Fig. 7

Expression patterns of MeAMY and MeBAM genes of cassava under drought stress. a: expression patterns in leaves; b: expression patterns in stems; c: expression patterns in roots. Expression levels were determined using qRT-PCR and calculated using the 2^−ΔΔCt method under the control of the actin housekeeping gene. Different letters indicate significant differences among different treatments of cassava (P < 0.05). CK, well watering; MD, the moderate drought; HD, the severe drought treatment