Marcelo de Almeida Guimarães
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View article: Sources and Concentrarions of Selenium in the Micropropagation of Sweet Potato
Sources and Concentrarions of Selenium in the Micropropagation of Sweet Potato Open
This study evaluated the effects of different sources and concentrations of selenium (Se) on growth, photosynthetic pigment content, accumulation of the element, survival rate after acclimatization, and genetic stability of sweet potato se…
View article: DE WOLKMER A LUHMANN
DE WOLKMER A LUHMANN Open
O presente artigo tem como objetivo principal observar a teoria crítica do pluralismo jurídico de Wolkmer sob a lente observacional da teoria dos sistemas sociais de Luhmann. Portanto, a problematização principal do artigo é: como se obser…
View article: Arugula and jambu intercropping with controlled irrigation increases land use efficiency under semi-arid conditions
Arugula and jambu intercropping with controlled irrigation increases land use efficiency under semi-arid conditions Open
The objective of this study was to evaluate the production characteristics and the efficiency of land and water use in monoculture and intercropping of arugula with jambu under water regimes in two crop cycles in the semi-arid region of Ce…
View article: Agar concentration interferes with the biometry, photosynthetic pigment content, and anatomy of Selenicereus undatus in vitro
Agar concentration interferes with the biometry, photosynthetic pigment content, and anatomy of Selenicereus undatus in vitro Open
The micropropagation of dragon fruit (Selenicereus undatus) is an alternative method to produce vigorous plants with high phytosanitary quality. However, depending on the consistency of the growing medium (liquid, semi-solid, and solid), p…
View article: PHENOLOGY AND HARVEST POINTS OF SNAP BEAN VARIETIES RELATED TO DEGREE DAYS ACCUMULATION
PHENOLOGY AND HARVEST POINTS OF SNAP BEAN VARIETIES RELATED TO DEGREE DAYS ACCUMULATION Open
The objective of this study was to characterize the phenology and determine the harvest points of snap bean varieties related to degree-day accumulation. The experiments were conducted in the Teaching Garden of the Federal University of Ce…
View article: Salicylic and jasmonic acid attenuate the salt stress effects in lettuce
Salicylic and jasmonic acid attenuate the salt stress effects in lettuce Open
Salt stress reduces growth and change physiological and biochemical responses of plants. Salicylic acid (SA) and jasmonic acid (JA) are plant hormones involved in plant defense metabolism against abiotic stress. Therefore, the objective wa…
View article: Synthetic seeds of Acmella oleracea (Asteraceae) from micropropagated plants in different concentrations of 6-benzylaminopurine
Synthetic seeds of Acmella oleracea (Asteraceae) from micropropagated plants in different concentrations of 6-benzylaminopurine Open
Acmella oleracea , a leafy vegetable native to the Amazon region, has potential for the cosmetic, pharmaceutical and gastronomic industries. Hot environments and or low relative humidity accelerate losses of vigor and quality, making unfea…
View article: Recipientes e doses de adubo de liberação controlada na produção de rabanete em ambiente protegido
Recipientes e doses de adubo de liberação controlada na produção de rabanete em ambiente protegido Open
O cultivo do rabanete tem despertado interesse por parte dos produtores agrícolas, porém ainda é preciso o desenvolvimento e aprimoramento de práticas de manejo que possibilitem maior produção e qualidade das túberas. esse sentido, objetiv…
View article: Respostas fisiológicas da rúcula consorciada com nirá sob diferentes arranjos e épocas de cultivo
Respostas fisiológicas da rúcula consorciada com nirá sob diferentes arranjos e épocas de cultivo Open
RESUMO No consórcio entre hortaliças pouco se conhece sobre as respostas fisiológicas. Conhecer o comportamento fisiológico é fundamental para avaliar a eficiência dessas espécies. Sendo assim, objetivou-se avaliar as respostas fisiológica…
View article: Selenium: a trace element for human and vegetables
Selenium: a trace element for human and vegetables Open
Selenium (Se) is an essential micronutrient for the growth, development and metabolism of animals, including humans. It is an integral part of a set of proteins, the selenoproteins, with antioxidant action, involved in the metabolism of th…
