Comportamento da germinação e vigor de sementes de algodão herbáceo em diferentes tipos de embalagens e condições conservação durante a sua armazenagem.

Abstract

The present study was conducted with the objective to evaluate the physiological qualyty of herbaceous cotton seeds (Gossypium hirsutum L. r. latifolium, HUTCH.) tweive months for stored under controlled and uncontrolled conditions with different types of packing material. The experiment was represented by the combination of the following factors: 'four treatments (seeds with lint; delinted seeds; delinted seeds, classified on gravity table and delinted seeds, classified on gravity table and treated fungicide); with three types of packing materiais (metallic tin can, plastic bag and paper bag); two storage conditions (dry chamber controlled at temperature of 10oC and 35% relative humidity and under ambient condictions of Campina Grande - PB) and five periods of storage (0, 3, 6, 9 e and 12 months). The cultivar used v/as CNPA 2H. After harvest, initial tests of germination and vigor, mean weigth of 100 seeds and water content for each treatment were determined. Based on the results obtained, it was conclua that cotton seeds with lint shouldnot be stored' and that delinted seeds classified on gravity table and treated with fungicide ( T4 ), stored in impermeable package (E1 ) and stored under controlled conditions of dry chamber (C2 ) were the ones that maintained best physiological quality along the twelve months storage.