Ciao a tutti, alcune piante della mia palma mangiafumo, oltre che essere secche in punta, presentano dei tagli lungo la lunghezza della foglia, a cosa possono essere dovuti? Allego foto
https://www.dropbox.com/s/c837prku1e0i7ab/IMG_20170604_095618.jpg?dl=0
https://www.dropbox.com/s/28k8pf3xfk41e0e/IMG_20170604_095628.jpg?dl=0
https://www.dropbox.com/s/l6kqmv0zajvyedh/IMG_20170604_095649.jpg?dl=0
https://www.dropbox.com/s/v1u1onkieollsvv/IMG_20170604_095728.jpg?dl=0
https://www.dropbox.com/s/c837prku1e0i7ab/IMG_20170604_095618.jpg?dl=0
https://www.dropbox.com/s/28k8pf3xfk41e0e/IMG_20170604_095628.jpg?dl=0
https://www.dropbox.com/s/l6kqmv0zajvyedh/IMG_20170604_095649.jpg?dl=0
https://www.dropbox.com/s/v1u1onkieollsvv/IMG_20170604_095728.jpg?dl=0