Figure legends:
Fig. 1. Insensitve (S0-50) and sensitve (S0-0) alfalfa plants to ABA
during seed germination and detached leaf stomatal movement assay.
Fig. 2. S0-50 plant showed improved drought tolerance.
Fig. 3. Phenotype comparison of S1-0 and S1-50 alfalfa seedlings after
PEG treatment.
Fig. 4. ABA content of four-month-old S0 plant leaves and seven-day-old
S1 seedlings before and after 15% PEG6000 treatment.
Fig. 5. Gene expression tests of second internode leaves from
four-month-old S0-0 and S0-50 alfalfa after PEG treatment.
Fig. 6. Overexpressing AtSOAR1 reduced alfalfa ABA sensitivity.
Fig. 7. Overexpression of AtSOAR1 enhanced drought tolerance of
alfalfa transgenic plants (TGs).
Fig. 8. Expression of ABA-dependent and ABA-independent drought response
genes in WT and AtSOAR1 alfalfa transgenic plants.
Supplymentary data
Table S1 Phenotype comparison of four-month old S0-50 and S0-0 plants.
Table S2 The primers used in the study.
Fig. S1. S1 seeds germination and phenotype comparison of S1 seedlings.
Fig. S2. Generation and verification of overexpression AtSOAR1transgenic alfalfa plants (TGs).