利用分子标记技术对玉米自交系子粒油分的改良研究
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鲁守平,张华,孟昭东,穆春华
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Improvement of Grain Oil Content in Maize Inbred Lines by Molecular Markering Technology
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Shouping Lu,Hua Zhang,Zhaodong Meng,Chunhua Mu
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表4 各分离世代播种、回交、筛选果穗信息
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Table 4 Information of seeding, backcrossing and screening of ear for each separation generation
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世代
Generation | lx9801 | | lx03-2 | | lx00-1 | 播种粒数/穗
Seeding
number/ear | 回交穗数
Backcross ear
number | 果穗入选率(%)
Ear selection rate | | 播种粒数/穗
Seeding
number/ear | 回交穗数
Backcross ear number | 果穗入选率(%)
Ear selection rate | | 播种粒数/穗
Seeding
number/ear | 回交穗数
Backcross ear number | 果穗入选率(%)
Ear selection rate | | BC1F1 | 290/10* | 280** | - | | 215/10 | 201 | - | | 415/10 | 264 | - | | BC2F1 | 160/14 | 151 | 5.00*** | | 160/17 | 152 | 8.45 | | 220/12 | 218 | 4.54 | | BC3F1 | 370/20 | 290 | 13.24 | | 380/20 | 310 | 13.16 | | 487/20 | 350 | 9.17 | | BC4F1 | 380/20 | 300 | 6.89 | | 281/20 | 200 | 6.46 | | 460/20 | 420 | 5.71 | | BC5F1 | 507/28 | 450 | 9.33 | | 800/36 | 560 | 18.00 | | 373/25 | 340 | 5.95 | | 合计Total | 1 707/92 | 1 471 | 8.62 | | 1 416/103 | 1 423 | 11.52 | | 1 955/87 | 1 592 | 6.34 |
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