7 Pa. Code § 115.153
Current through Register Vol. 55, No. 1, January 4, 2025
A male sterile line (cytoplasmic) may be substituted for its fertile counterpart as one parent of a Foundation single cross, provided that the male sterile line has been back crossed for no less than five generations to its fertile counterpart and the male sterile line is the same in other characteristics as its fertile counterpart.
7 Pa. Code § 115.153