Tamaño y peso de granos de café en relación con rangos altitudinales en zonas cafetaleras de Toledo, Norte de Santander (Colombia)

Rodríguez, José de Jesús Núñez; Rodríguez, Julio César Carvajal; Ferreira, Omaira Mendoza

doi:10.21930/rcta.vol22_num2_art:1820

Cited by 2 publications

(2 citation statements)

References 39 publications

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“…Sieve sizes vary from 8 to 20, on the scale of 1/64 inch (Núñez Rodríguez et al. , 2021). Sieve 18 means 18/64-inch holes, measuring 7.1 mm, and similarly, sieve 16 means 6.3 mm.…”

Section: Methodsmentioning

confidence: 99%

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Kaolin particle film mitigates supra-optimal temperature stress effects at leaf scale and increases bean size and productivity of Coffea canephora

et al. 2023

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Summary In young plants of Coffea canephora, fine particle film based on calcined kaolin (KF) causes a decrease in leaf temperature (Tleaf), minimizing the damages to the photochemical apparatus, especially in summer season, but no report about the ecophysiological responses to KF over phenology is available on this species. We hypothesized that greater ecophysiological effects of KF would occur during the summer phenophase of leaf area and berry expansion (BE) compared with autumn berry maturation phase (BR), and that those benefits will have impact on bean productivity and physical quality. In this sense, the present study aimed to analyze the effects of KF on some ecophysiological parameters in the last phenophases of C. canephora biennial cycle, bean productivity, and bean size classification. During the complete phenological cycle, eight applications of KF were performed, totaling 80 kg of KF ha−1 in two years. KF applications and ecophysiological measurements occurred during the BE and BR phenophases. Firstly, we documented temporal dynamics in responses of field-grown C. canephora adult plants to KF application. KF reduced Tleaf and crop water stress index and increased the thermal index of relative stomatal conductance and relative chlorophyll content (SPAD index) observed in the autumn BR (opposite to young plants). The positive impact of KF on chlorophyll a fluorescence was proportionally similar among the observed phenophases. Secondly, KF increased bean size 16 by 50% and increased total productivity. The plants treated with KF increased productivity by 1.7 t ha− commercially useful bean mass compared to the control. The kaolin dose of 40 kg ha−1 distributed four times per year was highly effective as a protection strategy against high-light and elevated Tair.

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“…Sieve sizes vary from 8 to 20, on the scale of 1/64 inch (Núñez Rodríguez et al. , 2021). Sieve 18 means 18/64-inch holes, measuring 7.1 mm, and similarly, sieve 16 means 6.3 mm.…”

Section: Methodsmentioning

confidence: 99%

“…The size of coffee beans is classified according to the grain rail where they were retained. Sieve sizes vary from 8 to 20, on the scale of 1/64 inch (Núñez Rodríguez et al, 2021). Sieve 18 means 18/64-inch holes, measuring 7.1 mm, and similarly, sieve 16 means 6.3 mm.…”

Section: Coffee Bean Productivity and Physical Traitsmentioning

confidence: 99%

Kaolin particle film mitigates supra-optimal temperature stress effects at leaf scale and increases bean size and productivity of Coffea canephora

et al. 2023

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Determination of Lipids and Fatty Acids in Green Coffee Beans (Coffea arabica L.) Harvested in Different Agroclimatic Zones of the Department of Quindío, Colombia

Echeverri-Giraldo,

Pinzón Fandiño,

González Cadavid

et al. 2023

Agronomy

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The objective of this work was to quantify and characterize the lipid fraction of coffee beans grown in different agroclimatic zones of the department of Quindío, seeking to provide coffee growers with useful information about the coffee produced on their farms and the ability to determine coffee quality and sensory attributes. The lipid extraction process was carried out using two different methods: Soxhlet and Soxtec. The bias was established through concordance analysis using the Bland–Altman test to determine the correlation between the two extraction methods. The final results were compared for each agroclimatic zone, and no significant differences were found between the values for average lipid content of the coffee, which varied between 12.01% and 12.90%. When characterizing the profile of fatty acids present in the lipid fraction of coffee using the technique of gas chromatography coupled to mass spectrometry, it was evidenced that the major acids present in the green coffee bean were linoleic acid and palmitic acid, with an average content between 39.83–40.83% and 36.92–37.90%, respectively, and that these fatty acid contents presented statistically significant differences in areas with higher elevations, higher relative humidity and less sunlight (zones 3 and 4). Stearic acid presented differences in all of the agroclimatic zones.

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Tamaño y peso de granos de café en relación con rangos altitudinales en zonas cafetaleras de Toledo, Norte de Santander (Colombia)

Cited by 2 publications

References 39 publications

Kaolin particle film mitigates supra-optimal temperature stress effects at leaf scale and increases bean size and productivity of Coffea canephora

Kaolin particle film mitigates supra-optimal temperature stress effects at leaf scale and increases bean size and productivity of Coffea canephora

Determination of Lipids and Fatty Acids in Green Coffee Beans (Coffea arabica L.) Harvested in Different Agroclimatic Zones of the Department of Quindío, Colombia

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