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Revista Ciência Agronômica
Scopus
ISSN 1806-6690 · Universidade Federal do Ceará · 1.547 artikel di indeks
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Genetic control of resistance to Liriomyza sativae by antixenosis in the melon accession CNPH 94-244
ABSTRACT In melon, characterizing germplasm allows identification of genotypes resistant to leafminers; knowing the genetic control of this resistance is indispensable for use in breeding. In this study, the genetic inheritance of resistance to L. sativae by antixenosis was investigated in the…
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Effects of saline stress and salicylic acid on germination and vigor of 'Biquinho' and 'Bode' pepper cultivars
ABSTRACT Salinity can impair seed germination and seedling development. Understanding plant tolerance to salinity and exploring alternatives to mitigate its adverse effects, such as the use of salicylic acid (SA), may enhance plant establishment in saline environments. This study aimed to evaluate…
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Diversified grain production systems improve phytosociological indices and reduce the cost of weed control
ABSTRACT The soya bean/maize double-crop is seen as the principal grain production system in Brazil; it is, however, vulnerable to competition and infestation by volunteer plants. In crop rotation systems which include different species, cultural weed control can be effective, improving…
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Effects of magnetic and electromagnetic treatment of the nutrient solution on hydroponic lettuce production
Vegetable production has increased in response to growing consumer demand for healthy and easily accessible foods. In this context, hydroponic systems have gained importance as they achieve yields comparable to soil-based cultivation while reducing water use by up to 70% and allowing control of…
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Rooting response in contrasting genotypes of Coffea canephora using IBA
Indole butyric acid (IBA) is a type of auxin that is widely used in the asexual propagation of plants as it optimises the rooting response. In a scenario of climate change, where thermal and water stress are imminent, the use of technology has proven to be one way of stimulating the morphological…
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Processing yields and chemical composition of fillets from fish fed organic and commercial diets in a polyculture system
The aim of this study was to evaluate the processing yields and the chemical composition of fillets from fish reared in a polyculture system, fed organic artisanal diet and conventional commercial diet for 12 months. A total of 168 fish from seven different species, silver catfish (Rhamdia quelen)…
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Strategy for egg-yolk pigmentation in end-of-cycle laying hens using a combination of natural pigments
The aim of this study was to evaluate performance and egg quality from the addition of two levels of pigment obtained from a combination of annatto seeds (Bixa orellana) and hay from the leaves of leucaena (Leucaena leucocephala) or moringa (Moringa oleifera), or from a mixture of the two. For the…
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Agronomic use of aluminum thermophosphates with added slag
ABSTRACT Phosphate minerals are the primary source of phosphorus and serve as raw materials for most phosphate fertiliser industries worldwide; yet thermophosphate production enhances the solubility of phosphorus in the soil. In this study, thermophosphates were produced from lateritic phosphates…
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Factors affecting the technologies adoption intensity and effect in milk production in Minas Gerais, Brazil
ABSTRACT Brazilian milk production has increased over the last decade, mainly due to the adoption of technologies and yield gains. However, huge technological heterogeneity persists among farmers. This paper adopts a beta regression model to evaluate the factors influencing the intensity of…
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Weed interference periods in common bean sown in two densities under arid conditions
ABSTRACT The degree of interference varies with cultural practices, and there is a lack of information regarding the weed interference periods in common beans under arid conditions. Thus, this study carried out an experiment with 12 (TPM) and another with eight plants m-1 (EPM) to compare the weed…
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Water memory in moringa seeds (Moringa oleifera Lam.)
ABSTRACT Moringa is a plant native to India, with a wide distribution worldwide, ranging from Asia to Africa, with more occurrence in regions with hot and dry climates, such as the Brazilian semiarid region. The aim of this study was to verify whether moringa seeds present water memory in response…
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Sucrose and hyperhydricity in the micropropagation of garlic seeds in vitro
ABSTRACT In agricultural crops that produce bulbs, the most important stage when the crop is generated via micropropagation is bulb production, as it involves a sensitive transition from the sprout to the bulb production phase. Since garlic is mainly propagated vegetatively from seeds produced in…
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Residual phosphate fertiliser and Azospirillum brasilense inoculation on soil quality and soybean productivity
ABSTRACT Maintaining adequate levels of labile phosphorus (P) in weathered soils is challenging due to its constant fixation. Mineral fertilisation is therefore often employed to ensure adequate nutrient levels in the soil. Such techniques as the use of phosphate-solubilising bacteria, are gaining…
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Sunflower cake mixed with crude glycerine in the diet of Semi-heavy laying hens
ABSTRACT The use of alternative feeds in the diet of laying hens can reduce costs and add nutritional value to the eggs; however, information on the combined effects of sunflower cake and crude glycerine remains limited. This study evaluated the individual and combined effects of including both…
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Development of dry acerola and ciriguela mixed pulp obtained by spouted bed drying and freeze-drying
ABSTRACT During the drying process, fruit pulps may undergo changes in their quality. This study aimed to select the optimal drying conditions for acerola-ciriguela mixed pulps using spouted bed drying and freeze-drying methods. For spouted bed drying, the influence of drying temperature, feed…
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Physiological quality of chia seeds as a function of sowing time and phosphorus rate
ABSTRACT Chia has attracted interest in Brazilian agriculture due to the high nutritional value of its seeds. However, there is still limited information on agronomic practices aimed at producing seeds with high physiological quality. Among the factors that influence this attribute, sowing time and…
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Near-infrared spectroscopy and accelerated ageing in evaluating the vigour of lentil seeds
ABSTRACT The cultivation and consumption of lentils has been gaining importance in recent years due to the high nutritional value of the grain. Research related to seed technology is therefore important in providing high-quality seeds for the market. The aim o f this study was to adapt the…
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Reserve mobilization and seedling development of common bean seeds pre-soaked in gibberellic acid
ABSTRACT Soaking seeds in gibberellic acid can alter seedling performance by directly affecting reserve mobilization and the formation of vigorous seedlings. The aim of this study was to assess whether common bean seeds with contrasting vigor pre-soaked in different doses of exogenous gibberellic…
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Nori species (Rhodophyta, Bangiales): a brief review of nutritional and economic potential in Brazil
ABSTRACT The species Porphyra, Pyropia, and Neopyropia are widely cultivated and consumed worldwide due their valuable nutraceutical properties. These red algae are rich in essential macronutrients, including carbohydrates, lipids, proteins, and minerals. They also contain bioproducts beneficial to…
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Iodine test to detect physical damage in chickpea seeds
ABSTRACT The chickpea (Cicer arietinum L.) is the third most cultivated legume in the world and the second most consumed. One of the main problems in producing seed of this species is the mechanical damage generated when harvesting or during post-harvest. With the aim of developing a protocol for…
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