Table 4.

Active ingredients in the pesticides used by farmers and WHO/FAO classification.

Types of pesticides	Common name	Active ingredients	WHO/FAO classification
Herbicides	Stam F 34	Propanil 360 g/L	III
	Round-up	Glyphosate 41%	III
	Gramoxone	Paraquat 276 g/L	II
	Chemosate	Glyphosate 41%	III
Insecticides	Dimethoate	Dimethoate 400 g/L	II
	Dursban 4E	Chlorpyrifos-ethyl 480 g/L	II
	Pawa 2.5 EC	Lambda-cyhalothrin 25 g/L	II
	Cydim super	Dimethoate 400 g and cypermethrin 36 g	II
	Karate 2.5 EC	Lambda-cyhalothrin 25 g/L	II
	Master	Bifenthrin	II
	Neem seed extracts	Azadirachtin	U
Fungicides	Topcope	Sulphur 50% and copper sulphate 8.4%	III

Note. II = moderately hazardous; III = slightly hazardous; U = unlikely to present acute hazard in normal use [9].