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Fig. 2 | Genome Biology

Fig. 2

From: Using high-throughput multiple optical phenotyping to decipher the genetic architecture of maize drought tolerance

Fig. 2

General analyses of i-traits. a–c Examples showing the levels of RGB-derived (TPA, a), HSI-derived (dT233, b), and CT-derived (Hollow_area_700, c) i-traits, which effectively indicated the levels of drought stress at different time points. PCA of RGB-derived (d) and HSI-derived (e) i-traits collected at time points D34, D40, D46, and D52. f Broad heritability (H2) of all RGB-derived and top 60 HSI-derived i-traits. More detailed H2 information is shown in Additional file 10: Figure S2. WW, well-watered; DS, drought-stressed; D, days after sowing

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