Springback and diagravitropism in Merit corn roots. | Zendy

Maureen O. Kelly | Zendy; A. C. Leopold | Zendy

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Springback and diagravitropism in Merit corn roots.

Author(s) -

Maureen O. Kelly,

A. C. Leopold

Publication year - 1992

Publication title -

plant physiology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.554

H-Index - 312

eISSN - 1532-2548

pISSN - 0032-0889

DOI - 10.1104/pp.99.2.632

Subject(s) - zea mays , abscisic acid , stimulus (psychology) , agronomy , botany , horticulture , chemistry , biology , psychology , biochemistry , psychotherapist , gene

Dark-treated Merit corn (Zea mays L.) roots are diagravitropic and lose curvature upon withdrawal of the gravity stimulus (springback). Springback was not detected in a variety of corn that is orthogravitropic in the dark, nor in Merit roots in which tropistic response was enhanced either with red light or with abscisic acid. A possible interpretation is that springback may be associated with a weak growth response of diagravitropic roots.

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