses of neck-rot (Botrytis allii Munn) resistance, pungency and soluble solids content of onion (Allium cepa L.). 1989.
Find full textNdungu, Julia Njeri. Effects of mechanical injury inflicted during harvest and post-harvest operations on onion (Allium Cepa L.) seed viability and vigor. 1991.
Find full textBook chapters on the topic "Allium cepa L"
Akbar, Shahid. "Allium cepa L. (Amaryllidaceae)." In Handbook of 200 Medicinal Plants, 139–60. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-16807-0_16.
Full textPaniagua-Zambrana, Narel Y., Rainer W. Bussmann, and Carolina Romero. "Allium cepa L. Allium fistulosum L. Allium ramosum L. Allium sativum L. Amaryllidaceae." In Ethnobotany of Mountain Regions, 159–69. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-28933-1_15.
Full textPaniagua-Zambrana, Narel Y., Rainer W. Bussmann, and Carolina Romero. "Allium cepa L. Allium fistulosum L. Allium ramosum L. Allium sativum L. Amaryllidaceae." In Ethnobotany of Mountain Regions, 1–11. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-319-77093-2_15-1.
Full textRabinowitch, Haim D. "Shallot (Allium cepa L. Aggregatum Group) Breeding." In Advances in Plant Breeding Strategies: Vegetable Crops, 99–154. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-66965-2_3.
Full textKeller, E. R. Joachim, and Larissa Korzun. "Haploidy in onion (Allium cepa L.) and other Allium species." In In Vitro Haploid Production in Higher Plants, 51–75. Dordrecht: Springer Netherlands, 1996. http://dx.doi.org/10.1007/978-94-017-1858-5_4.
Full textMarinangeli, Pablo. "Micropropagation of Onion (Allium cepa L.) from Immature Inflorescences." In Methods in Molecular Biology, 319–27. Totowa, NJ: Humana Press, 2012. http://dx.doi.org/10.1007/978-1-62703-074-8_25.
Full textAlan, Ali Ramazan. "Doubled Haploid Onion (Allium cepa L.) Production Via In Vitro Gynogenesis." In Methods in Molecular Biology, 151–69. New York, NY: Springer US, 2021. http://dx.doi.org/10.1007/978-1-0716-1315-3_6.
Full textCollin, H. A., and G. Britton. "Allium cepa L. (Onion): In Vitro Culture and the Production of Flavor." In Biotechnology in Agriculture and Forestry, 23–40. Berlin, Heidelberg: Springer Berlin Heidelberg, 1993. http://dx.doi.org/10.1007/978-3-642-58062-8_2.
Full textJoshi, Srishti, Susanna C. S. Leung, John A. McCallum, and Michael T. McManus. "Comparison of Nitrite Reductase (AcNiR1) with Sulfite Reductase (AcSiR1) in Allium cepa (L.)." In Proceedings of the International Plant Sulfur Workshop, 93–97. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-20137-5_9.
Full textMartínez, L. "In vitro gynogenesis induction and doubled haploid production in onion (Allium cepa L.)." In Doubled Haploid Production in Crop Plants, 275–79. Dordrecht: Springer Netherlands, 2003. http://dx.doi.org/10.1007/978-94-017-1293-4_40.
Full textConference papers on the topic "Allium cepa L"
Kim, J. Y., J. Koo, J. H. Kim, and B. S. Kim. "Real-Time Quality Monitoring System of Onion (Allium cepa L.) Converging ICT." In 11th International Workshop Series Convergence Works. Global Vision School Publication, 2016. http://dx.doi.org/10.21742/asehl.2016.11.02.
Full textRomanov, Dmitry, Mikhail Divashuk, Ilya Kirov, and Ludmila Khrustaleva. "Cytogenetic study of onion (Allium cepa L.) by physical mapping of ESTs." In VII South-Eastern Europe Syposium on Vegetables & Potatoes. University of Maribor Press, 2017. http://dx.doi.org/10.18690/978-961-286-045-5.53.
