Picking roller, picking table and harvester

The utility model relates to the technical field of agriculture and machinery, in particular to a picking roller, a picking table and a harvester. The picking roller comprises a roller body, a plurality of picking teeth and a plurality of picking scrapers; the plurality of picking teeth and the plurality of pick-up scrapers are arranged on the cylinder body at intervals along the circumferential direction of the cylinder body; in the radial direction of the cylinder body, the picking scraping plate is longer than the picking teeth, the picking teeth are used for picking cotton bolls which do not bloom, and the picking scraping plate is used for picking cotton falling to the ground. By means of the picking roller, cotton can be normally harvested, meanwhile, cotton bolls which do not bloom are harvested, and cotton falling to the ground is picked up, so that the cotton is harvested to a large extent, waste of the cotton is reduced, and the harvesting amount of the cotton is increased. 本实用新型涉及农业及机械技术领域，尤其是涉及一种采