But the news story does include the researchers warning that the study cannot show cause and effect
FS: You are making the right choice
This result indicated that there were many fungi with potential pathogenic characteristics on tobacco phyllosphere, as well as that most of those fungi are saprotrophs, which include genera whose species are well-known tobacco pathogens, for instance, Alternaria alternata (Wang et al., 2016), Didymella segeticola (Guo et al., 2020), Phoma sorghina , and Phoma omnivirens causing leaf spot on tobacco (Yuan et al., 2016
And it did, profoundly in so many ways
Giovino GA, Tomar SL, Reddy MN, Peddicord JP, Zhu B-P, Escobedo LG, Eriksen MP