Improvement of bacterial blight and brown planthopper resistance in an elite restorer line Huazhan of Oryza
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文摘

We pyramided Xa23, Bph14 and Bph15 genes into an elite restorer line Huazhan.

All improved lines with these three genes had high-level resistance to BB & BPH.

Most of their derived hybrids with TianfengA had high-level resistance to BB & BPH.

TianfengA/R43-06 and TianfengA/R43-07 had higher yield potential than the control.

These two hybrids could replace Tianyouhuazhan in BB and/or BPH epidemic areas.

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