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Root length of overexpressed and wild-type Arabidopsis. (A) Observation on root length of overexpressed TaEXPA4-A/B/D, TaEXPA7-A/B/D, TaEXPA8-B/D and TaEXPA19-A/D genes and wild-type Arabidopsis; bar = 1.5 cm. (B) Statistics on root length of overexpressed TaEXPA4-A/B/D, TaEXPA7-A/B/D, TaEXPA8-B/D and TaEXPA19-A/D genes and wild-type Arabidopsis. The letters (a–d represent significant differences according to Tukey’s test (p < 0.05).
