Warley Marcos Nascimento

ORCID: 0000-0002-6235-0917
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Research Areas
  • Seed Germination and Physiology
  • Growth and nutrition in plants
  • Soil Management and Crop Yield
  • Plant tissue culture and regeneration
  • Genetic and Environmental Crop Studies
  • Agricultural pest management studies
  • Soybean genetics and cultivation
  • Agronomic Practices and Intercropping Systems
  • Magnetic and Electromagnetic Effects
  • Banana Cultivation and Research
  • Agricultural Practices and Plant Genetics
  • Agricultural and Food Sciences
  • Advances in Cucurbitaceae Research
  • Plant Genetic and Mutation Studies
  • Weed Control and Herbicide Applications
  • Legume Nitrogen Fixing Symbiosis
  • Leaf Properties and Growth Measurement
  • Nematode management and characterization studies
  • Seed and Plant Biochemistry
  • Genetics and Plant Breeding
  • Botanical Research and Chemistry
  • Potato Plant Research
  • Plant Disease Resistance and Genetics
  • Agricultural Science and Fertilization
  • Rural Development and Agriculture

Brazilian Agricultural Research Corporation
2015-2024

Horta (Italy)
2011-2021

ORCID
2021

Governo do Distrito Federal
2021

Universidade de Brasília
2021

Fundação de Estudos Agrários Luiz de Queiroz
2019

Universidade de São Paulo
2019

Instituto Nacional de Investigación Agropecuaria
2010

Important factors affecting seed priming have not been extensively reported in muskmelon (Cucumis melo L.) studies. The optimization of the technique becomes very important at commercial scale. Little information has on seedling development subsequent to priming. Seeds were primed darkness 25°C different solutions and three osmotic potentials. also with without aeration during periods. In relation solutions, an potential around -1.30 MPa is most adequate for Salt gave better germination rate...

10.1590/s0103-90162003000100011 article EN cc-by Scientia Agricola 2003-02-01

A number of important factors may affect seed priming response, including quality. Effects vigor on response were investigated using lots two muskmelon (Cucumis melo L.) cultivars. Seeds muskmelon, cvs. Mission and Top Net SR artificially aged at 43°C for 0, 20 40 hours. primed six days in darkness 25°C KNO3 (0.35 mol L-1) aerated solution. Aged seeds germinated poorly 17°C. Priming increased germination rate 17 percentage An interaction effect performance between was observed, especially...

10.1590/s0103-90162004000100019 article EN Scientia Agricola 2004-02-01

Baixas temperaturas por ocasião do plantio podem atrasar ou inibir a germinação das sementes de várias espécies hortaliças, incluindo berinjela, melancia, melão e tomate. O condicionamento osmótico tem sido utilizado com o objetivo acelerar uniformizar emergência plântulas em campo, especialmente condições adversas. Sementes berinjela 'Ciça', melancia 'Crimson Sweet', 'Top Net SR' tomate 'Heinz 9425' foram osmoticamente condicionadas. A metodologia utilizada no foi dependente da espécie,...

10.1590/s0102-05362005000200010 article PT Horticultura Brasileira 2005-06-01

ABSTRACT The adequate time for carrot seed harvest influences its physiological quality. objective of this study was to evaluate physiological, anatomical and histochemical changes in seeds harvested at different stages development establish the most appropriate time. Secondary umbels were 14, 21, 28, 35, 42, 49, 56 63 days after anthesis (DAA). For characterization, sections stained with Toluidine blue stain, Xylidine Ponceau, Lugol’s iodine, Sudan Black B submitted polarized light. Seed...

10.1590/1413-70542017412009216 article EN cc-by Ciência e Agrotecnologia 2017-04-01

O grão-de-bico (Cicer arietinum L.) é uma leguminosa de grande importância, sobretudo para a saúde, sendo fonte proteínas, carboidratos, minerais, vitaminas e fibras. Suas sementes podem apresentar diferenças na variabilidade dimensional, importante padronização por tamanho, com o intuito facilitar operação semeadura permitir obtenção população plantas capaz propiciar os melhores rendimentos área. Objetivou-se presente trabalho estudar efeito do tamanho das grão-de-bico, cultivar BRS Cicero,...

10.55905/revconv.18n.1-217 article PT cc-by-nc Contribuciones a las Ciencias Sociales 2025-01-16

High temperatures during lettuce seed imbibition can delay or completely inhibit germination and the endosperm layer appears to restrict radicle protrusion. The role of endo-beta-mannanase at 35°C influence ethylene in regulation were investigated. Seeds 'Dark Green Boston' (DGB) 'Everglades' (EVE) germinated water, 10 mmol L-1 1-aminocyclopropane-1-carboxylic acid (ACC), aminoethoxyvinylglycine (AVG), 20 silver thiosulphate (STS). also primed polyethylene glycol (PEG), PEG + ACC, AVG, STS....

