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Absorption and Translocation of Fluazifop with Additives

Published online by Cambridge University Press:  12 June 2017

John D. Nalewaja  and
Grzegorz A. Skrzypczak
John D. Nalewaja
Affiliation:
Agron. Dep., North Dakota State Univ., Fargo, ND
Grzegorz A. Skrzypczak
Affiliation:
Akademia Rolnicza, ul. Mazowiecka 45/46, 60-623 Poznan 31, Poland
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Abstract

The influence of various additives on the absorption and translocation of fluazifop {(±)-2-[4-[[5-(trifluoromethyl)-2-pyridinyl]oxy]phenoxy]propanoic acid} butyl ester in oats (Avena sativa L. var. ‘Lyon’) was determined. Fluazifop absorption and translocation by oats 48 h after application were less when applied with safflower (Carthamus tinctorius L.), sunflower (Helianthus annuus L.), soybean [Glycine max (L.) Merr.], linseed (Linum usitatissimum L.), and palm (Eleais quineeneis Jacq.) oil than with petroleum oil. However, fluazifop absorption and translocation continued to increase for the 96-h duration of the experiment when applied with soybean oil but only for 24 h when applied with petroleum oil. The 14C-fluazifop-label recovery was higher when applied with oils than when applied alone, which may have been due to reduced fluazifop volatility when it was emulsified with the oils. Absorption and translocation of fluazifop applied with glycerol or various emulsifiers were equal to or less than fluazifop absorption and translocation when applied with petroleum oils but were greater than fluazifop absorption and translocation when applied with seed oils 48 h after application. Fluazifop absorption and translocation were similar whether soybean or petroleum oil additives were applied with or without emulsifiers. Totally refined seed oils only slightly increased fluazifop absorption and translocation compared to fluazifop with once-refined or degummed seed oils.

Keywords

Adjuvantsurfactantwetting agentoils
Type
Weed Control and Herbicide Technology
Information
Weed Science , Volume 34 , Issue 4 , July 1986 , pp. 572 - 576
Copyright
Copyright © 1986 by the Weed Science Society of America 

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References

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