cr88CR88 was mapped to chromosome 2 by using the set of Ar? abidopsis restriction fragment length polymorphism markers described by Fabri and Schaffner (1994). Use of additional markers onThe cr88 mutant of Arabidopsis is a novel chlorate-resistant mutant that displays long hypocotyls in red lht, but not in far red or blue lht, and is delayed in the greening