Issuance of any document stating that horticultural plants are apparently free from plant pests means only that the plants were inspected and found to meet the standards for freedom from infestation by plant pests described in this chapter. The department disclaims all expressed or implied warranties, including without limitations implied warranties of merchantibility and fitness for particular purpose, regarding all plants, plant parts, and plant material under this chapter. The department is not responsible for disease, genetic disorders, failure of performance or otherwise in connection with this chapter. No grower, nursery dealer, government official or other person is authorized to give any expressed or implied warranties on behalf of the department regarding this chapter.