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Simazine and Phosphorus Interactions in Red Pine Seedlings

Published online by Cambridge University Press:  12 June 2017

P. S. Dhillon ,
W. R. Byrnes  and
C. Merritt
P. S. Dhillon
Affiliation:
Community Development Counselling Service, Arlington, Virginia
W. R. Byrnes
Affiliation:
Purdue University, Lafayette, Indiana
C. Merritt
Affiliation:
Purdue University, Lafayette, Indiana
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Abstract

Uptake of phosphorus by red pine (Pinus resinosa Ait.) seedling roots from a medium containing .0015 ppm P32 was stimulated at 2-chloro-4,6-bis(ethylamino)-s-triazine (simazine) levels of 5 and 10 ppmw but inhibited at higher levels of 15 and 20 ppmw. Concentrations of simazine between 5 and 20 ppmw resulted in increased translocation of phosphorus from roots to stem and needles with increasing incubation time from 12 to 96 hr. Combinations of simazine at 10 ppmw with P32 at concentrations above 20 ppm resulted in decreased phosphorus uptake for incubation periods less than 72 hr. Phosphorus content of stems was not greatly influenced by simazine treatment or P32 concentration, but phosphorus content of needles was significantly higher in response to simazine.

Type
Research Article
Information
Weeds , Volume 15 , Issue 4 , October 1967 , pp. 339 - 343
Copyright
Copyright © 1967 Weed Science Society of America 

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References

Literature Cited

1. Biddulph, O. 1940. Absorption and movement of radio-phosphorus in bean seedlings. Plant Physiol. 15:131–136.CrossRefGoogle Scholar
2. Biddulph, O. 1951. The translocation of minerals in plants, p. 261–275. In Troug, E. (ed.) Mineral Nutrition of Plants. Univ. of Wisconsin Press, Madison.Google Scholar
3. Boyd, G. A. 1955. Autoradiography in Biology and Medicine. Acad. Press, New York. 399 p.Google Scholar
4. Crafts, A. S. 1964. Herbicide behavior in the plant, p. 75–110. In Audus, (ed.) The Physiology and Biochemistry of Herbicides. Acad. Press, New York.Google Scholar
5. Heimsch, C. 1951. Development of vascular tissue in barley roots. Amer. J. Bot. 38:523–537.CrossRefGoogle Scholar
6. Kramer, P. J. 1949. Plant and Soil Water Relations. McGraw-Hill Book Co., Inc., New York. 347 p.Google Scholar
7. Kramer, P. J. 1951. Effect of respiration inhibitors on accumulation of radioactive phosphorus by roots of loblolly pine. Plant Physiol. 26:30–36.Google Scholar
8. Kramer, P. J. and Wiebe, H. H. 1952. Longitudinal gradients of P-32 absorption in roots. Plant Physiol. 27:661–674.CrossRefGoogle Scholar
9. Leyton, L. 1957. The relationship between the growth and mineral nutrition of conifers, p. 323–379. In Thiman, K. V. (ed.) Physiology of Forest Trees. The Ronald Press Co., New York.Google Scholar
10. Lundegardh, H. 1950. The translocation of salts and water through wheat roots. Physiol. Plantarum 3:103–151.Google Scholar
11. Moore, R. F. 1949. Downward translocation of phosphorus in separated maize roots. Amer. J. Bot. 36:166–169.Google Scholar
12. Overstreet, R. and Broyer, T. C. 1940. The nature of absorption of radioactive isotopes by living tissues as illustrated by experiments with barley plants. Proc. Nat. Acad. Sci. 26:16–24.CrossRefGoogle ScholarPubMed
13. Overstreet, R. and Jacobson, L. 1946. The absorption by roots of rubidium and phosphate ions at extremely small concentrations as revealed by experiments with Rb-86 and P-32 prepared without inert carrier. Amer. J. Bot. 33:107–112.CrossRefGoogle Scholar
14. Wiebe, H. H. and Kramer, P. J. 1954. Translocation of radioactive isotopes from various regions of roots of barley seedlings. Plant Physiol. 29:342–348.Google Scholar