Author contributions
E.G.AD and F.R.B. planned and designed the research. E.G.AD assembled
plant materials. E.G.AD. performed experiments, conducted field and
laboratory work. E.G.AD and H.D. analysed data. E.G.AD., H.D., and I.H.
wrote the manuscript. F.R.B supervised the data collection and analysis.
All authors read and approved the final manuscript.