“-cide” is a combining form used to make nouns meaning killing of someone or something.
Modern agriculture uses this frequently. Pesticide, fungicide, insecticide etc.
Morons. Annihilation of everything that you think is useless? And you preach for Sanatana Dharma 
😀 ha ha ..grand delusion!!
Dharma does not teach Annihilation of useless. In fact, it is your greedy myopic vision that considers mother nature’s faithful dharmic entities as useless.
Farming is an art to keep everyone in motion in farm and yet get highest yield! Change your vocab and outlook.
Pesticides vs Pest-Control.
Fungicide vs Fungus-Control.
