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Effects of Trifluralin on Corn (Zea mays) Growth and Nutrient Content

Published online by Cambridge University Press:  12 June 2017

Robert G. Hartzler ,
Richard S. Fawcett  and
Henry G. Taber
Robert G. Hartzler
Affiliation:
Iowa State Univ., Ames, IA 50011
Richard S. Fawcett
Affiliation:
Iowa State Univ., Ames, IA 50011
Henry G. Taber
Affiliation:
Iowa State Univ., Ames, IA 50011
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Abstract

Glasshouse experiments were conducted to determine the effects of trifluralin on root growth and mineral relations of corn seedlings. Root weight to shoot weight ratios of corn seedlings were positively correlated to concentrations of trifluralin in soil. Root length to shoot weight ratios, however, were inversely related to trifluralin concentrations. Phosphorous and potassium concentrations in shoot tissue were reduced 60 and 35%, respectively, by 0.25 mg trifluralin kg−1 soil. Growth inhibition due to trifluralin was partially overcome by supplementing soil with nutrients.

Keywords

Trifluralin, 2,6-dinitro-N,N-dipropyl-4-(trifluoromethyl)-benzenaminecorn, Zea mays L. ‘Pioneer 3732’Mineral absorptionroot functionroot:shoot ratio
Type
Physiology, Chemistry, and Biochemistry
Information
Weed Science , Volume 38 , Issue 6 , November 1990 , pp. 468 - 470
Copyright
Copyright © 1990 by the Weed Science Society of America 

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References

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