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Shoot biomass at (a) the end of the drought treatment (30 DAS) and (b) anthesis, in three wheat cultivars with different root systems, grown under well-watered conditions (WW) and exposed to early season drought (ESD). ESD was induced by simulating a 25 mm rainfall after sowing in dry soil and no watering for 30 days. Means followed by different letters are significantly different p < 0.05. Vertical error bars represent s.e. of the mean (n = 5).
