Figure 2 | Scientific Reports

Figure 2

From: Seed coat thinning during horsegram (Macrotyloma uniflorum) domestication documented through synchrotron tomography of archaeological seeds

Figure 2

(a) SEM of archaeological horsegram (from Sanganakallu) showing a radially fractured seed coat, (b,c) modern horsegram collected from Dharwad Market, India by author (DQF), a cross section showing cotyledons and seed coat, (df) examples of HRXCT images of archaeological horsegram including (d) Domesticated type from the site of Paithan dating to 0–400 AD (Lab code 70019) (e) Thicker wild type from the site of Hallur dating to 1,900 BC (Lab code 70018) (f) Semi-thin grade from the site of Sanganakallu dating to 1,400–1,250 BC (Lab code 70051).

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