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Helber Veras Nunes

Publications (13)

Effect of the Storage Period on the Physiological Quality of Cagaita Seeds (Eugenia dysenterica DC.)

Helber Veras Nunes, Daniella Inácio Barros, Liomar Borges De Oliveira, Mariana Senna Quirino, Simone Pereira Teles, Paulo Victor Gomes Sales, Ricardo Alencar Libório, Evandro Alves Ribeiro, Kaio Cesar Lima Vale, Calebe Oliveira Crispim da Silva, Pillar Barros Veras & Bruno Henrique Di Napoli Nunes · Journal of Agriculture and Ecology Research International · 2022

Cagaita seeds quickly lose their germination power when stored in the natural environmental conditions of the Cerrado. Like most native Cerrado species, data on more favorable seed viability conservation conditions are still quite scarce. The experiment was carried out in the gre...

Open access Research Article 10.9734/jaeri/2022/v23i630240

Vigor and Viability of Cagaita (Eugenia dysenterica DC.) Seeds Subjected to Different Substrates

Helber Veras Nunes, Daniella Inácio Barros, João Pedro Pereira dos Santos, Kaio Rodrigues dos Santos de Oliveira, Bruna Azevedo Barbosa, Bruno Henrique Di Napoli Nunes, Rayane Ferreira Noleto, Ghustavo Higor Alves Costa, Charles Pires Miranda, Kaio Cesar Lima Vale & Liomar Borges De Oliveira · European Journal of Medicinal Plants · 2020

Cagaita originates from the Brazilian Cerrado and belongs to the Myrtaceae family. It is a fruit tree and widely disseminated in the Brazilian Cerrado, and can reach up to 10 meters high. To obtain quality seedlings it is necessary to use substrates that have physical and chemica...

Open access Research Article 10.9734/ejmp/2020/v31i1030281

Methods of Seed Extraction by Tamarind (Tamarindus indica)

Daniella Inácio Barros, Helber Veras Nunes, Emanuella Pereira Dos Santos, Liomar Borges De Oliveira, Simone Pereira Teles, Mariana Senna Quirino, Ricardo Alencar Libório, Paulo Victor Gomes Sales, Evandro Alves Ribeiro, Luis Fernando Pereira De Sá, Indira Rayane Pires Cardeal & Bruno Henrique Di Napoli Nunes · Journal of Agriculture and Ecology Research International · 2022

Tamarind has a good nutritional composition, presenting good values of proteins, carbohydrates, dietary fibers, calcium, and low lipid and cholesterol content. The germination pattern of tamarind seeds is like that of other legume species, in which the hard integument interferes...

Open access Research Article 10.9734/jaeri/2022/v23i630241

Viability and Vigor of Pitomba Seeds (Talisia esculenta (St. Hil) Radlk) in two Stages of Maturation in the Different Substrates

Daniella Inácio Barros, Helber Veras Nunes, Mariana Senna Quirino, Liomar Borges De Oliveira, Pillar Barros Veras, Ricardo Alencar Libório, Paulo Victor Gomes Sales, Evandro Alves Ribeiro, Kaio Cesar Lima Vale & Bruno Henrique Di Napoli Nunes · Journal of Scientific Research and Reports · 2022

The socio-economic importance of pitomba fruits in the North and Northeast regions is a concrete fact, however, the commercialized fruits are still acquired from extractivism and  cultivation in backyards without any use of technology aimed at their production. The experiment was...

Open access Research Article 10.9734/jsrr/2022/v28i330503

Viability and Vigor of White Guava (Psidium guajava L.) Seeds in Different Stages of Maturation

Daniella Inácio Barros, Helber Veras Nunes, Nycolle Alves dos Santos, Mariana Senna Quirino, Liomar Borges De Oliveira, Pillar Barros Veras, Ricardo Alencar Libório, Paulo Victor Gomes Sales, Evandro Alves Ribeiro & Bruno Henrique Di Napoli Nunes · Journal of Scientific Research and Reports · 2022

The white Guava (Psidium guajava L.) is a native fruit tree belonging to the family Myrtaceae, which has a lot of rusticity, adapting to various edaphoclimatic conditions. White Guava is a fruit native to tropical America and the most cultivated species of the Myrtaceae family. I...

Open access Research Article 10.9734/jsrr/2022/v28i330504

Viability and Vigor of Bacaba Seed (Oenocarpus bacaba) in Different Substrates

Daniella Inácio Barros, Helber Veras Nunes, Camila Torres da Silva, Bruno Henrique Di Napoli Nunes, Rodrigo Silva de Oliveira, Laysla Soares de Souza Lima, Calebe Oliveira Crispim da Silva, Ariadyla Fernanda Paixão dos Reis, Lorrany Fernandes Carvalho, Mayck Alexsander Lima Cavalcante, David Martins de Sena & Felix Antônio Coelho de Andrade · European Journal of Medicinal Plants · 2020

The Bacaba (Oenocarpus bacaba) belongs to the Arecaceae family, is a palm tree native to the Amazon, in which it is distributed throughout the Amazon basin, mainly in the regions of Pará, Tocantins, Acre, and in southern Maranhão, having as habitat the high virgin forest. The pro...

Open access Research Article 10.9734/ejmp/2020/v31i1630330

Vigor of Java Plum Seedlings, in the Presence and Absence of Mucilage Submitted to Different Substrates

Joaquim Pereira Carvalho, Helber Veras Nunes, Daniella Inácio Barros, Evandro Alves Ribeiro, João Henrique da Silva Luz, Layssa Gabrielly Barbosa Garcia Ramos, Paulo Victor Gomes Sales, Ricardo Alencar Libório & Bruno Henrique Di Napoli Nunes · European Journal of Medicinal Plants · 2020

Java plum (Syzygium cumini L. Skeels) originates from Asia and has adapted very well to soil conditions and climate in Brazil, becoming spontaneous in the Northeast region. Still, there is no large commercial production in the country, since information related to planting, plant...