10.1590/s0103-90162004000200006 article EN cc-by Scientia Agricola 2004-04-01

Several factors may influence carrot (Daucus carota L.) crop establishment. High temperatures (35 - 40°C), for instance, delay or inhibit seed germination in the field and so compromise stand Carrot seeds from superior umbel orders usually have better physiological quality than those of lower orders. These also show a performance adverse conditions. In addition, different ages differences vigor, which affect establishment, mainly under The aim this study was to verify at high vigor...

10.1590/s0103-90162008000200006 article EN cc-by Scientia Agricola 2008-04-01

The objective of this work was to establish the temperature and period exposure needed perform traditional accelerated ageing test with saturated NaCl salt solution on chickpea seeds. Eight seed lots from two cultivars, including four seeds each, were subjected germination vigour tests for initial characterization. Following methodology test. placed stainless steel screens in boxes 40 mL deionized water. They kept at 41 45º Celsius 24 48 hours. Furthermore, using [40 g 100 water, thus...

10.21475/ajcs.20.14.02.p1957 article EN Australian Journal of Crop Science 2020-02-20

O presente trabalho teve como objetivo verificar a eficiência do teste de envelhecimento acelerado para avaliar o vigor sementes lentilha. Para tanto, utilizaram-se quatro lotes lentilha, cultivar Silvina. A qualidade inicial cada lote foi avaliada pela determinação grau umidade, germinação, primeira contagem velocidade emissão da raiz primária e emergência plântulas em campo. conduzido 41°C durante 24, 48 72 horas, com sem uso solução saturada NaCl. experimento delineamento inteiramente...

10.1590/s0101-31222006000300009 article PT Revista Brasileira de Sementes 2006-12-01

Abstract: The seed physiological potential has been directly related to normal formation process under morphological, structural and functional point of view. objective this study was evaluate the internal morphology ‘BRS Nagai’ tomato hybrid seeds at different stages development maturation, through X-ray image analysis relate results with germination vigor. Seeds were extracted from fruits harvested 30, 40, 50, 60 70 days after pollination (DAP). Subsequently, x-rayed their images analyzed...

10.1590/2317-1545v41n1191888 article EN cc-by Journal of Seed Science 2019-01-01

Em decorrência do desenvolvimento de cultivares tolerantes ao calor e com resistência às principais doenças folhagem, o cultivo cenoura vem expandindo-se também para outras regiões, como Norte Nordeste. Altas temperaturas por ocasião da semeadura podem reduzir a germinação sementes comprometer estabelecimento cultura. Avaliou-se efeito altas na no vigor diversas comercializadas Brasil bem em progênies meio-irmãos uma polulação 'Brasília'. Sementes cv. Brasília foram colocadas germinar...

10.1590/s0102-05362007000200017 article PT Horticultura Brasileira 2007-06-01

A avaliação rotineira da qualidade fisiológica de sementes tem sido baseada no teste germinação. Os testes vigor podem estimar mais detalhadamente o desempenho lotes em campo (semeadura direta) ou casa vegetação (produção mudas). Cinco alface ‘Everglades’ foram testados com objetivo estudar a eficiência alguns para das e estabelecimento relações germinação sob temperaturas adversas. As submetidas aos (20°C), primeira contagem germinação, envelhecimento acelerado (41°C/48 h), comprimento raiz...

10.1590/s0101-31222007000300021 article PT Revista Brasileira de Sementes 2007-01-01

A polinização constitui um processo fundamental para a perpetuação de várias espécies vegetais, e o desenvolvimento dos frutos das sementes está diretamente relacionado com flores. Dessa forma, objetivo deste trabalho foi verificar influência agentes polinizadores na produção qualidade cenoura pimenta doce em sistema cultivo protegido. No ensaio utilizaram-se, telados, os tratamentos as abelhas Arapuá (Trigona spinipes), Jataí (Tetragonisca angustula), Tibuna (Nannotrigona (Scaptotrigona)...

10.1590/s0102-05362012000300023 article PT Horticultura Brasileira 2012-09-01

Abstract: Quick tests are essential tools to evaluate seed quality. The objective of this study was adapt the methodology tetrazolium test, by identifying most suitable pre-conditioning parameters imbibition temperature and duration, solution concentrations, in order assess physiological quality chickpea seeds. Also, work proposed separation lots classes, according viability vigor Three chickpeas (lot 1 - BRS Aleppo C1, lot 2 basic, 3 Cicero) were evaluated. They analyzed three combinations...

10.1590/2317-1545v41n1187777 article EN cc-by Journal of Seed Science 2019-01-01

This study evaluated the productive performance, physiological and sanitary quality of 'BRS Cícero' chickpea cultivar seeds at two sites in municipality Montes Claros, MG, different planting times under irrigated system. The production characteristics were: plant height weight, harvest index, weight per 100 productivity. germination, first germination count speed index were used to evaluate seeds, freezing filter paper test, their quality. São Roberto was more favorable for development...

