Aspectos agronômicos e qualidade de raízes de mandioca minimamente processadas

Abstract

The cassava crop and its production chain require a large investment of resources, directed to check productive varieties with good roots and that meet the minimum processing chain demand. Aimed with this work to evaluate the agronomic aspects, the quality of roots and minimal processing of cassava varieties. Six cassava varieties were grown (Amarelinha, Amarela, Cacau, Sabará, Vassourinha e Assentamento Estrela do Norte) in design of a randomized block design with four replications. At harvest the a10 months, were assessedproductivity, harvest index, number of roots per plant, average weight of roots per plant and root dry matter. Then, the material was minimally processed and stored at 5 ± 2 ° C and 90 ± 5% relative humidity for15 days. They were evaluated: performance in industrial processing, moisture content, soluble solids, pH and cooking time. The design was completely randomized in a factorial 6 x 6, regarding the varieties of cassava and storage periods (0, 3, 6, 9, 12 and 15 days), with 4 repetitions. The performance in industrial processing was calculated only at the end of the minimum processing. The Vassourinha variety has high yield (79.24 t ha-1), average weight of 4.0 kg and high percentage of dry matter of roots, with performance in industrial processing above 70%. also maintains the quality of the roots over 15 days of storage, and therefore suggested to minimal processing. The cooking time of this variety of cassava is 9 minutes.