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| 利用体细胞杂交获取马铃薯软腐病的抗性 | |
| 引用本文： | 司怀军,张宁,王蒂,Conner A J.利用体细胞杂交获取马铃薯软腐病的抗性[J].中国马铃薯,2006,20(4):193-197. |
| 作者姓名： | 司怀军 张宁 王蒂 Conner A J |
| 作者单位： | 1. 甘肃农业大学生命科学技术学院,甘肃,兰州,730070 2. 甘肃农业大学农学院,甘肃,兰州,730070 3. Lincoln University,Christchurch,New Zealand |
| 摘 要： | 对马铃薯四倍体栽培种和二倍体野生种Solanumbrevidens的体细胞杂种通过叶片离体培养获得的四倍体植株,以及用四倍体栽培种进行回交获得的五倍体植株的块茎对软腐病的抗性进行了测定。结果表明,由体细胞杂种通过叶片组织离体培养再生植株中,有一个株系SC107对软腐病菌Erwiniacarotovora具有较强的抗性。在用不抗软腐病的马铃薯栽培种对体细胞杂种进行回交获得的杂种后代中,大部分株系对软腐病菌具有高水平的抗性,从而说明Solanumbrevidens对软腐病的抗性基因已转移到马铃薯栽培种。 |
| 关 键 词： | 马铃薯 体细胞杂交 软腐病 Solanumbrevidens |
| 文章编号： | 1672-3635（2006）04-0193-05 |
| 收稿时间： | 2005-12-29 |
| 修稿时间： | 2005-12-29 |
Transfer of Tuber Soft Rot Resistance from Solanum brevidens into Cultivated Potato by Somatic Hybridization |
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| Si Huaijun,Zhang Ning,Wang Di,Conner A J.Transfer of Tuber Soft Rot Resistance from Solanum brevidens into Cultivated Potato by Somatic Hybridization[J].Chinese Potato,2006,20(4):193-197. | |
| Authors: | Si Huaijun Zhang Ning Wang Di Conner A J |
| Institution: | 1. College of Life Science and Technology, Gansu Agricultural University, Lanzhou, Gansu 730070, China; 2. College of Agronomy, Gansu Agricultural University, Lanzhou, Gansu 730070, China; 3. Lincoln University, Christchurch, New Zealand |
| Abstract: | Resistance to potato soft rot caused by Erwinia carotovora was tested for tubers of tetraploid potatoes derived from leaf tissue culture of somatic hybrids between tetraploid cultivated potato and diploid wild potato Solanum brevidens, and pentaploid potatoes derived from backcross of the somatic hybrids and tetraploid potatoes. The results showed that the plant line SC107 regenerated from leaf tissue culture of somatic hybrids had higher resistance to potato soft rot. Most of the backcrossed progenies developed from cross of somatic hybrids and a susceptible cultivated potato showed high levels of tuber soft rot resistance. The results demonstrated that resistance to potato soft rot was transferred from Solarium brevidens to the cultivated potatoes. |
| Keywords: | Solanum brevidens |
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