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Table 3 Marker-free transformation of two R genes ( Rpi-vnt1.1:Rpi-sto1 ) to different potato varieties; Identification of PCR-positive shoots in different time ranges after marker-free transformation

From: Development of late blight resistant potatoes by cisgene stacking

Variety 31-50 days 51-70 days 71-90 days 91-110 days 111-130 days Total
Atlantic 4/197 4/174 4/111 0/15 0/0 12/497
Bintje 2/199 3/194 1/165 0/32 0/0 6/590
Potae9 4/183 2/143 1/78 0/24 0/0 7/428
  1. Number of PCR-positive shoots carrying both Rpi-sto1 and Rpi-vnt1.1 over the number of tested shoots.