Fig. 1From: Mapping and validation of a major QTL for primary root length of soybean seedlings grown in hydroponic conditionsComparison of root architecture between Fendou 16 and K099 grown in hydroponic conditions after 2 weeks of emergence (a), and difference in primary root development between Fendou 16 and K099 at different times after emergence (b). Error bars indicate standard deviation (SD; n = 8). **P < 0.01 (Student’s t-test)Back to article page