High-resolution mapping and breeding application of a novel brown planthopper resistance gene derived from wild rice (Oryza. rufipogon Griff)

Rice

Table 4 Agronomic traits of recurrent parents and breeding lines

Lines^a	Plant height (cm)	Number of effective panicle per plant	Number of grains per panicle	Setting rate (%)	1000-grain weight (g)
9311	108.6 ± 0.70	8.7 ± 0.37	168.9 ± 5.06	84.7 ± 1.53	27.8 ± 0.35
BR1693	106.9 ± 0.92	8.5 ± 0.44	176.8 ± 4.15	84.0 ± 1.28	25.4* ± 0.16
MH511	96.4 ± 2.21	6.9 ± 0.57	141.6 ± 5.06	86.4 ± 2.15	21.3 ± 0.23
BR1658	95.4 ± 1.15	7.0 ± 0.42	139.7 ± 7.46	85.1 ± 1.56	21.6 ± 0.37
BR1660	94.9 ± 1.76	6.8 ± 0.52	141.8 ± 5.24	84.8 ± 1.72	20.9 ± 0.68

^a9311 and MH511 were the susceptible parents; BR1693 was the highly BPH resistance line with 9311 genetic background; BR1658 and BR1660 were the highly BPH and bacterial blight resistance lines with MH511 genetic background. *P < 0.05 derived from one-way ANOVA with LSD test