Full textHu Jing, Mao Hanpin, Ma Wanzheng, and Han Lvhua. "Optimum parameters of preparation of Epidermal Cell Protoplasts within the Allium cepa L." In 2011 International Conference on New Technology of Agricultural Engineering (ICAE). IEEE, 2011. http://dx.doi.org/10.1109/icae.2011.5943939.
Full textPanfyorova, T. V., Ya V. Puhalsky, N. I. Vorobyov, A. P. Kozhemyakov, E. V. Ol’hovsky, I. V. Kamputin, S. I. Loskutov, A. I. Yakubovskaya, A. V. Garabadzhiu, and G. K. Ivakhnyuk. "Changing the balance of nutrients and the content of total chlorophyll in the leaves-feathers of onions (Allium cepa L), grown hydroponically on water various of physical structures with the use of the biopreparation «Agrofil»." In 2nd International Scientific Conference "Plants and Microbes: the Future of Biotechnology". PLAMIC2020 Organizing committee, 2020. http://dx.doi.org/10.28983/plamic2020.191.
Full textDjaeni, Mohamad, Ignatius Bernadi, Meilinda Putri Wijayanti, and Febiani Dwi Utari. "Drying rate of onion (Allium cepa L.) drying using air dehumidification with silica gel." In PROCEEDINGS OF 2ND INTERNATIONAL CONFERENCE ON CHEMICAL PROCESS AND PRODUCT ENGINEERING (ICCPPE) 2019. AIP Publishing, 2020. http://dx.doi.org/10.1063/1.5140911.
Full textSutikno, Noverdi Afrian, Supriadi, and Ngurah Made Dharma Putra. "Synthesis and characterization of Allium cepa L. as photosensitizer of dye-sensitized solar cell." In High-Energy Spin Physics: 8th International Symposium. American Institute of Physics, 2016. http://dx.doi.org/10.1063/1.4945494.
Full textMiron, Liliana. "CYTOGENETIC EFFECTS OF THE COMMERCIAL FUNGICIDE TOPAS 100EC ON MERISTEMATIC ROOT CELLS OF ALLIUM CEPA L." In 17th International Multidisciplinary Scientific GeoConference SGEM2017. Stef92 Technology, 2017. http://dx.doi.org/10.5593/sgem2017h/63/s25.024.
Full textGonçalves, Maria Eduarda Vilas Boas Dos Santos, Thaina Menegheti Nehme, Victória Alice Divino Dias, Sarah Cochut, and Sandro Barbosa. "TESTES DE GERMINAÇÃO EM DIFERENTES GENÓTIPOS CANDIDATOS A BIOTESTES SIMULTÂNEOS EM BIOENSAIOS DE FITOTOXICIDADE." In II Congresso Brasileiro de Biotecnologia On-line. Revista Multidisciplinar de Educação e Meio Ambiente, 2022. http://dx.doi.org/10.51189/conbiotec/36.
Full textFernando, W. M. K., R. S. W. Wijeratnam, D. M. J. B. Senanayaka, C. M. Nanayakkara, W. A. R. Dhammika, W. M. W. Weerakoon, A. M. Perera, W. M. S. D. K. Wijerathna, and D. M. K. Dissanayake. "FIRST REPORT OF BIG ONION FLOWER MOLD CAUSED BY Aspergillus niger on Allium cepa L. in SRI LANKA." In International Conference on Agriculture. The International Institute of Knowledge Management - TIIKM, 2019. http://dx.doi.org/10.17501/26827018.2018.5102.
Full textKUNZ, MILENA DESPESSIANI, Fernanda Hohmann, Suéli Picetti, Andiara Gonçalves-Tenorio, and Janaína Melati. "ANÁLISE FÍSICO-QUÍMICA E MICROBIOLÓGICA DE PICLES ELABORADOS COM CEBOLA (Allium cepa), CENOURA (Daucus carota L.), COUVE FLOR (Brassica oleracea L.) E VAGEM (Phaseolus vulgaris L.)." In Anais da V Semana Acadêmica de Engenharia de Alimentos - UFAM: A Engenharia de Alimentos no fomento das pequenas e médias indústrias alimentícias da Região Norte. Recife, Brasil: Even3, 2021. http://dx.doi.org/10.29327/153514.1-2.
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