Bleached Patches A Blh1-N1593/+ heterozygous mutant plant just prior to flowering, showing bleached patches on the lower third of leaf blade; expression of nearly white midvein tissue. Possible weather-related crossbands.

Bleached Patches Section of 8th leaf of a Blh1-N1593/+ heterozygous mutant plant, showing light midveins and prominent green veins.

Bleached Patches Eighth leaf of mature Blh*-N1601/+ heterozygous mutant plant, showing patches of bleached pale green tissue, especially along midveins, with some indication of diurnal expression

Bleached Patches Eighth leaf of a Blh*-N1601/+ heterozygous mutant plant, showing extreme bleaching in a diurnal pattern