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Inhibition of Carotenoid Synthesis by Fluridone and Norflurazon

Published online by Cambridge University Press:  12 June 2017

P. G. Bartels  and
C. W. Watson
P. G. Bartels
Affiliation:
Dep. Plant Sci., Univ. of Arizona, Tucson, AZ 85721
C. W. Watson
Affiliation:
Dep. Plant Sci., Univ. of Arizona, Tucson, AZ 85721
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Abstract

Fluridone {1-methyl-3-phenyl-5-[3-(trifluromethyl)phenyl]-4(1H)-pyridinone} and norflurazon [4-chloro-5-(methylamino)-2-(α,α,α-trifluoro-m-tolyl)-3(2H)-pyridazinone] inhibited carotenoid synthesis in wheat (Triticum aestivum L. ‘Maricopa’) seedlings and caused the accumulation of colorless carotenoid precursors, phytoene, and phytofluene. These data suggested that dehydrogenation reactions following phytoene formation were inhibited by the herbicides. Chlorophyll accumulated in the treated seedlings grown under 10 lux of light but was destroyed in seedlings illuminated with 16 klux of light. Seedlings illuminated with 16 klux of light lacked chloroplast ribosomes and normal ultrastructure whereas dark grown seedlings contained pastid ribosomes and had normal etioplast ultrastructure. The disruption of the chloroplasts and loss of chlorophyll was due to the absence of carotenoids in the treated plants, which would normally act to protect the chloroplasts from photodestruction.

Type
Research Article
Information
Weed Science , Volume 26 , Issue 2 , March 1978 , pp. 198 - 203
Copyright
Copyright © 1978 by the Weed Science Society of America 

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References

Literature Cited

1. Anderson, T. C. and Robertson, D. S. 1960. Role of carotenoids in protecting chlorophyll from photodestruction. Plant Physiol. 35:531–534.CrossRefGoogle ScholarPubMed
2. Bartels, P. G. and Hyde, A. 1970. Chloroplast development in 4-chloro-5-(dimethylamino)-2-(α,α,α-trifluoro-m-tolyl)-3(2H)-phridazinone (San 6706) treated wheat seedlings. Plant Physiol. 45:807–810.CrossRefGoogle Scholar
3. Bartels, P. G. and McCullough, C. 1972. A new inhibitor of carotenoid synthesis in higher plants: 4-chloro-5-(dimethylamino)-2-(α,α,α-trifluoro-m-tolyl)-3(2H)-pridazinone (Sandoz 6706). Biochem. Biophys. Res. Commun. 48:16–22.Google Scholar
4. Ben-Aziz, A. and Koren, E. 1974. Interference in carotenogenesis as a mechanism of action of the pyridazinone herbicide Sandoz 6706: Accumulation of C-40 carotenoid precursors inhibition of β,-carotene synthesis and enhancement of phytoene epoxidation. Plant Physiol. 54:916–920.CrossRefGoogle ScholarPubMed
5. Boardman, N. K., Francki, R. I., and Wildman, S. G. 1966. Protein synthesis by cell-free extracts of tobacco leaves. II. Comparison by physical properties and protein synthesizing activities of 70S chloroplast and 80S cytoplasmic ribosomes. J. Mol. Biol. 17:470–489.Google Scholar
6. Britton, G. and Goodwin, T. W. 1971. Biosynthesis of carotenoids. Pages 654–701 in Colowick, S. P. and Kaplan, N. O., eds. Methods in Enxymology. Vol. XVII, Part C. Academic Press, New York.Google Scholar
7. Burns, E. R., Buchanan, G. A., and Carter, M. C. 1971. Inhibition of carotenoid synthesis as a mechanism of action of amitrole, dichlormate and pyriclor. Plant Physiol. 47:144–148.CrossRefGoogle ScholarPubMed
8. Davis, B. H. 1965. Analysis of carotenoid pigments. Pages 489–531 in Goodwin, T. W., ed. Chemistry and biochemistry of plant pigments. Academic Press, New York.Google Scholar
9. Devlin, R. M. and Karczmarczyk, S. J. 1975. Influence of norflurazon on chlorophyll production. Proc. Northeast. Weed Sci. Soc. 29:161–167.Google Scholar
10. Goodwin, T. W. 1971. Biosynthesis of carotenoids and plant triterpenes. Biochem. J. 123:293–313.Google Scholar
11. Krinsky, N. I. 1967. The role of carotenoid pigments as protective agents against photosensitized oxidations in chloroplast. Pages 423–430 in Goodwin, T. W., ed. Biochemistry of Chloroplasts, Vol. I. Academic Press, New York.Google Scholar
12. Kummel, H. W. and Grimme, L. H. 1975. The inhibition of carotenoid biosynthesis in green algae by SAN H 6706: accumulation of phytoene and phytofluene in Chlorella fusca . Z. Naturforsch. 30c:333–336.Google Scholar
13. Leff, J. and Krinsky, N. 1967. A mutagenic effect of visible light mediated by endogenous pigments in Euglena gracilis . Science 158:1332–1334.CrossRefGoogle ScholarPubMed
14. Robbelen, G. 1957. Untersuchungen an strahleninduzierten Blattfarbmutanten von (Arabidopsis thaliana) Heynh. Z. Indukt, Abstammungs. Verebungslehre. 88:189–202.Google Scholar
15. St. John, J. B. and Hilton, J. L. 1976. Structure versus activity of substituted pyridazinones as related to mechanism of action. Weed Sci. 24:549–582.Google Scholar
16. Strang, R. H. and Rogers, R. L. 1974. Behavior and fate of two phenyl pyridazinone herbicides in cotton, corn, and soybean. J. Agric. Food Chem. 22:1119–1125.CrossRefGoogle Scholar
17. Vaisberg, A. J. and Schiff, J. A. 1976. Events surrounding the early development of Euglena chloroplasts: Inhibition of carotenoid biosynthesis by the herbicide SAN 9789 [(4-chloro-5-(methylamino)-2-(α,α,α-trifluoro-m-tolyl)-3-(2H) pyridazinone)] and its developmental consequences. Plant Physiol. 57:260–269.Google Scholar
18. Waldrep, T. W. and Taylor, H. M. 1976. 1-methyl-3-phenyl-5-[3-(trifluoromethyl)phenyl]-4(1H)-pyridinone, a new herbicide. J. Agric. Food Chem. 24:1250–1251.Google Scholar
19. Wolf, F. T. 1963. Effects of light and darkness on biosynthesis of carotenoid pigments in wheat seedlings. Plant Physiol. 38:649–652.Google Scholar