Cut potato planting stock may be treated with a fungicide to prevent fungal diseases. Small potatoes may be cut up for planting as long as each piece contains an eye. Supermarket potatoes should not be used, as they have been treated with an anti-sprouting chemical.
About this Author
Marie Notnats enjoys learning about new topics and teaching people new skills. She has been writing professionally since 2008. She is a professional horticulturist with a Bachelor of Science degree in horticulture from Brigham Young University. She writes for About.com, Examiner.com, eHow, and assorted gardening blogs.