Environmental Engineering Reference
In-Depth Information
Table 11
Effect of formulation and its additives on plant and soil residues of pesticides
Residue trial/Rate,
period/analysis
No.
Pesticide/structure
Formulation/additives
Effects
Reference
Plant residues
62
Dieldrin
Foliar residues of apple trees
0.02-0.05 ai %, June,
11 wk Hexane extracts, GC
Dieldrex 15 ® EC
50% Dispersible powder
Initial deposits, DP > EC
Persistency, EC > DP
Harrison et al.
(1967)
Cl
Cl
Cl
Cl
Cl
O
Cl
35
Heptachlor
Eureka lemon rind
2 lb ai/100 gal, 350 gal/
acre, 60 d NA
30% wettable powder
20% EC
Initial deposits, WP > EC
Persistency, EC > WP
Günther (1969)
Cl
Cl
Cl
Cl
Cl
Cl
Cl
34
Lindane
Cl
Chickpea pods (pod cover,
grains)
400 & 800 g ai/ha, 0-16 d
after application and at
harvest
Partitioned to hexane, GC
1.3% Kanodane ® dust
Initial residues, WP > D > EC
Mukherjee
and Gopal
(1999)
Cl
Kanodane ® 20EC
Kanodane ® 6.5% WP
Cl
Half-life, WP (4.7-5.1 d)
EC (6-7.5 d)
D (4.5-5 d)
Cl
Cl
Cl
63
Chlorothalonil
CN
Residues on cranberry
3.5 kg ai/ha, 0-28 d
CH 3 OH (leaf), hexane-
acetone extraction, GC
Bravo ® 720
± Bivert ® sticker
adjuvant a
(28 v/v%)
Increased initial dislodgeable
foliar and fruit residues
with adjuvant
Putnam et al.
(2003)
Cl
Cl
Cl
Cl
Cl
 
Search WWH ::




Custom Search