12 articles in this issue
Francis Ndamani, Tsunemi Watanabe
This study analyzed socio-economic factors that influence farmers’ adaptation to climate change in agriculture. Perceptions regarding long-term changes in climate variables and the rate of occurrence of weather extremes were also investigated. Additionall... see more
Patrícia Coelho de Souza Leão, Bruna Thaís Gonçalves Nunes, Maria Auxiliadora Coelho de Lima
The aim of this study was to evaluate the effects of shoot topping and leaf removal practices on vegetative vigor, yield and physicochemical characteristics of the 'Syrah' grape in the semi-arid tropical climate conditions of the São Francisco River Valle... see more
Samuel de Souza Pinto, Anna Elisa de Souza, Marco Antonio Oliva, Eduardo Gusmão Pereira
Iron plays a pivotal role in the redox reactions of photosynthesis and metabolic processes such as chlorophyll synthesis. Iron availability in waterlogged soils can reach toxic levels and promote oxidative stress. Fe toxicity is the most concerning of str... see more
Maria Gisely Camargos, Clarice Diniz Alvarenga, Teresinha Augusta Giustolin, Beatriz Aguiar Jordão Paranhos, Patrícia Cristina do Carmo Oliveira, Marcelo Mendes Rabelo
Diachasmimorpha longicaudata is an Old World parasitoid of tephritid fruit flies that was widely introduced in the Americas to control pest species such as the Mediterranean fruit fly Ceratitis capitata. Augmentative releases in irrigated coffee plantatio... see more
Fernanda Papa Spada, Miriam Mabel Selani, Antonio Augusto Domingos Coelho, Vicente José Maria Savino, Arnaldo Antônio Rodella, Miriam Coelho Souza, Flavia Salgado Fischer, Dayane Elizabethe Aokui Lemes, Solange Guidolin Canniatti-Brazaca
Carotenoids are incorporated into the diet of laying hens in order to modify the yolk color. A natural source of carotenoids in tropical countries is annatto, which could be used in the diets of hens. This study aimed to evaluate the addition of natural (... see more
José Marcelo Soriano Viana, Hans-Peter Piepho, Fabyano Fonseca e Silva
To date, the quantitative genetics theory for genomic selection has focused mainly on the relationship between marker and additive variances assuming one marker and one quantitative trait locus (QTL). This study extends the quantitative genetics theory to... see more
Kirley Michele Marques Silva, André Silva Xavier, Marco Aurélio Siqueira Gama, Nelson Bernardi Lima, Maria do Carmo Castanho Pereira Lyra, Rosa Lima Ramos Mariano, Elineide Barbosa Souza
Bacterial fruit blotch (BFB) of cucurbit plants is caused by Acidovorax citrulli and represents a serious concern to melon (Cucumis melo L.) growers worldwide, including those in Brazil. Thirty-four A. citrulli strains from different melon production area... see more
Pedro Pérez-Bermúdez, Manuel Olmo, Jaime Gil, Lorenzo García-Férriz, Carmen Olmo, Rafael Boluda, Isabel Gavidia
Cover crops may improve vineyard soil properties, grapevine nutrient status and berry composition, however, factors such as cover crop type, annual rainfall, climate and irrigation may change their effects on vineyards. From 2008 to 2011, the effects of a... see more
Gustavo Pais de Arruda, José A. M. Demattê, César da Silva Chagas, Peterson Ricardo Fiorio, Arnaldo Barros e Souza, Caio Troula Fongaro
Digital soil mapping is an alternative for the recognition of soil classes in areas where pedological surveys are not available. The main aim of this study was to obtain a digital soil map using artificial neural networks (ANN) and environmental variables... see more
Michele Duarte de Menezes, Sérgio Henrique Godinho Silva, Carlos Rogério de Mello, Phillip Ray Owens, Nilton Curi
This study compared the performance of ordinary kriging (OK) and regression kriging (RK) to predict soil physical-chemical properties in topsoil (0-15 cm). Mean prediction of error and root mean square of prediction error were used to assess the predictio... see more
Júlio César Ramos, Ildegardis Bertol, Fabrício Tondello Barbosa, Camilo Bertól, Álvaro Luiz Mafra, David José Miquelluti, José Mecabô Júnior
Water erosion and contamination of water resources are influenced by concentration and diameter of sediments in runoff. This study aimed to quantify runoff velocity and concentration and the D50 index of sediments in runoff under different soil surface ma... see more
Jamile Câmara de Aquino, Cassius Fabian Costa Souza, Jânio Rodrigo de Jesus Santos, Iara Sordi Joachim-Bravo
Ceratitis capitata (medfly) is a globally important horticultural pest that can be controlled using the sterile insect technique (SIT), but the success of SIT depends on the sexual performance of mass-reared males when released into the field. We added “g... see more