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Table 1 The four donors and recurrent parents used in the multiple backcross gene pyramiding

From: Pseudo-backcrossing design for rapidly pyramiding multiple traits into a preferential rice variety

Cultivar/breeding line

Description

Variety type

Cross

Genotype on carrier chromosomes and target gene (s) or QTLs

References

Sub

xa5

Xa21

qBL1

qBL11

Bph3

TPS

Wx

SSiia

Os2AP

Hd1

 

PinK3

High yielding aromatic rice (pseudo-recurrent parent)

RIL

IR71501/(KDMl105/CT9993)

-

-

-

-

-

+

-

+

-

+

+

Rice Science Center (unpublished)

CholSub1

Submergence tolerance aromatic rice with high GT

RIL

IR57514/KDMl105

+

-

-

-

-

-

-

-

+

+

+

Jantaboon et al. 2011

Xa497

BLB resistance aromatic rice

BC2F2

IR62266/KDMl105

-

+

+

-

-

-

-

-

-

+

+

Korinsak 2009

RBPiQ

Blast resistance

RIL

JHN/KDMl105

-

-

-

+

+

-

-

-

-

-

+

Rice Science Center (unpublished)

Bph162

Bph resistance photosensitive rice

BC3F6

Rathu Heenati/KDMl105

-

-

-

-

-

+

+

-

-

-

-

Jairin et al. 2009

  1. + = desirable allele.
  2. - = undesirable allele.