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Publication Type:
| Refereed |
Author(s): | Balatti, Pedro A.;
Willemoes, Jorge G. |
Author Affiliation: | Instituto de Fisiologia Vegetal, Facultad de Agronomia, U.N.L.P. CC31 La Plata, Argentina |
Title: | Role of Ethylene on the Geotropic Response of Bermudagrass (Cynodon dactylon L. Pers.) Stolons |
Source: | Plant Physiology. Vol. 91, No. 4, December 1989, p. 1251-1254. |
Publishing Information: | Lancaster, PA: American Society of Plant Physiologists |
Keywords: | TIC Keywords: Cynodon dactylon; Ethylene; IAA
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Abstract/Contents: | "We studied the relationship between ethylene and gravity-induced upward bending of bermudagrass (Cynodon dactylon L. Pers) stolons. Ethylene production begins within 3 hours of the onset of gravistimulation, and increases thereafter until the 15th hour, after which it declines. There is a close positive relationship between ethylene production and upward bending during the first 12 hours of gravistimulation. Incubation of stolons with AgNo3 did not prevent ethylene evolution but delayed upward bending. In addition, ethylene production was 10-fold greater and peaked earlier in gravistimulated nodes incubated with 1-aminocyclopropane 1-carboxylic acid. The gravitational stimulation could be due to an increase in both 1-aminocyclopropane 1-carboxylic acid synthase and the ethylene forming enzyme. The results suggest that ethylene promotes the activity of indoleacetic acid." |
Language: | English |
References: | 23 |
Note: | Tables |
| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete): Balatti, P. A., and J. G. Willemoes. 1989. Role of Ethylene on the Geotropic Response of Bermudagrass (Cynodon dactylon L. Pers.) Stolons. Plant Physiol. 91(4):p. 1251-1254. |
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