a b

DNAcontamination

Fig.1S

Fig. 2S

b

D/5-1

C/3-1

aD/2-1 A/2-1 B/1-1

Fig. 3S

0

20

40

60

80

100

Antioxidants

Exp

lant

s w

ith G

US

exp

ress

ion

(%)

0 100mg/l 200mg/l 300mg/l 400mg/l