International Scholarly Research Notices / 2012 / Article / Tab 4

Research Article

Toxicity Assessment of Expired Pesticides to Green Algae Pseudokirchneriella subcapitata

Table 4

Toxicity level of expired pesticide formulations against unexpired in percentage (%).

Toxicity level (%)

Insecticides
 Dichlorvos 76% EC
 Endosulfan 35% EC
 Quinalphos 25% EC
Pyrethroids
 Alphacypermethrin 10% SC32.14
 Fenvalerate 20% EC67.80
 Lambda-cyhalothrin 5% EC16.00
Herbicides
 Fenaxaprop-p-ethyl 9.3% EC31.75
 Pretilachlor 50% EC14.95
 2,4-D sodium salt 80% WP36.98
Fungicides
 Tebuconazole 25% ECNearly two fold higher than unexpired
 Mancozeb 75% WPNearly two fold higher than unexpired
 Hexaconazole 5% ECNearly two fold higher than unexpired
Combinational fungicides
 Captan 70% + Hexaconazole 5% WP
 Carbendazim 12% + Mancozeb 63% WP
 Metalaxyl 8% + Mancozeb 64% WP

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