Abstract
Abstract Accurate quality classification is one of the requirements of the flower market, which is becoming increasing more sophisticated and demanding. However, there is a lack of information regarding how such classification is performed, and it is often conducted in a less empirical and more subjective way. Therefore, this work aimed to compare the efficiency of personal classification (in-person) and using digital images to determine the quality of anthurium cv. Tropical (Anthurium andraeanum Lind.). Three experiments were performed regarding the recording of the images and the display mode of the images and comparing three methods of classifying postharvest quality of anthurium. It was concluded that measurements of colorimetric parameters can be performed anywhere on the spathe, but the period in which the parameters are measured does affect. Evaluators differ in the thoroughness with which they assign grades, and there is no need for prior knowledge to assess quality using images. The L* parameter measured by the colorimeter presented higher correlation with the evaluation of postharvest quality of Anthurium andraeanum Lind. ‘Tropical’. Classification by images can be performed using different electronic devices, and in-person classification is more rigorous than classification conducted using digital images.
Highlights
Given the senescence characteristics of each species/ variety, a quality standard can be created through a classification system; such classifications are typically performed manually and are subjective (Dias et al, 2010; Stead et al, 2019)
The three areas evaluated of the spathe of the anthurium inflorescences did not differ with regard to the parameters L*, a* and b* as a function of the evaluation period
Measurements made with the colorimeter (Figures 3 of and correlation with the mean scores (Figure 4) assigned A-E) and the monitoring of the fresh mass (Figure 3 F) of the by the evaluators during the evaluation period based on the flower stems throughout the experiment allowed confirmation characteristics of each postharvest quality category
Summary
Given the senescence characteristics of each species/ variety, a quality standard can be created through a classification system; such classifications are typically performed manually and are subjective (Dias et al, 2010; Stead et al, 2019). The standardization and classification of cut flowers is essential for the growth and development of the Brazilian flower market and for the support of the producers in this market, because the modernization of the sector requires that the products be adaptable to a variety of technologies that enable automated purchase and sale. This requires a standardization system that provides the final consumer with more information regarding quality, care required, handling, and durability among other aspects (Sebrae, 2015; Soleimanipour et al, 2019)
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