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Content of Photosynthetic Pigments and Leaf Gas Exchanges of Young Coffee Plants under Light Restriction and Treated with Paclobutrazol

André Felipe Fialho Ribeiro, Sylvana Naomi Matsumoto, Luanna Fernandes Pereira, Ueliton Soares de Oliveira, Ednilson Carvalho Teixeira & Paula Acácia Silva Ramos · Journal of Experimental Agriculture International · 2019

The use of shading and paclobutrazol in coffee plants can be an important cultivation strategy to mitigate the negative effects of high solar radiation and atmospheric temperature. Therefore, the levels of photosynthetic pigments and foliar gas exchanges of young coffee plants su...

Open access Research Article 10.9734/jeai/2019/v32i630128

Chemical Composition and Nutritive Value during Grain Development of Three Varieties of Maize

Ajakaye Adeola Sekunola, Ajewole Tolulope Olumide, Ayesa Abayomi Samuel, Olu Faith Omolade & Oni Ayodeji Christopher · Journal of Experimental Agriculture International · 2019

Two improved varieties of maize (OBA SUPER II and SWAN) and one local variety were grown in the University of Ado Ekiti during the early cropping season of year 2016 to study the changes in their chemical and nutritional quality as the maize kernel develops. The chemical composit...

Open access Research Article 10.9734/jeai/2019/v32i630124

Evaluation of Mango Peel Extracts on the in vitro Colletotrichum gloeosporioides Development

Luana Sabrine Silva, Edson Hiydu Mizobutsi, Gisele Polete Mizobutsi, Denilson Ferreira de Oliveira, Viviane Aparecida Costa Campos, Flávio Pinto Monção, Regina Cássia Ferreira Ribeiro, Marcos Paz Saraiva Câmara & Maria Luisa Mendes Rodrigues · Journal of Experimental Agriculture International · 2019

Aims: To evaluate the in vitro effect of mango peel extracts using different types of solvent and concentrations on the Colletotrichum gloeosporioides development. Study Design: Activities were aimed at evaluating the in vitro antifungal potential of mango peel extracts. Study Lo...

Open access Research Article 10.9734/jeai/2019/v32i630123

Different Sources and Concentrations of 6-BA in Chemical Thinning of Post-flowering in Apple Trees

Gentil Carneiro Gabardo, José Luiz Petri, Aike Anneliese Kretzchmar, Mariuccia Schlichting De Martin, André Amarildo Sezerino & Willian Coser · Journal of Experimental Agriculture International · 2019

Aims: Evaluate the efficiency of sources and dosages of 6-benzyladenine in the chemical thinning of the apple tree ‘Fuji Suprema’, as well as possible histological changes in the fruits produced, in the Midwestern region of the state of Santa Catarina. Study Design: The experimen...

Open access Research Article 10.9734/jeai/2019/v32i630121

Effect of Preharvest Application of Silicon and Saline Water on Postharvest Quality of Beet (Beta vulgaris L.)

José Sebastião de Melo Filho, Toshik Iarley da Silva, Ygor Henrique Leal, Ana Gabriela Sousa Basilio, Mário Leno Martins Véras & Thiago Jardelino Dias · Journal of Experimental Agriculture International · 2019

Beet is one of the vegetables richest in nutrient (bioactive compounds, folic acid and potassium). However, there are few studies on postharvest quality from the crop under irrigation conditions with saline waters, and because of that, the objective of this study was to evaluate...

Open access Research Article 10.9734/jeai/2019/v32i630122

Evaluation of a Low-cost Camera for Agricultural Applications

Abdon Francisco Aureliano Netto, Rodrigo Nogueira Martins, Guilherme Silverio Aquino de Souza, Fernando Ferreira Lima dos Santos & Jorge Tadeu Fim Rosas · Journal of Experimental Agriculture International · 2019

This study aimed to modify a webcam by replacing its near-infrared (NIR) blocking filter to a low-cost red, green and blue (RGB) filter for obtaining NIR images and to evaluate its performance in two agricultural applications. First, the sensitivity of the webcam to differentiate...

Open access Research Article 10.9734/jeai/2019/v32i530117

Effect of Indolebutyric Acid Immersion Period on the Rhizogenic Process of Guava Cuttings (Psidium guajava L.) Cultivar Século XXI

Jussara Cristina Firmino da Costa, Rejane Maria Nunes Mendonça, Gerciane Cabral da Silva, Silvanda de Melo Silva, Walter Esfrain Pereira & Carlos Eduardo Magalhães dos Santos · Journal of Experimental Agriculture International · 2019

In the rhizogenic process, the immersion time of the base of the cuttings to be propagated in plant regulators depends on the concentration of the solutions, the cultivar to be used and the type of cutting required. Therefore, this research work has as objective to investigate wh...

Open access Research Article 10.9734/jeai/2019/v32i530120

Development and Gas Exchange of Pre-sprouted Sugarcane Seedlings in Three Different Growing Substrate Media

Hanna Ibiapina de Jesus, Maria Luiza de Souza Medeiros, Maria de Fátima de Queiroz Lopes, Bruno de Souza Oliveira, Galileu Medeiros da Silva & Fábio Mielezrski · Journal of Experimental Agriculture International · 2019

Objective: Evaluate the development and gas exchange of pre-sprouted sugarcane seedlings in different substrates. Study Design: A randomized complete block design was used with two genotypes, three types of substrate (2 x 3), four replicates and five plants per replicate, totalin...

