10. Tuber control 11. Control growing 12. Labelling and storing of potato seed 13. Validity of certification 14. Appeals 15. Fees SECTIONS 35 AND 84-PLANT VARIETY (POTATO Statutory SEED) Instrument. REGULATIONS 133 of 1984 Act No. Regulations by the Minster 13 of 1994 21 of 1995 1. These Regulations may be cited as the Plant Variety (Potato Seed) Regulations. Title 2. (1) In these Regulations unless the context otherwise requires- Interpretation "control growing" means a test where growing potato plants are examined to determine cultivar purity and/or virus infection; "cultivar" means a subdivision of any species which can be distinguished from other subdivisions of that species by means of growth, plant, fruit or other characteristics; "defect index" means a figure giving the status of a growing crop, a control growing plot or a potato seed lot taking into consideration both frequency and severity of the defects; "isolation" means a required distance between two crops of the same species in order to prevent contamination either mechanically or by pollination; "off-type" means a plant which does not show the recognised and acceptable habits and characteristics of the cultivar being grown; and "seed class" means a step in seed multiplication system well defined in respect of another seed, standard of cultivation and seed quality. (2) Unless the context otherwise requires words and expressions not defined in these Regulations but defined in the Plant Variety and Seeds Regulations, shall, in these Regulations, have the meaning assigned Cap. 236