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Table 1 List of three advanced backcross breeding lines, check varieties and recurrent and donor parents used in this study

From: Development of breeding lines with three pyramided resistance genes that confer broad-spectrum bacterial blight resistance and their molecular analysis in rice

Cultivar/breeding line Description (generaton)z Cross Gene Remarks
Mangeumbyeo Recurrent parent Milyang71/Saikai PL1 Unknown Korean elite japonica variety
IRBB57 Donor parent IR24/Xa4 + xa5 + Xa21 Xa4 + xa5 + Xa21 Multi-R-gene NILs (indica)
SR30075-1-1-13-3-1-26-1 ABL4225 (BC3F5) Mangeumbyeo*4/IRBB57 Xa4 + xa5 + Xa21 Mangeumbyeo genetic background
SR30075-1-1-13-40-1-26-1 ABL4228 (BC3F5) Mangeumbyeo*4/IRBB57 Xa4 + xa5 + Xa21 Mangeumbyeo genetic background
SR30075-2-1-3-25-1-1-1 ABL4242 (BC3F5) Mangeumbyeo*4/IRBB57 Xa4 + xa5 + Xa21 Mangeumbyeo genetic background
IRBB4 Check IR24/TKM6 Xa4 Near-isogenic line for BB (indica)
IRBB5 Check IR24/DZ192 xa5 Near-isogenic line for BB (indica)
IRBB21 Check IR24/O. longistaminata Xa21 Near-isogenic line for BB (indica)
  1. z ABL: advanced backcross breeding lines having Xa4 + xa5 + Xa21 genes.