Open access Research Article 10.9734/jeai/2019/v32i430114

Path Analysis in Cowpea Reveals Protein Accumulation Dependency of Mineral Nutrients Accumulation

Francisco Cleilson Lopes Costa, Marlenildo Ferreira Melo & Ana Raquel de Oliveira Mano · Journal of Experimental Agriculture International · 2019

This work aimed at evaluating the effects of the nutrients on the protein content of cowpea grains. The trial was carried out in completely randomized design, in the Instituto Federal do Ceará (Federal Institute of Ceará), Limoeiro do Norte, Ceará State, Brazil, between October a...

Open access Research Article 10.9734/jeai/2019/v32i530113

The Role of Ethylene on Banana Fruit Ripening Via Sugar and Starch Metabolism

Sarah Nadja Araújo Fonseca, Willian Batista-Silva, Edson Hiydu Mizobutsi, Gláucia Michelle Cosme Silva, Juceliandy Mendes da Silva Pinheiro, Mariana Oliveira de Jesus & Gisele Polete Mizobutsi · Journal of Experimental Agriculture International · 2019

Banana as a climacteric fruit has a relatively short shelf-life period and thus, technologies that decrease the metabolism and the triggering of the maturation process are extremely necessary on its postharvest conservation. However, the consequences of these technologies on qual...

Open access Research Article 10.9734/jeai/2019/v32i530115

Overcoming Dormancy and Influence of Light on the Physiological Quality of Senna cana (Fabaceae) Seeds

Jordânia X. Medeiros, Ana L. P. Feliciano, Valderez P. Matos, Girlânio H. Silva, Yana S. Lopes, Rinaldo L. C. Ferreira & Rejane R. C. Carvalho · Journal of Experimental Agriculture International · 2019

Environmental factors affect the germination process, like the presence of seed coat and the quality of light; these informations are still scarce for many native species from Brazil, especially for Senna cana, which there are no adequate standards and methodologies to be used in...

Open access Research Article 10.9734/jeai/2019/v32i530116

Development of Pumpkin Young Plants Receiving Dosages of Phosphorus from Different Sources

Tayssa Menezes Franco, Marcos Vinicius Reis de Oliveira Junior, José Darlon Nascimento Alves, Wendel Kaian Oliveira Moreira, Juciley Lima de Souza, Marcus José Alves de Lima, Emerson Carneiro Galvão & Heráclito Eugênio Oliveira da Conceição · Journal of Experimental Agriculture International · 2019

Aims: The research aimed to analyze the effect of five different dosages and three sources of phosphorus on the growth and development of young plants of pumpkins (Cucurbita moschata), cultivar Jacarezinho. Study Design: The experimental design utilized was the completely randomi...

Open access Research Article 10.9734/jeai/2019/v32i430110

Influence of Post-Flowering Chemical Thinning on Development and Fruit Quality of 'Fuji Suprema' and 'Maxigala' Apple Trees

Gentil Carneiro Gabardo, Aike Anneliese Kretzchmar, José Luiz Petri, Mariuccia Schlichting De Martin, André Amarildo Sezerino & Edson Blattmann · Journal of Experimental Agriculture International · 2019

Aims: Evaluate possible alterations in the development, anatomy and quality of fruits from 'Maxi Gala' and 'Fuji Suprema' apple plants treated with Metamitrom (MM) and Benzyladenine (BA) alone or in combination, applied at different stages of fruit development in the Midwestern r...

Open access Research Article 10.9734/jeai/2019/v32i430107

Modified Atmosphere and Refrigeration in Postharvest Conservation of Atemoya cv. Gefner

Maryelle Cristina Souza Aguiar, Gisele Polete Mizobutsi, Raquel Rodrigues Soares Sobral, Juceliandy Mendes da Silva Pinheiro, Joelma Carvalho Martins, Irani Pereira dos Santos, Érika Endo Alves, Edson Hiydu Mizobutsi, Ignacio Aspiazú & Wagner Ferreira da Mota · Journal of Experimental Agriculture International · 2019

Aims: The objective of this study was to evaluate the effect of the modified atmosphere under refrigeration for 28 days in the Atemoya Gefner. Study Design: Experiment 1 and 2 was installed in a completely randomized design, in a factorial 1x4 and 2x8, respectively. Place and Dur...

Open access Research Article 10.9734/jeai/2019/v32i430108

Agronomic Performance of New Potato Genotypes Submitted to Increasing Doses of NPK

Keli Cristina dos Santos, Gentil Carneiro Gabardo, Jackson Kawakami, Aline Genú, Sara Passos & Rafael Hermenegildo Contini · Journal of Experimental Agriculture International · 2019

Aims: Estimate the morphological characteristics of potato genotypes grown with different doses of NPK fertilizer 4-14-8. Study Design: The experiment was conducted in randomized blocks with subdivided plots and three replicates. Place and Duration of Study: The experiment was ca...

Open access Research Article 10.9734/jeai/2019/v32i430109