Crops ›› 2018, Vol. 34 ›› Issue (2): 1-5.doi: 10.16035/j.issn.1001-7283.2018.02.001

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Registration of Main Rice Varieties and Its Application in Recent 30 Years in China

Zeng Bo1,Sun Shixian1,Wang Jie2   

  1. 1 National Agricultural Technology Extension and Service Center, Beijing 100125, China
    2 Institute of Crop Sciences, Chinese Academy of Agricultural Sciences, Beijing 100081, China
  • Received:2017-09-05 Revised:2018-02-07 Online:2018-04-20 Published:2018-08-27

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Abstract:

A comprehensive analysis of national main rice varieties approval status and planting area in 1985-2015 was conducted. The result showed: (1) the number of approved rice varieties continues to grow rapidly, (2) the number and area of both main cultivated cultivars and dominant varieties were decreasing, (3) the concentration degree of variety decreased significantly, (4) the development of the conventional rice varied in different regions, while hybrid rice has achieved rapid development nationwide. The factors affecting the quantity, distribution and structure of rice varieties were analyzed, and issues on breeding and popularization of rice varieties were discussed.

Key words: Rice, Main varieties, Registration, Popularization

Table 1

Number of approved rice varieties of different types (1991-2015)"

类型
Type		 1991-1995年 1996-2000年 2001-2005年 2006-2010年 2011-2015年
年均品种数
Average annual varieties		 所占比
例(%)
Percentage		 年均品种数
Average annual varieties		 所占比
例(%)
Percentage		 年均品种数
Average annual varieties		 所占比
例(%)
Percentage		 年均品种数
Average annual varieties		 所占比
例(%)
Percentage		 年均品种数
Average annual varieties		 所占比
例(%)
Percentage
籼型常规水稻
Indica conventional rice		 37.2 34.3 33.4 20.1 40.6 12.1 42.6 7.7 35.6 7.9
粳型常规水稻
Japonica conventional rice		 44.6 41.1 55.8 33.6 96.0 28.7 111.8 20.2 94.6 21.1
常规水稻
Conventional rice		 81.8 75.4 89.2 53.7 136.6 40.8 154.0 27.8 130.2 29.0
籼型杂交水稻
Indica hybrid rice		 23.6 21.8 72.8 43.8 182.4 54.5 379.6 68.4 303.2 67.5
粳型杂交水稻
Japonica hybrid rice		 3.0 2.8 4.2 2.5 15.8 4.7 24.0 4.3 15.8 3.5
杂交水稻
Hybrid rice		 26.6 24.6 77.0 46.3 198.2 59.2 400.8 72.2 319.0 71.0
籼型水稻
Indica rice		 60.8 56.1 106.2 63.9 223.0 66.6 419.6 75.6 336.8 75.4
粳型水稻
Japonica rice		 47.6 43.9 60.0 36.1 111.8 33.4 136.0 24.5 110.4 24.6
合计Total 108.4 - 166.2 - 334.8 - 555.6 - 447.2 -

Fig.1

Number of main rice varieties (1985-2015)"

Fig.2

Promotion area of main rice varieties yearly (1985-2015)"

Fig.3

Number of main rice cultivated varieties (1985-2015)"

Table 2

Promotion area of main rice cultivated varieties (1986-2015)"

类型Type 七五
(1986-1990)		 八五
(1991-1995)		 九五
(1996-2000)		 十五
(2001-2005)		 十一五
(2006-2010)		 十二五
(2011-2015)
常规水稻Conventional rice (×104hm2) 4 007.0 2 340.0 2 280.0 1 812.0 1 812.0 2 949.0
占同期常规水稻比率Proportion of conventional rice in the same period (%) 65.6 55.1 50.3 47.4 38.7 54.6
杂交水稻Hybrid rice (×104hm2) 4 903.0 6 110.0 5 811.0 4 877.0 3 130.0 1 994.0
占同期杂交水稻比率Proportion of hybrid rice in the same period (%) 93.9 89.7 80.1 68.1 41.3 30.8

Table 3

Annual promotion area of rice varieties more than 67×104hm2"

类型Type 七五(1986-1990) 八五(1991-1995) 九五(1996-2000) 十五(2001-2005) 十一五(2006-2010) 十二五(2011-2015)
年均品种数
Annual
varieties		 年均总面积
Annual total area (×106hm2)		 年均品种数
Annual varieties		 年均总面积
Annual total area (×106hm2)		 年均品种数
Annual varieties		 年均总面积
Annual total area (×106hm2)		 年均品种数
Annual varieties		 年均总面积
Annual total area (×106hm2)		 年均品种数
Annual varieties		 年均总面积
Annual total area (×106hm2)		 年均品种数
Annual varieties		 年均总面积
Annual total area (×106hm2)
常规水稻
Convention rice		 1.4 1.54 0.2 0.20 0 0 0.8 0.60 0.4 6.70 0.8 0.74
杂交水稻
Hybrid rice		 5.0 7.84 3.4 7.37 2.6 4.02 1.0 0.74 0.2 0.15 0 0
合计Total 6.4 9.38 3.6 7.57 2.6 4.02 1.8 1.34 0.6 0.52 0.8 0.74

Fig.4

Number of rice dominant varieties (1985-2015)"

Table 4

Promotion of conventional rice varieties in main application provinces (2006-2015) ×104hm2"

省份
Province		 2006-2010 2011-2015
常规水稻
Conventional rice		 杂交水稻
Hybrid rice		 小计
Total		 常规水稻
Conventional rice		 杂交水稻
Hybrid rice		 小计
Total
黑龙江Heilongjiang 1 167 0 1 167 1 850 0 1 850
江苏Jiangsu 914 139 1 053 955 85 1 040
湖南Hunan 414 1 121 1 535 587 1 168 1 755
广东Guangdong 317 456 773 286 414 700
吉林Jilin 282 0 282 254 0 254
安徽Anhui 243 771 1 015 279 711 990
浙江Zhejiang 234 179 413 206 146 352
辽宁Liaoning 238 6 243 183 0 183
湖北Hubei 174 862 1 036 156 771 927
江西Jiangxi 141 1 307 1 448 265 907 1 172
合计Total 4 124 4 841 8 965 5 021 4 202 9 223

Table 5

Promotion of hybrid rice varieties in main application provinces (region) (1986-2015) ×104hm2"

省（区）
Province (Region)		 湖南
Hunan		 四川
Sichuan		 江西
Jiangxi		 湖北
Hubei		 广西
Guangxi		 安徽
Anhui		 广东
Guangdong		 福建
Fujian		 江苏
Jiangsu		 浙江
Zhejiang
七五(1986-1990) 962 993 526 517 427 368 453 343 468 280
八五(1991-1995) 1 140 1 222 593 610 779 498 300 324 444 286
九五(1996-2000) 1 110 1 003 900 613 796 547 408 354 288 333
十五(2001-2005) 1 118 865 1 186 685 629 712 370 326 169 186
十一五(2006-2010) 1 121 839 1 307 862 660 771 456 290 139 179
十二五(2011-2015) 1 168 783 907 771 461 711 414 246 85 146
合计Total 6 619 5 704 5 419 4 058 3 752 3 607 2 403 1 882 1 593 1 408
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