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Bragantia: Recent submissions
Itens para a visualização no momento 1-20 of 359
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(Instituto Agronômico (IAC), 2021-09-13)The agricultural use of biochar has been the focus of much research in the last decade due to the improvement of soil chemical, physical, and biological attributes. Nonetheless, Brazil still has no specific legislation for ... -
(Instituto Agronômico (IAC), 2024-03-21)The objective of this study was to evaluate the physiological quality of seeds from early and late maturing Coffea canephora clones, aiming to identify the ideal harvest time. The fruits were collected every two weeks from ...
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(Instituto Agronômico (IAC), 2024-05-09)The physical and chemical attributes of coffee beans have a direct relation with the sensory quality of the beverage and the commodity’s market value. The coffee berry borer is a pest that causes a worldwide harm, and its ...
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(Instituto Agronômico (IAC), 2023-11-10)The cultivation of Coffea arabica L. in a low-altitude region is a sustainable alternative for diversifying the income of farmers. On account of the variability of available cultivars, the use of indirect selection through ...
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(Instituto Agronômico (IAC), 2023-05-22)Coffee seedlings are commonly produced on substrate composed of a mixture of soil and cattle manure, supplemented with chemical fertilizers. Alternatives to reduce production costs and produce seedlings of greater quality ...
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(Instituto Agronômico (IAC), 2023-04-14)Identifying Coffea arabica cultivars that are more efficient in the use of nitrogen is an important strategy and a necessity in the context of environmental and economic impacts attributed to excessive nitrogen fertilization. ...
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(Instituto Agronômico (IAC), 2022-05-30)The demand for specialty coffees in the national and international market grows and generates an excellent opportunity for the exploration of new business. The cup quality of coffee is defined by the genetic predisposition ...
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(Instituto Agronômico (IAC), 2022-02-16)Biochar derived from coffee waste has been reported as a promising material for heavy metal sorption. However, if the intended use is environmental remediation, knowing the extent to which desorption may occur is critical. ...
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(Instituto Agronômico (IAC), 2021)Biochar is a material produced by the pyrolysis of agro-industrial waste, which has become one of the most promising management tools to improve soil quality. The aim was to determine the effects of incorporating biochar ...
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(Instituto Agronômico (IAC), 2021)This study investigated the effect of different phosphites on the control of coffee leaf rust (CLR) caused by Hemileia vastatrix, considered the major disease affecting coffee yield worldwide. Three-month-old coffee plants ...
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High rates of agricultural gypsum affect the arbuscular mycorrhiza fungal community and coffee yield(Instituto Agronômico (IAC), 2020)High rates of agricultural gypsum, above the recommended levels, have been used on a regular basis to deepen plant roots and to alleviate recurrent water stress in Cerrado areas. However, very little is known about the ...
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(Instituto Agronômico (IAC), 2019)Parental plants, an F1 interspecific hybrid and the F2 generation from Arabusta coffee plants were investigated for meiotic behavior and viability of pollen to understand part of their reproductive biology that affects ...
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(Instituto Agronômico (IAC), 2021)Deficiencies of boron and zinc occur in coffee plantations despite the many fertilizer sources offered by the industry for the agriculture. Sparingly soluble fertilizers (SSF) have been used in several countries for many ...
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(Instituto Agronômico (IAC), 2019)Selection of hybrid coffee plants coming from crosses between divergent populations is particularly relevant for the success of breeding programs. This study aimed to outline the best selection strategy in a hybrid population ...
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(Instituto Agronômico (IAC), 1941)This article deals with the observations made in the ovule and development of the macrogametophyte in Coffea arabica L. var. monosperma. The young ovule is normally constituted by a rudimentary nucellus surrounded by a ...
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(Instituto Agronômico (IAC), 1946)No presente trabalho, os autores, após a apresentação de alguns dados sôbre a natureza do cálice na triho Ixorex (Rubiacex), descrevem os caraterísticos dêste órgão em Coffea, detalhando, a seguir, uma variação encontrada ...
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(Instituto Agronômico (IAC), 1946-06)Após uma discussão geral sôbre a natureza das quimeras vegetais, esclareceu-se a ação dos alelos Na na em Coffea arabica L., chamando a atenção para diversos casos de mutações somáticas ocorridas com êstes fatôres, o que ...
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(Instituto Agronômico (IAC), 1949)Lançando mão de dados publicados por outro autor, (1) sôbre o comportamento da "Broca do Café", quando criada a várias temperaturas, em laboratório, o autor, aceitando em princípio que uma hipérbole equilátera traduz o ...
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(Instituto Agronômico (IAC), 1949)Coffee plants (Coffea arabica L.) were grown in nutrient solutions for the purpose of studying deficiency symptoms of the following elements : nitrogen, phosphorus, potassium, magnesium, calcium, sulphur and iron. The ...
Itens para a visualização no momento 1-20 of 359
