|
Treatment
|
Ambient Seed Yield (g m−2)
|
Treatment Seed Yield (g m−2)
|
% Yield Decrease
|
Ambient PPN
|
Treatment PPN
|
PPN p-value
|
PPN d.f.
|
Optimal α
|
Optimal β
|
|---|
|
Drought
|
337.7 ± 15.9
|
251.8 ± 34.0
|
25.4
|
3.4 ± 0.3
|
2.7 ± 0.1
|
0.181‡
|
2
|
0.38
|
0.40
|
|
Elevated [O
3
]
|
–
|
–
|
–
|
3.4 ± 0.2
|
2.8 ± 0.2
|
0.120‡
|
3
|
0.33
|
0.39
|
|
Elevated Temperature
|
373.6 ± 15.2
|
297.2 ± 17.9
|
20.5
|
3.3 ± 0.2
|
3.0 ± 0.1
|
0.144‡
|
3
|
0.33
|
0.39
|
- Values represent the mean ± the standard error
- PPN = pods per node; d.f. = degrees of freedom from each pod per node data
- ‡ = significant based on optimal α analysis (See Methods section)
