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Effects of Atrazine-Phytobland Oil Combinations on 14CO2-Fixation and Transpiration

Published online by Cambridge University Press:  12 June 2017

G. E. Coats  and
C. L. Foy
G. E. Coats
Affiliation:
Plant Physiol., Dep. of Plant Pathol. and Physiol., Virginia Polytech. Inst. and State Univ., Blacksburg, VA 24061
C. L. Foy
Affiliation:
Plant Physiol., Dep. of Plant Pathol. and Physiol., Virginia Polytech. Inst. and State Univ., Blacksburg, VA 24061
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Abstract

Fixation of 14CO2 in corn (Zea mays L. ‘VPI 646’ or ‘VPI648′) and transpiration in corn and soybean [Glycine max (L.) Mere. ‘Lee’] following treatment with atrazine [2-chloro-4-(ethylamino)-6-isopropylamine-s-triazine] were reduced by the addition of phytobland petroleum oils to the treatment solutions. Inhibition of 14CO2 fixation increased with increasing rates of oil and (or) atrazine and decreased with time following treatment. Oil type (naphthenic versus paraffinic) and viscosity (70, 100, 150, and 200 sec) did not significantly affect 14CO2 fixation or transpiration; however, when applied alone or in combination with atrazine, the 100-sec viscosity oils tended to be the most inhibitory.

Type
Research Article
Information
Weed Science , Volume 22 , Issue 3 , May 1974 , pp. 215 - 220
Copyright
Copyright © 1974 by the Weed Science Society of America 

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References

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