View article: Silicon accumulation in bioenergetic sunflower germination
Silicon accumulation in bioenergetic sunflower germination Open
Silicon is considered a beneficial element for several plants, especially in crops with potential for residual biodiesel, and can provide an increase in dry matter in oilseeds. The objective of this work was to evaluate the accumulative po…
View article: Productive and physiological responses of basil to nitrogen fertilization
Productive and physiological responses of basil to nitrogen fertilization Open
The aim of this study was to evaluate productive and physiological traits of basil cv. Italiano Genovese grown in nitrogen-fertilized soil. We studied five doses of nitrogen (25, 50, 75, 100 and 125 kg ha-1), in urea form. The experimental…
View article: Isolation and characterization of gene sequences expressed in cotton fiber
Isolation and characterization of gene sequences expressed in cotton fiber Open
Cotton fiber are tubular cells which develop from the differentiation of ovule epidermis. In addition to being one of the most important natural fiber of the textile group, cotton fiber afford an excellent experimental system for studying …
View article: Physiological responses of arugula/nirá intercropping under different arrangements and growing seasons
Physiological responses of arugula/nirá intercropping under different arrangements and growing seasons Open
In intercropping between vegetable species, little is known about physiological responses. Thus, getting to know the physiological behavior of these crops is essential to define whether the species are efficient. The aim of this study was …
View article: Productive and physiological responses of basil to nitrogen fertilization
Productive and physiological responses of basil to nitrogen fertilization Open
The aim of this study was to evaluate productive and physiological traits of basil cv. Italiano Genovese grown in nitrogen-fertilized soil. We studied five doses of nitrogen (25, 50, 75, 100 and 125 kg ha-1), in urea form. The experimental…
View article: Incidence of potato green aphid and Lyriomiza sp. in radish plants grown on different levels of organic fertilizer
Incidence of potato green aphid and Lyriomiza sp. in radish plants grown on different levels of organic fertilizer Open
Radish is a short cycle horticultural product from family Brassicaceae. Between the insects found on radish leaves, potato green aphid (Myzus persicae Sulzer) is one of the main pests of this culture, causing economic damage. Synthetic fer…
View article: Competitive Ability and Physiological Aspects of Single and Intercropped Arugula (Eruca sativa Miller)
Competitive Ability and Physiological Aspects of Single and Intercropped Arugula (Eruca sativa Miller) Open
The aim of this study was to evaluate the competitive ability and physiological aspects of arugula intercropped with different aromatic condiment species. The study was carried out at the Teaching Garden of the Federal University of Ceará,…
View article: Tolerância de cultivares de pimentão (Capsicum annuum L.) à salinidade na germinação e crescimento inicial
Tolerância de cultivares de pimentão (Capsicum annuum L.) à salinidade na germinação e crescimento inicial Open
A utilização de cultivares tolerantes à salinidade é uma das estratégias para a produção de alimentos em regiões afetadas pela salinização do solo. Objetivou-se com este estudo avaliar a tolerância de cultivares de pimentão ao estresse sal…
View article: Intercropping arugula with aromatic condiment species affords better yields, biological efficiency and financial return
Intercropping arugula with aromatic condiment species affords better yields, biological efficiency and financial return Open
Intercropping affords an increase in productivity by optimising the area used, as well as maximising input use efficiency the financial return of intercroping systems was higher than that observed in the respective individual cultures. Her…
View article: Agronomic performance of arugula/nira intercropping in different cultivation arrangements
Agronomic performance of arugula/nira intercropping in different cultivation arrangements Open
Spatial planning of cultivation arrangements is essential to ensure the superiority of intercropping when compared with monocrop. Thus, the aim of this study was to evaluate the agronomic performance of arugula/nira intercropping in differ…
