Journal of Experimental Botany, Vol. 51, No. 348, pp. 1319-1321,
July 2000
© 2000 Oxford University Press
Short Communication |
Anther dehiscence in two-rowed barley (Hordeum distichum) triggered by mechanical stimulation
1 Experimental Farm, Kyoto University, 121 Hatchonawate, Takatsuki, Osaka 5690096, Japan
2 Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo 1138657, Japan
3 Graduate School of Agriculture, Kyoto University, Kyoto 6068502, Japan
Abstract
Pricking or pressing an ovary can induce anther dehiscence in cleistogamous two-rowed barley in the absence of lodicule swelling. This response is considered to be inherited from a chasmogamous ancestor in which anther dehiscence is induced by the stimulus given to the pistil by the lodicule swelling, which causes floret opening.
Key words: Anther dehiscence, floret opening, sensory organ, trigger, two-rowed barley.
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