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Absorption and Translocation of CGA-82725 by Additives

Published online by Cambridge University Press:  12 June 2017

Greg R. Gillespie ,
Grzegor A. Skrzypczak  and
John D. Nalewaja
Greg R. Gillespie
Affiliation:
CIBA-GEIGY Corp., Greensboro, NC
Grzegor A. Skrzypczak
Affiliation:
Akademia Rolnicza, ul. Mazowiecka 45/46, 60-623 Poznan 31, Poland
John D. Nalewaja
Affiliation:
Agron. Dep., North Dakota State Univ., Fargo, ND
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Abstract

The influence of various additives on CGA-82725 [2-propanyl-2,4-(3,5-dichloro-2-pyridyloxy)phenoxy propanoate] absorption and translocation was determined in oats (Avena sativa L. ‘Lyon’). The absorption and translocation of 14C was greater when 14C-CGA-82725 was applied with petroleum oil compared to soybean [Glycine max (L.) Merr.] oil. The translocation of 14C was greater at 96 than 48 h after 14C-CGA-82725 application. The absorption of 14C was greater at 48 than 24 h but was similar at 48 and 96 h after 14C-CGA-82725 application with no additive, petroleum oil, or soybean oil. The absorbed and translocated 14C was greater when 14C-CGA-82725 was applied with oil at 1.2 compared to 0.6 L/ha. No additional increase in 14C absorption and translocation was obtained if the oil volume was increased to 2.3 L/ha. The addition of petroleum oil to 14C-CGA-82725 increased 14C absorption and translocation more than the addition of palm (Eleais quineeneis Jalq.), safflower (Carthamus tinctorius L.), linseed (Linum usitatissimum L.), or soybean oil. The four seed oils and the emulsifier At Plus 300F caused similar increases in 14C absorption and translocation over 14C-CGA-82725 applied alone. Ethylene glycol did not increase 14C absorption and translocation compared to 14C-CGA-82725 applied alone.

Keywords

Adjuvantsurfactantwetting agentoils
Type
Physiology, Chemistry, and Biochemistry
Information
Weed Science , Volume 36 , Issue 3 , May 1988 , pp. 282 - 285
Copyright
Copyright © 1988 by the Weed Science Society of America 

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References

Literature Cited

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