Rice Science ›› 2022, Vol. 29 ›› Issue (3): 216-224.DOI: 10.1016/j.rsci.2021.08.003
• Review • Previous Articles Next Articles
Yang Ziyi1, Xu Zhijian2, Yang Qingwen1(
), Qiao Weihua1()
Received:2021-04-20
Accepted:2021-08-02
Online:2022-05-28
Published:2022-03-10
Contact:
Yang Qingwen, Qiao Weihua
Yang Ziyi, Xu Zhijian, Yang Qingwen, Qiao Weihua. Conservation and Utilization of Genetic Resources of Wild Rice in China[J]. Rice Science, 2022, 29(3): 216-224.
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Fig. 1. Wild rice species and distributions in China. A-F, Chinese wild rice in its original habitats. A, O. rufipogon population; B, O. rufipogon single plant; C, O. officinalis population; D, O. officinalis single plant; E, O. meyeriana population; F, O. meyeriana single plant. G, Distribution map of three species of Chinese wild rice, 23 critically endangered wild rice populations in in situ conservation sites are shown as black triangle, and the red inverted triangle represents for diversity center of Chinese wild rice. Pu’er wild rice population in Yunnan Province, and Dongxiang wild rice population in Jiangxi Province grow at the highest altitude (1 068 m) of O. meyeriana and the northernmost location (28º14′ N) of O. rufipogon in the world, respectively. H, Dongxiang wild rice shows extreme cold tolerance. I, Assessment of in situ conservation of Dongxiang wild rice. Ho, Observed heterozygosity; I, Shannon’s information index.
Fig. 2. Status of Chinese wild rice conservation. A, Comparison of the first and the second nationwide wild rice field survey programs. B, Wild rice distribution sites in China in 1982 and 2013. Red circles indicate each wild rice distribution site. C, Comparison of numbers of original wild rice habitat sites between the first (original recorded) and the second (existing) nationwide field surveys. D, Number of wild rice resources conserved by China, other countries and the International Rice Research Institute (IRRI).
| Gene/QTL | Chr | ID | Agronomic trait | Germplasm with superior allele | Reference |
|---|---|---|---|---|---|
| Xa23 | 11 | Os11g0586701 | Broad-spectrum disease resistance | O. rufipogon | Wang et al, |
| Xa29(t) | 1 | - | Resistant to bacterial blight | O. officinalis | Tan et al, |
| Xa30(t) | 11 | - | Resistant to bacterial blight | O. rufipogon | Jin et al, |
| xa32(t) | 12 | - | Resistant to bacterial blight | O. meyeriana | Ruan et al, |
| Pi-gx(t) | 2 | - | Rice blast resistance | O. rufipogon | Yan et al, |
| bls1 | 6 | - | Bacterial leaf streak resistance | O. rufipogon | He et al, |
| bph20(t) | 6 | - | Resistant to brown planthopper | O. rufipogon | Yang et al, |
| bph21(t) | 4 | - | Resistant to brown planthopper | O. rufipogon | Yang et al, |
| bph22(t) | 4 | - | Resistant to brown planthopper | O. rufipogon | Hou et al, |
| bph23(t) | 8 | - | Resistant to brown planthopper | O. rufipogon | Hou et al, |
| Bph27 | 4 | - | Resistant to brown planthopper | O. rufipogon | Li C B et al, |
| An-1 | 4 | Os04g0350700 | Regulate awn development, grain size and grain number | O. rufipogon | Luo et al, |
| GAD1 | 8 | Os08g0485500 | Regulate grain number, grain length and awn development | O. rufipogon | Jin et al, |
| OsLG1 | 4 | Os04g0656500 | Inflorescence architecture, closed panicle | O. rufipogon | Zhu et al, |
| LABA1/An-2 | 4 | Os04g0518800 | Awn development | O. rufipogon | Hua et al, |
| NOG1 | 1 | Os01g0752200 | Increase the grain yield of rice | O. rufipogon | Huo et al, |
| GIF1 | 4 | Os04g0413500 | Grain size | O. rufipogon | Wang et al, |
| COLD1 | 4 | Os04g0600800 | Cold tolerance | O. rufipogon | Ma et al, |
| bZIP73 | 9 | Os09g0474000 | Cold tolerance | O. rufipogon | Liu et al, |
| CTB4a | 4 | Os04g0132500 | Cold tolerance | O. rufipogon | Zhang et al, |
Table 1. Status of excavation of elite genes in Chinese wild rice.
| Gene/QTL | Chr | ID | Agronomic trait | Germplasm with superior allele | Reference |
|---|---|---|---|---|---|
| Xa23 | 11 | Os11g0586701 | Broad-spectrum disease resistance | O. rufipogon | Wang et al, |
| Xa29(t) | 1 | - | Resistant to bacterial blight | O. officinalis | Tan et al, |
| Xa30(t) | 11 | - | Resistant to bacterial blight | O. rufipogon | Jin et al, |
| xa32(t) | 12 | - | Resistant to bacterial blight | O. meyeriana | Ruan et al, |
| Pi-gx(t) | 2 | - | Rice blast resistance | O. rufipogon | Yan et al, |
| bls1 | 6 | - | Bacterial leaf streak resistance | O. rufipogon | He et al, |
| bph20(t) | 6 | - | Resistant to brown planthopper | O. rufipogon | Yang et al, |
| bph21(t) | 4 | - | Resistant to brown planthopper | O. rufipogon | Yang et al, |
| bph22(t) | 4 | - | Resistant to brown planthopper | O. rufipogon | Hou et al, |
| bph23(t) | 8 | - | Resistant to brown planthopper | O. rufipogon | Hou et al, |
| Bph27 | 4 | - | Resistant to brown planthopper | O. rufipogon | Li C B et al, |
| An-1 | 4 | Os04g0350700 | Regulate awn development, grain size and grain number | O. rufipogon | Luo et al, |
| GAD1 | 8 | Os08g0485500 | Regulate grain number, grain length and awn development | O. rufipogon | Jin et al, |
| OsLG1 | 4 | Os04g0656500 | Inflorescence architecture, closed panicle | O. rufipogon | Zhu et al, |
| LABA1/An-2 | 4 | Os04g0518800 | Awn development | O. rufipogon | Hua et al, |
| NOG1 | 1 | Os01g0752200 | Increase the grain yield of rice | O. rufipogon | Huo et al, |
| GIF1 | 4 | Os04g0413500 | Grain size | O. rufipogon | Wang et al, |
| COLD1 | 4 | Os04g0600800 | Cold tolerance | O. rufipogon | Ma et al, |
| bZIP73 | 9 | Os09g0474000 | Cold tolerance | O. rufipogon | Liu et al, |
| CTB4a | 4 | Os04g0132500 | Cold tolerance | O. rufipogon | Zhang et al, |
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