Avaliação do crescimento de um plantio experimental de Dendrocalamus asper (Schult. & Schult. F.) Baker ex K. Heyne

Abstract

The present work had as objective to demonstrate through measurements made in the place at different ages that the experimental area of bamboo, located at the Universidade Tecnológica Federal do Paraná (UTFPR), campus Dois Vizinhos, is achieving satisfactory growth and production. The Dendrocalamus asper (Schult. & Schult. F.) Baker ex K. Heyne, popularly known as giant bamboo, was implanted in 2014, outlined in spacing 10m x 7m, totaling 240 plants and effective planting area of 1, 6 ha. Qualitative data of total height (m), DBH (cm) and number of rods were measured at ages of 5, 18, 24 and 40 months, then analyzing their means and respective coefficients of variation. Afterwards, the correlation data were analyzed between the variables: age, height, dap and number of rods, as well as the regression analysis of the relationship between the variables and the simulation of inventory reduction, aiming to facilitate data collection. The area has presented high adaptability results with incremental gains for the evaluated variables (height and DBH). The variables age, height, number of stalks and dap presented a positive correlation in all scenarios evaluated. Regression analysis shows an improvement over R² over time, corroborating the assertion that the plant is in full development and establishment in the area. From the repetitions carried out in the R Studio software, it was observed that the results show that it is not necessary to carry out census in the area, that is, only a portion of the population already gives support to the decision making, thus concluding that culture can be consolidated as a new source to meet demands and bottlenecks, helping the income of producers in the region, differentiating their businesses and making compatible a sustainable production with the culture of bamboo.