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Table 1 Disease resistance evaluation of Xoo strains from different regions. At least 10 leaves of three plants were inoculated for each Xoo strain

From: CRISPR/Cas9-mediated mutation of OsSWEET14 in rice cv. Zhonghua11 confers resistance to Xanthomonas oryzae pv. oryzae without yield penalty

Straina Strain origin Lesion length and disease responseb
Zhonghua 11 CR S14–6c
GD1358 China 8.11 ± 3.86 (MS) 0.26 ± 0.29 (R)
JS49–6 China 11.9 ± 2.50 (S) 0.87 ± 0.72 (R)
HB17 China 19.5 ± 8.23 (S) 1.74 ± 16.1 (R)
HB21 China 15.05 ± 5.85 (S) 0.14 ± 0.06 (R)
HLJ72 China 12.91 ± 4.87 (S) 0.65 ± 0.72 (R)
NX42 China 13.00 ± 7.24 (S) 0.63 ± 0.88 (R)
HN1–2 China 16 ± 5.62 (S) 0.7 ± 1.12 (R)
LC-4 China 17.05 ± 7.26 (S) 1.04 ± 1.25 (R)
IV-1 China 14.64 ± 5.36 (S) 0.43 ± 0.43 (R)
PXO79 Philippines 7.26 ± 2.86 (MS) 0.49 ± 0.42 (R)
PXO86 Philippines 8.17 ± 3.05 (MS) 0.25 ± 0.31 (R)
PXO71 Philippines 8.59 ± 2.94 (MS) 10.27 ± 2.44 (S)
Aust2031 Australia 8.78 ± 5.53 (MS) 0.24 ± 0.25 (R)
T7174 Japan 8.27 ± 8.44 (MS) 0.35 ± 0.28 (R)
A3857 India 10.57 ± 3.21 (S) 10.19 ± 3.61 (S)
A3842 India 10.11 ± 2.47 (S) 11.66 ± 2.48 (S)
  1. aXoo strains were cultivated two days on PSA medium and inoculated on six-week-old rice plants
  2. b Lesions length was scored 14 days after inoculation. R, resistant, lesion length < 3.0 cm; MS, moderately susceptible, 6.0 cm < lesion lenght≤9.0 cm; S, susceptible, lesion length > 9.0 cm
  3. cCR S14–6, one of the homozygous OsSWEET14 knockout mutant in Zhonghua 11 background