Production of cucumber cultivars according to the accumulated thermal sum
Cucumber is a species appreciated in cooking, in addition to providing various nutrients for health. In view of this, it is important that research on its growth is carried out, prioritizing statistical analyzes that effectively demonstrate the results. The objective was to verify the differences by analyzing of the variance and nonlinear models, in addition to characterizing the production, early production and production rate of cultivars of cucumber using of nonlinear models. An experiment was carried out in a randomized block design (RBD), with three cultivars (‘Atlantico’, ‘Caipira’ and ‘Fuyu’) in six replications. Two types of analysis of variance were performed for the variable mass of cucumber fruits. In the first the RBD design was considered with three cultivars and six replications and in the second the RBD design was considered in a split subdivided over time (cultivars x harvests). Afterwards, the Logistic growth model was adjusted for the fruit mass variable as a function of accumulated thermal sum, and determination of the critical points of the model. The use of nonlinear models to evaluate experiments with cultures of multiple harvests has advantages in relation to anova and complementary tests. The cultivar ‘Fuyu’, has higher productivity compared to the cultivars ‘Atlantico’ and ‘Caipira’, in addition to presenting greater precocity and production rate. The adjustment of the logistic model and its critical points allowed to identify the production, precocity and production rate of the evaluated cultivars of the cucumber.
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Copyright (c) 2022 Maria Inês Diel, Alessandro Dal'Col Lúcio, Francieli Tartaglia, André Tischler, Patricia Jesus de Melo, Darlei Lambrecht, João Zemolin, Lucas Marques
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