Surfactant Effects on Environmental Behavior of Pesticides - Reviews of Environmental Contamination and Toxicology - page 150

Table 11 (continued)

Residue trial/Rate,
period/analysis No. Pesticide/structure Formulation/additives Effects Reference

39 Azinphos-methyl Foliar residues on sugarcane

2 (EC), 15 (G) lg ai/acre,
0 d
NA, colorimetry

Attaclay granule (G), EC,
Low-volume-concentrate
(LV)

Whole plant deposits, EC ≈ Davis et al.

(1969) LV >> G

N

S N

N

CH 3 O
CH 3 O

P S

O

39 Azinphos-methyl Foliar residues on apple trees

330 ppm, 0-42 d
EtOAc extraction, GC

EC & WP Initial deposits, EC > WP

DT 50 = 6.3 d (EC)

Pree et al.
(1976)

6.2 d (WP)

67 Dimethoate Residues on grapefruits and

leaves 2.5 lb ai/acre,
0-14 d CH 2 Cl 2 (leaf), ace-
tonitrile (peel), acetone
(pulp) extracts, GC
Foliar residues on apple trees
330 ppm, 0-42 d
EtOAc extraction, GC

25% WP ± Ortho HDD ®c) ,
25 w/w% to formulation

More rapid penetration of
diemthoate into leaves but
with similar residues after
2 wk

Woodham
et al. (1974)

S

CH 3 O

P SCH 2 CONHCH 3

CH 3 O

EC & WP

Similar initial deposits.
DT 50 = 7.1 d (EC)

Pree et al.
(1976)

5.4 d (WP)