Open access Research Article 10.9734/ejmp/2020/v31i230216

Overcoming Seed Dormancy of Enterolobium contortisiliquum (Vell.) Morong

Manuel Tomaz Ataíde Júnior, Daniella Inácio Barros, Helber Veras Nunes, Higor Ângelo de Abreu, Liomar Borges De Oliveira, Paulo Victor Gomes Sales, Mariana Senna Quirino, Jossimara Ferreira Damascena, Lorrayne Martins da Silva, Lara Alves Valério da Silva, Geovana Bispo de Araújo, André Ferreira Dos Santos & Evandro Alves Ribeiro · Journal of Scientific Research and Reports · 2022

The use of new methods may facilitate the production of seedlings for reforestation since the seed market is scarce and seedlings take time to be produced. The Earpod tree is a native species that can be used for the floristic recomposition of the biome and  with the possibility...

Open access Research Article 10.9734/jsrr/2022/v28i630523

Quality of Guava Seed (Psidium guajava L.) White and Red Varieties on Different Substrates

Calebe Oliveira Crispim da Silva, Daniella Inácio Barros, Helber Veras Nunes, Bruno Henrique Di Napoli Nunes, João Lucas Aires Dias, Vitória Alves Cavalcante, Higor Silva Rezende, Igor Fayder de Souza e Silva, Dhenys Miller Jorge de Souza & Victor Hugo Silva Rezende · European Journal of Medicinal Plants · 2020

The guava tree is the fruit of the guava tree of the species Psidium guajava L. belonging to the family of Myrtaceae a rustic fruit and adapts to the most varied types of soils. It is a fleshy fruit, thin-skinned, green, or when mature yellowish and very rich in soluble fibers. S...

Open access Research Article 10.9734/ejmp/2019/v30i430183

Nematodes, a Problem for Soybean Crops in the Brazilian Cerrado

Manuel Tomaz Ataíde Júnior, André Ferreira Dos Santos, Daniella Inácio Barros, Mariana Senna Quirino, Helber Veras Nunes, Paulo Victor Gomes Sales, Liomar Borges De Oliveira, Olavo da Costa Leite, Flávia Barreira Gonçalves, Amanda da Silva Reis, Kaio Cesar Lima Vale, Jackeline Ribeiro Pinto, Elisania Coelho de Aguiar & Bruno Henrique Di Napoli Nunes · Journal of Scientific Research and Reports · 2022

Nematodes can damage and cause significant suppression in soybean productivity (Glycine max) directly because of their migration and feeding activities, or indirectly as partners in disease complexes with other organisms. Several cultural practices have been investigated as possi...

Open access Research Article 10.9734/jsrr/2022/v28i630522

Obtaining Java Plum Seedlings (Syzygium cumini) through Different Seed Extraction and Cleaning Methods

Breno Alves Rodrigues, Maryana Silva Zielinski, Lucas Eduardo Morais Brito, Daniella Inácio Barros, Helber Veras Nunes, Bruno Henrique Di Napoli Nunes, Hingrid Rodrigues Martins Aguiar, Evandro Alves Ribeiro, Paulo Victor Gomes Sales & Ricardo Alencar Libório · European Journal of Medicinal Plants · 2020

Java plum (Syzygium cumini) belonging to the botanical family Myrtaceae, which also includes species of other tropical fruits widely consumed in Brazil, such as guava (Psidium guajava L.) and surinam cherry (Eugenia uniflora L.). The production of quality seedlings depends on sev...

Open access Research Article 10.9734/ejmp/2020/v31i630247

Viability and Vigor in Jackfruit Seed (Artocarpusheterophyllus) Subjected to Different Substrates

Igor Eduardo Martins Borges, Indira Rayane Pires Cardeal, Jennifer Monique Martins de Abreu, Daniella Inácio Barros, Helber Veras Nunes, Bruno Henrique Di Napoli Nunes, Evandro Alves Ribeiro, Juliana Lopes dos Santos & Liomar Borges De Oliveira · European Journal of Medicinal Plants · 2020

The use of substrates is a good option and should present some important characteristics, such as availability of acquisition and transportation, absence of pathogens, richness in essential nutrients, suitable pH, texture and structure. However, each species exhibits different be...

Open access Research Article 10.9734/ejmp/2020/v31i630243

Morphological and Productive Evaluation of Mombasa Grass as a Function of Phosphate, Nitrogen and Biostimulant Application

Bruno Henrique Di Napoli Nunes, Igor Ricardo Barbosa Teixeira, César Henrique Borges Gomes, Daniella Inácio Barros, Mariana Senna Quirino, Helber Veras Nunes, Ricardo Alencar Libório, Paulo Victor Gomes Sales, Liomar Borges De Oliveira, Luis Fernando Pereira De Sá, Caíque Rodrigues Alves, Geovana Rodrigues Barbosa & Fred Wallison Gomes Ribeiro · Journal of Scientific Research and Reports · 2022

Nitrogen when applied to the surface, suffers losses by volatilization. Therefore, one of the ways to reduce this loss is to use substances that delay the hydrolysis of NH3. The objective of this study was to evaluate the physiological characteristics of Mombasa grass as a functi...

Open access Research Article 10.9734/jsrr/2022/v28i530517