View article: Irrigation Depth and Carnauba (Copernicia prunifera) Straw Increase Water Use Efficiency in the Cherry Tomato in a Semi-Arid Region
Irrigation Depth and Carnauba (Copernicia prunifera) Straw Increase Water Use Efficiency in the Cherry Tomato in a Semi-Arid Region Open
This research addresses irrigation strategies for saving water, including the use of irrigation depths of 50, 75, 100, 125 and 150% of the crop evapotranspiration (ETc) and a ground cover of carnauba straw, in evaluating the response of th…
View article: Agronomic performance of arugula/nira intercropping in different cultivation arrangements
Agronomic performance of arugula/nira intercropping in different cultivation arrangements Open
Spatial planning of cultivation arrangements is essential to ensure the superiority of intercropping when compared with monocrop. Thus, the aim of this study was to evaluate the agronomic performance of arugula/nira intercropping in differ…
View article: Productive and physiological performance of lettuce cultivars under hydroponic cultivation in the semi-arid region of the Northeast
Productive and physiological performance of lettuce cultivars under hydroponic cultivation in the semi-arid region of the Northeast Open
Lettuce is the most-produced leafy vegetable in Brazil; however, to achieve satisfactory production in the different regions, it is necessary to choose the correct cultivar. The aim of this work was to evaluate the productive and physiolog…
View article: Can silicon (Si) influence growth, physiology and postharvest quality of lettuce?
Can silicon (Si) influence growth, physiology and postharvest quality of lettuce? Open
Although it is not considered an essential element for plants, silicon (Si) provides benefits for several species, especially grasses, such as increase in yield and resistance to pests and diseases, reducing the effects of salt and water s…
View article: ONDAS SONORAS TEM EFEITO POSITIVO NA GERMINAÇÃO DE SEMENTES E PRODUÇÃO DE MUDAS DE HORTALIÇAS / SOUND WAVES HAVE A POSITIVE EFFECT ON SEED GERMINATION AND SEEDLING PRODUCTION IN VEGETABLES
ONDAS SONORAS TEM EFEITO POSITIVO NA GERMINAÇÃO DE SEMENTES E PRODUÇÃO DE MUDAS DE HORTALIÇAS / SOUND WAVES HAVE A POSITIVE EFFECT ON SEED GERMINATION AND SEEDLING PRODUCTION IN VEGETABLES Open
O som é conhecido por afetar diretamente sistemas biológicos, incluindo aqueles envolvidos na germinação de sementes e desenvolvimento inicial de plantas. Seu efeito na aceleração da germinação de sementes tem sido demostrado em diversas p…
View article: Desempenho agronômico do rabanete em diferentes densidades populacionais
Desempenho agronômico do rabanete em diferentes densidades populacionais Open
View article: Paclobutrazol in the cultivation of Adenium obesum
Paclobutrazol in the cultivation of Adenium obesum Open
In floriculture, more specifically in the segment of ornamental packaged plants, Adenium obesum has gained popularity. This is due to the important role it plays in the market of ornamental plants. Although its aesthetic standardization as…
View article: Agronomic Preliminary Performance of Two Radish Cultivars Intercropped With Coriander
Agronomic Preliminary Performance of Two Radish Cultivars Intercropped With Coriander Open
Characterised as a traditional technique for the production of food and biomass, intercropping is a practice mainly used by small rural producers. In general, the practice has sought to maximise the use of environmental resources in an are…
View article: Intercropping of collard green and radish ‘Cometo’: spatial arrangement and growing efficiency
Intercropping of collard green and radish ‘Cometo’: spatial arrangement and growing efficiency Open
Intercropping is a method of growing plants that assists in rational use of natural resources. Based on this concept, the aim of this study was to evaluate the response of collard green and radish ‘Cometo’ crops in monoculture and in inter…
View article: Tomato grafting on rootstock of Jilo, Cocona and Jurubeba
Tomato grafting on rootstock of Jilo, Cocona and Jurubeba Open
Grafting has been considered an important tool to produce tomato in adverse environments. Therefore, the aim of this study was to develop grafting protocols for tomato on rootstocks of Jilo, Cocona and Jurubeba. The work was carried out in…