Developing a Management Plan for Irrigation Runoff: Table 1

Table 1. Surface loss and leaching potential for commonly used greenhouse pesticides.

Common
Chemical
Name
Trade Name/
Formulation
Solubility
(ppm)
Half Life
(days)
Sorption Ratio
(Koc)
Surface Loss
Potential
Leaching
Potential
Acephate
Orthene WP
650000
3
100
small
small
Aldicarb
Temik 10G
6000
30
30
small
large
Ancymidol
A-Rest
650
20*
120
medium
medium
Azinphos-methyl
Guthion 50WP
29
40
1000
large
small
Benomyl
Benlate WP
2
100
2100
large
small
Carbaryl
Sevin WP
40
7
229
medium
small
Carbofuran
Furadan 10G
350
30
29
small
large
Chlorothalonil
Daconil WP
0.6
20
1380
large
small
Cyromazine
Trigard WP
11000
90
10**
small
large
Daminozide
B-Nine SP
100000
7
10**
small
medium
DCNA (Dicloran)
Botran WP
7
10*
5000
large
small
DCPA (Chlorthal-Dimethyl)
Dacthal WP
0.5
30
5000
large
small
Demeton-S-Methyl
Metasystox C
33000
30**
51
medium
large
Diazinon
Knox-Out EC
40
30
85
medium
large
Dicofol
Kelthane WP
1**
60*
8000000
large
small
Dimethoate
Cygon C
25000
7
8
small
medium
Dinocap
Karathane WP
4*
20**
630*
medium
small
Disulfoton
Di-Syston 15G
25
4
2000
medium
small
Diuron
Karmex WP
42
60
400
large
medium
Endosulfan
Thiodan EC
0.3
43
200000 l
arge
small
Ethephon
Florel
1000000*
5**
10000
medium
tot.use
Ethion
Ethion EC
1
350
15400
large
small
Etridiazole
Terrazole WP
50
20**
10000*
large
small
Fenbutatin Oxide
Vendex WP
0.005
20**
100000
large
small
Fenvalerate
Pydrin EC
0.1
50
100000
large
small
Ferbam
Carbamate
120
20**
300
medium
medium
Fluvalinate
Mavrik C
0.005
50*
1000000
large
small
Lindane
Isotox EC
7
90
1100
large
medium
Malathion
Malathion EC
145
1
1
797
small
Mancozeb
Manzate WP
0.5
35
1000
large
small
Maneb
Maneb
0.5*
12
1000**
medium
small
Metalaxyl
Subdue EC
7100
7
16
small
medium
Metaldehyde
Metaldehyde
230
10**
240
medium
small
Methomyl
Lannate SP
57900
8
28*
small
medium
Oxamyl
Vydate C
280000
7
1
small
large
Oxydemeton-methyl
Metasystox EC
1000000
20**
1*
small
large
PCNB
Terraclor WP
0.44
21
10000
large
small
Permethrin
Pounce EC
0.2
30*
10600
large
small
Phosethyl-Al
Aliette WP
120000
10**
10000**
large
small
Piperalin
Pipron EC
10**
20**
1000**
medium
small
Propargite
Omite EC
0.5
20**
8000*
large
small
Trichlorfon
Dylox WP
154000
27
2
small
large
Triforine
Funginex EC
30
21
500*
medium
small

_ *Value is estimated.
**Value is probably off by a factor of 2-3.


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