Phytosociology PLANT IN A SPONTANEOUS manioc IMPLANTED IN CULTIVATED PASTURES IN SOUTH Mato Grosso, BRAZIL
Abstract
Cassava, a native of Brazil, is grown throughout the country for its tuberous, roots rich in starches. It is a perennial, heliophila, susceptible to competition and interference of native or exotic plants that emerge spontaneously even depreciate the quality and yield, harvest hamper and even paralyze her plant. Floristic and phytosociological studies to assess the composition of the vegetation, obtaining frequency data, abundance, relative importance and similarity coefficient of the observed species. The present work aimed to study the invasion of a community manioc deployed in a pasture of 2 ha with brizantão (Urochloa Brizantha) in Sidrolândia, MS, for information about the diversity and dominant species. 30 samples 0,25m2, arranged in four rows east to west covering the experimental area, and the collection of species occurred were evaluated at 12 months of manioc cycle. Were found: 14 families, 28 genera and 40 invasive species. The species with the highest importance value, coverage and absolute frequency: U. Brizantha and Chamaesyce hyssopifolia.Downloads
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