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Environmental control of cleistogamy in prairie grass (Bromus unioloides H.B.K.)
(Wiley on behalf of the New Phytologist Trust, 1965-04)
In long days (16 hours) flowers of prairie grass (Bromus unioloides H.B.K.) were almost invariably cleistogamous. In shorter photoperiods chasmogamous flowers were the rule provided soil moisture was high. Chasmogamy was ...