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. 2025 Jan;23(1):232-234.
doi: 10.1111/pbi.14492. Epub 2024 Oct 24.

Developing super rice varieties resistant to rice blast with enhanced yield and improved quality

Naihui Guo #  1 , Ruihu An #  1 , Zongliang Ren  1 , Jun Jiang  1 , Bonian Cai  1 , Shikai Hu  1 , Gaoneng Shao  1 , Guiai Jiao  1 , Lihong Xie  1 , Ling Wang  1 , Fengli Zhao  1 , Shaoqing Tang  1 , Zhonghua Sheng  1 , Peisong Hu  1
Affiliations

Developing super rice varieties resistant to rice blast with enhanced yield and improved quality

Naihui Guo et al. Plant Biotechnol J. 2025 Jan.
No abstract available

Keywords: Pi2; quality; rice blast; super rice; yield.

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Conflict of interest statement

The authors declare no conflict of interests.

Figures

Figure 1
Figure 1
Generation of a novel super rice for blast resistance by integrating MAS and GSR40K detection. (a) Roadmap of constructing super rice carrying Pi2 for blast resistance. (b) Genetic background purity of ZH261‐Pi2. (c) One pair of SSR marker (RM176) is different between ZH261 and ZH261‐Pi2. (d–e) ZH261, ZH261‐Pi2, HZY261 and HZY261‐Pi2, 7 days post‐inoculation (dpi) with punch inoculation. Bar = 1 cm. (f–g) Basal blast resistance of ZH261, ZH261‐Pi2, HZY261 and HZY261‐Pi2, 7 dpi using spraying inoculation. Bar = 1 cm. (h) Grain numbers per panicle of ZH261 (242), ZH261‐Pi2 (266), HZY261 (226) and HZY261‐Pi2 (305). (i) Tiller numbers per plant of ZH261 (6), ZH261‐Pi2 (10), HZY261 (12) and HZY261‐Pi2 (17). (j) 1000 grain weight of ZH261 (21.4), ZH261‐Pi2 (23.8), HZY261 (22.6) and HZY261‐Pi2 (22.2). (k) Grain yield per plant of ZH261 (25.8), ZH261‐Pi2 (50.8), HZY261 (51.0) and HZY261‐Pi2 (108.2). (l) Length–width ratio of ZH261 (3.9), ZH261‐Pi2 (3.9), HZY261 (3.6) and HZY261‐Pi2 (4.1). (m) Amylose content of ZH261 (16.3%), ZH261‐Pi2 (16.1%), HZY261 (18.1%) and HZY261‐Pi2 (13.9%). (n) Gel consistency of ZH261 (86.3), ZH261‐Pi2 (94.3), HZY261 (85.3) and HZY261‐Pi2 (72.7). (o) Alkali spreading value of ZH261 (7), ZH261‐Pi2 (7), HZY261 (7) and HZY261‐Pi2 (7). In (e), (g) and (h–o) The data are presented as the mean ± SD, P values are indicated by two‐tailed Student's t‐test. *P < 0.05, **P < 0.01 and N.S. = Not significant.
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References

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