Qualidade de semente de algodão

Abstract

The culture from the cotton in the Brazilian Middle West, specially in Mato Grosso, from the end of the decade of 90, presented an expressive growth. With the growth and the technology employed in the cultivation of cotton, there became still m ore necessary the use of seeds of high quality for the good performance of the tilling. Seeds of high quality, they allow quality guarantees and technology of adaptation in several areas, securing superior productivity. To speak in quality, it is necessary to begin with the choice of the variety in factors function like ground and region, to pass by the planting, control and handling of nuisances, harvest and continuing up to the improvement, storage and logistics. The work is based on a literature revision on the quality of the seeds of cotton, looking to value the factors that they affect and contribute to the quality and deterioration of the seed. The quality of the seed is of basic importance, not only since one gives the good result in the cultivation, but also because of representing better cost benefit for the production, as soon as there are a guarantee of a significant result. Considered seeds from cotton of good quality for marketing must present: 98 % of purity varietal, of contaminantes, 70 % of germination, you exempt 0,5 % of nuisances, with germination tests of at most 7 months, ideal moisture 9-10 %.