Section R. 285.623.214 - Foundation corn; inbred linesRule 214.
(1) An inbred line is a relatively true breeding strain of corn that results from not less than 5 successive generations of controlled self-fertilization with selection.(2) Inbred increase fields must be isolated by a distance of not less than 660 feet from other corn or like color or texture and by a distance of not less than 1,320 feet from corn of a different color or texture. However, the isolation distances must not apply when increase is by hand-pollination.
(3) Inbred lines are eligible for certification when used in the production of certified hybrids.(4) Fields must be inspected by the certifying agency not less than 4 times during the pollinating period. Roguing for off-type plants must be performed before any pollen discharge. An inbred that has more than 0.1% definitely off-type plants or more than 1.0% of doubtful-type plants must not be certified.(5) A seed lot of an inbred line must not have more than 0.1% definitely off-type ears or more than 0.2% ears with of-color kernels as determined by an ear inspection or winter grow out test.Mich. Admin. Code R. 285.623.214
1994 AACS; 2023 MR 6, Eff. 3/28/2023