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Scientia Agricola
Scopus
ISSN 0103-9016 · Universidade de São Paulo · 2.989 artikel di indeks
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Artikel Jurnal Teks lengkap
Passion fruit green spot virus: host range, experimental indicator plants, latency and incubation periods
ABSTRACT Yellow passion fruit (Passiflora edulis f. flavicarpa) is the most cultivated passion fruit species in Brazil, the world's largest producer. Several viral diseases have been reported to infect the Passiflora species, including those caused by passion fruit green spot virus (PfGSV…
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Effects of sprayer path and insecticide application parameters on the control of Diaphorina citri in non-bearing citrus orchards
ABSTRACT Controlling the Asian citrus psyllid (ACP) (Diaphorina citri Kuwayama, Hemiptera: Liviidae) with insecticides is crucial, as it is the vector for the destructive citrus disease Huanglongbing (HLB). Modifications in insecticide application can improve operational efficiency and reduce…
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Performance, carcass responses and economic implications of feeding high-protein distillers grains to commercial pigs
ABSTRACT An experiment was conducted to investigate the effects of high-protein distiller's dried grain (HP-DDG) on performance and carcass traits of growing and finishing pigs. A total of 1,750 pigs were allotted in a completely randomized block design into five treatments, 14 replicates, and 25…
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Artikel Jurnal Teks lengkap
Carbonated yerba mate infusion enriched with jaboticaba juice: formulation and optimization of a functional beverage
ABSTRACT Exploring Brazil's native fruits is crucial to address post-harvest conservation challenges, facilitate efficient processing, enhance economic value, and promote sustainability. These innovations enable flavor diversification in cold beverages based on yerba mate (YM) (Ilex paraguariensis…
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Phytochemical recovery from spent purple corn residues: characterization and process optimization
ABSTRACT Purple corn (Zea mays L.) is a rich source of anthocyanins extensively used in the food and cosmetic industry. Producing concentrates and colorants from purple corn generates large amounts of phytochemical-rich byproducts that are not upcycled (spent purple corn cob (sPCC) and spent purple…
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Maintenance energy requirements and support metabolism in tropical beef cattle: a meta-analysis of gender and genotype interactions
ABSTRACT: Energy-demanding processes in animal production rise in tandem with increased nutritional intake. This meta-analysis aimed to quantify the metabolizable energy (ME) requirements for maintenance (kMEm) and metabolizable energy to support metabolism (HiEv), considering genotype and gender…
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Can Bacillus subtilis, an old microorganism, be used as a new silage inoculant? A review
ABSTRACT: Bacterial inoculants have been used to enhance silage preservation for over a century. Notably, most of these inoculants consist of lactic acid bacteria (LAB), with only a limited number of commercial products containing bacteria other than LAB. Recent research efforts have concentrated…
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Enhancing small-object detection in vineyards: a YOLOv8-based approach for grape maturity classification
ABSTRACT: ‘Kyoho’ grapes are renowned worldwide for their excellent fresh food quality. Determining the optimal time to pick grape bunches based on maturity is an important factor in ensuring their quality. However, the maturity of grape bunches in complex grape garden environments is easily…
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Succulent forages sustain lamb performance and hydration without compromising thermoregulation in semi-arid feedlots
ABSTRACT: Forage watermelon (Citrullus lanatus var. citroides) and spineless cactus (Opuntia stricta) are succulent forages with high water content, making them potential food sources for thermoregulation and performance of confined sheep in tropical environment. This study evaluated animal…
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Simulating beef herd dynamics across production intensities: a stochastic model for the Brazilian Cerrado
ABSTRACT: Beef production benefits significantly from research aimed at enhancing profitability and productivity, with simulation providing a means to achieve faster results and reduced costs. This paper outlines the development and validation of simulation models for full-cycle production…
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Evaluation of CNN optimizers and meta-learning approaches for classifying toxic weeds in UAV imagery
ABSTRACT Brazil, the world's largest beef exporter, faces challenges in livestock farming due to the presence of noxious weeds in Brachiaria spp. pastures. The use of drones has proven to be an efficient alternative for monitoring these plants, but studies on the automatic identification of these…
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Nematicide-enriched seed encrustation enhances early growth without compromising microbial viability in Urochloa brizantha
ABSTRACT The use of nematicides in cover crops offers promising results in nematode management, but some treatments may interfere with the efficacy of biological nematicides, such as seed coating, which uses high temperatures in the process. This study aimed to evaluate the germination and initial…
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Feeding system and grouping time influence behavior, welfare indicators, and reproductive performance in group-housed sows and gilts
ABSTRACT This study evaluated the behavior and reproductive parameters of group-housed female swine at two distinct periods of the breeding cycle (PBC) and managed using two different feeding systems (FS) during gestation. A total of 348 gilts and 658 sows were group-housed one day after the last…
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Edible coatings based on chitosan and zein improve shelf life and quality of vacuum-packaged lamb meat
ABSTRACT Traditional packaging is used to protect perishable products, such as meat, from deterioration. As an alternative for extending shelf life, edible coatings have been developed. This study examined the effects of chitosan- and zein-based edible coatings on physical-chemical characteristics…
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A mixed beta regression approach for analyzing bounded sensory data in incomplete block designs
ABSTRACT Sensory analysis plays a crucial role in the food industry, facilitating innovation and enhancing products. This study includes a sample of individuals, both trained and untrained, who evaluate a product using a hedonic scale or scoring system within a balanced incomplete block (BIB)…
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Development and performance evaluation of an embedded PI controller for pressure regulation in irrigation emitter testing
ABSTRACT Tests to characterize the flow rate-pressure curve of irrigation emitters require control of test pressure to ensure the measurement certainty needed in the tests. This study aimed to develop and evaluate a system for automatic control of pressure in tests to determine the flow…
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Acerola genetic diversity and multitrait selection for fresh consumption and processing industry
ABSTRACT Acerola is a tropical superfruit recognized for its high vitamin C content. Given the significant genotypic variability in fruit quality, an effective multitrait selection is crucial for an acerola breeding program aimed at identifying promising genotypes for specific purposes. This study…
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Vegetable impurities in harvested sugarcane impair juice quality and reduce sugar yield: implications for processing and payment systems
ABSTRACT Despite the numerous economic, social, and environmental benefits of green cane, there is a significant increase in the accumulation of plant impurities in the raw material, particularly when harvesters are not operated properly. This study assessed the impact of adding measured quantities…
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Integrating physical and physiological seed traits to select superior common bean genotypes for breeding
ABSTRACT Selection for physical and physiological seed quality traits in common bean (Phaseolus vulgaris) has received little attention from breeding programs. This study aimed to examine genetic diversity among common bean genotypes based on physical and physiological seed quality and identify…
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Herbicide resistance patterns of Eleusine indica to atrazine and paraquat and their implications for weed management in Indonesia
ABSTRACT Eleusine indica, commonly known as Goosegrass, is a prevalent weed in maize cultivation that demonstrates rapid adaptation and prolific reproduction. The herbicides atrazine, paraquat, and glyphosate are frequently employed to manage E. indica in maize fields. However, inappropriate use of…
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