Developing a Management Plan for Irrigation Runoff: Table 1
Table 1. Surface loss and leaching potential for commonly used greenhouse pesticides.
Common
Chemical
NameTrade Name/
FormulationSolubility
(ppm)Half Life
(days)Sorption Ratio
(Koc)Surface Loss
PotentialLeaching
PotentialAcephate 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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