10.5039/agraria.v12i3a5445 article EN cc-by-nc Revista Brasileira de Ciências Agrárias - Brazilian Journal of Agricultural Sciences 2017-09-27

Abstract: Several factors affect the electrical conductivity test efficiency, with emphasis given to initial water content and temperature during imbibition. This study aimed evaluate effect of pea seeds on efficiency. Six lots ‘Mikado’ were used, which previously tested for characterization. In first trial, based value samples, seed moisture was adjusted 9, 11, 13 15% then submitted test. second imbibition kept 24 hours at 10, 15, 20, 25 30 ºC, after that time added soaked other...

10.1590/2317-1545v39n4181021 article EN cc-by Journal of Seed Science 2017-12-01

Altas temperaturas durante a embebição das sementes de alface podem inibir germinação. Vários métodos para reduzir o problema da termoinibição e, ou termodormência têm sido propostos, incluindo utilização germoplasmas tolerantes, ajuste do ambiente produção sementes, reguladores crescimento e condicionamento osmótico sementes. Nestas metodologias, mecanismo ação parece estar relacionado com "enfraquecimento" ("amolecimento") endosperma, que possibilitará embrião sob altas temperaturas. O...

10.1590/s0102-05362002000100020 article PT Horticultura Brasileira 2002-03-01

'Brasileirinha' é uma cultivar de abóbora (Cucurbita moschata) com frutos bicolores que foi desenvolvida o objetivo disponibilizar um produto diferenciado devido ao aspecto ornamental e a composição nutricional seus frutos. Esta selecionada na geração F7, sendo obtida via cruzamentos convencionais entre acesso bicolores, provavelmente à presença alelo do gene B, Mocinha (com imaturos cor verde uniforme). A característica peculiar da Brasileirinha produção casca apresentando marcante...

10.1590/s0102-05362007000100020 article PT Horticultura Brasileira 2007-03-01

'BRS Tospodoro' is a high lycopene tomato cultivar, which combines multiple disease resistance genes and desirable processing traits. This cultivar was found to be suitable for both conventional organic crop systems. obtained via backcross breeding using 'Viradoro' as recurrent parent the inbred line 'CNPH 1306' donor of Pto gene (resistance Pseudomonas syringae pv. race 0). has Mi1-2 that controls root-knot nematodes (Meloidogyne incognita, M. javanica, arenaria) well tolerance populations...

10.1590/s0102-05362010000200019 article EN Horticultura Brasileira 2010-06-01

Abstract: The objective of this study was to evaluate the production, and physical physiological quality ‘BRS Aleppo’ chickpea seeds in city Montes Claros, Minas Gerais State, their ideal harvest point. A randomized complete block design used, a 3x5 factorial arrangement, with three sowing periods (May 12th, June 23rd July 22nd 2015) five seasons (100, 107, 114, 121 128 days after sowing) seven replications. following productive parameters were determined: number seeds, empty pods,...

10.1590/2317-1545v40n2185719 article EN cc-by Journal of Seed Science 2018-06-01

Abstract: The chickpea crop has been expanding in Brazil and, thus, the demand for high quality seeds along with it. aim of this study was to adapt methodology evaluation seed vigor by accelerated aging test and analyze whether antioxidant enzyme activity is related physiological potential these seeds. Seeds from five lots cv. BRS Aleppo four Cícero were initially tested characterize their potential. conducted traditional method (100% RH) a saturated NaCl solution (76% RH), both at 41 °C,...

10.1590/2317-1545v43253934 article EN Journal of Seed Science 2021-01-01

Este trabalho teve por objetivos avaliar a qualidade física e fisiológica de sementes coentro (Coriandrum sativum) colhidas manual mecanicamente, bem como sanitária das inteiras partidas, armazenadas em diferentes embalagens condições ambiente. Sementes cultivar Verdão foram mecanicamente. Depois do beneficiamento, foi determinada porcentagem pureza, as separadas (diaquênios) partidas (aquênios). As acondicionadas semipermeáveis impermeáveis durante 12 meses ambientais câmara fria (10ºC, 45%...

10.1590/s0100-204x2006001200015 article PT cc-by Pesquisa Agropecuária Brasileira 2006-12-01

A produção de ervilha no Brasil vem utilizando sementes produzidas próprio país. O presente trabalho teve como objetivo verificar a eficiência do teste envelhecimento acelerado para avaliar o vigor ervilha. Foram utilizados dez lotes ervilha, sendo cinco da cultivar Axé (sementes rugosas, indicada grãos verdes) e Mikado lisas, secos). Para qualidade fisiológica inicial dos foram os testes germinação, primeira contagem emergência plântulas em campo. Determinou-se também teor água das...

10.1590/s0102-05362007000200015 article PT Horticultura Brasileira 2007-06-01
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