List of Top 10 Weed Killers
                     LIST OF TOP 10 WEED KILLERS
1. Compare–N–Save grass and weed 
killer
Type- Non selective contact and systemic
Use on- Post emergent weeds
2. Round up weed and Grass killer 
concentrate plus
Type- Non selective contact and systemic
Use on- Post emergent weeds
3.Southern Ag 2,4-D Amine weed killer
Type-Selective contact
Use on- Post emergent weeds
4. Preen garden Weed preventer
Type- selective Systemic
Use on- Pre emergent weeds
5. Gordon’s speed zone lawn weed killer
Type- Selective contact
Use on- Post emergent weeds
6. Ortho ground clear vegetation killer 
concentrate
Type- Non selective contact systemic
Use on- Post and pre emergent weeds
7. Scotts Halts Crabgrass & Grassy weed 
preventer
Type- selective systemic
Use on- Pre emergent weeds
8. Round up control weed killer
Type- Non selective contact and systemic
Use on- Post and pre emergent weeds
9.Bayer advance weed and crabgrass 
killer
Type-  selective contact and systemic
Use on- Post emergent weeds
10. Spectracide weed stop for lawns
Type- selective systemic
Use on- Post emergent weeds