Shading in the initial production of flower stalks of Strelitzia reginae in Acorizal, MT

Abstract

The aim of this study was to evaluate the solar radiation effect in greenhouses for initial production of flower stalks of Strelitzia reginae. We evaluated number, height, diameter and fresh weight of buds and inflorescence lengths. The yield was higher in full sun, with 37 flower stalks and fresh weight of 100.2 g, followed by A3 environmental, with 24 rods and medium weight which did not differ significantly from the previous 18 and A5 showed rods with variables similar to previous environments, but with fresh weight (79.74 g) and diameters inferior to the other environments, while the A2 and A4 environments did not yield. The number, height, diameter and fresh weight of stems, reaching its highest values in environments with up to 30% shade and in conditions where light is limited, there is delay in the initial production of flower stalks. The radiation ensures the production process, but when it focuses directly on the plant, combined with other environmental factors like temperature and relative humidity, affects the pattern of trade of culture.