white sheath A ws3 mutant plant with white sheath and nearly normal green leaf blade.

white sheath A ws*-N537D pale green mutant plant with whitish sheath.

white sheath Sheath of wsm*-N537D mutant plant showing green revertant sectors, indicating mutability of this allele.

White Sheath Stalk of a dominant Ws4-N1589/+ heterozygous mutant plant (right) showing whitish sheath and lighter green leaves as compared to normal (photo courtesy R. Bird)

White Sheath A mature Ws4, (Pg*)-N1589/+ heterozygous mutant plant showing whitish sheath and silks and yellow green leaves

white sheath A ws3-N2357 mutant plant showing striking white sheath and nearly normal green leaves