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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