An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Zimmermann U, Rygol J, Balling A, Klöck G, Metzler A, Haase A.Zimmermann U, et al.Plant Physiol. 1992 May;99(1):186-96. doi: 10.1104/pp.99.1.186.Plant Physiol. 1992.PMID: 16668848Free PMC article.
Balling A, Zimmermann U.Balling A, et al. Among authors: zimmermann u.Planta. 1990 Oct;182(3):325-38. doi: 10.1007/BF02411382.Planta. 1990.PMID: 24197182
Walter L, Balling A, Zimmermann U, Haase A, Kuhn W.Walter L, et al. Among authors: zimmermann u.Planta. 1989 Dec;178(4):524-30. doi: 10.1007/BF00963822.Planta. 1989.PMID: 24213049
Steudle E, Zimmermann U, Zillikens J.Steudle E, et al. Among authors: zimmermann u.Planta. 1982 May;154(4):371-80. doi: 10.1007/BF00393917.Planta. 1982.PMID: 24276166