Saw this on some plants in Texas and not really sure what it is? It was growing in a ditch and the guy has a tent over it with a bunch of other plants around it. Is it contagious?

Saw these in Dallas anyone know what the problem is? - Cannabis Photo Gallery
Moe_moe44 Reviewed by Moe_moe44 on . Any of you know what this is? Saw this on some plants in Texas and not really sure what it is? It was growing in a ditch and the guy has a tent over it with a bunch of other plants around it. Is it contagious? Saw these in Dallas anyone know what the problem is? - Cannabis Photo Gallery Rating: 5