WANG Li chun.Resistance Evaluation of Wild Potato Germplasm Resource Against Leptinotarsa decemlineata[J].HEILONGJIANG AGRICULTURAL SCIENCES,2014,(05):13-16.
马铃薯野生资源材料对甲虫的抗性评价
- Title:
- Resistance Evaluation of Wild Potato Germplasm Resource Against Leptinotarsa decemlineata
- 文章编号:
- 1002-2767(2014)05-0013-04
- Keywords:
- potato; Leptinotarsa decemlineata; wild resources; insect resistance
- 分类号:
- S435.32
- 文献标志码:
- A
- 摘要:
- 为了改良马铃薯栽培种对甲虫的抗性,在新疆马铃薯甲虫自然为害条件下,选择马铃薯甲虫高发地块,对马铃薯的5个原始栽培种、野生种的34份材料采用盆栽方式进行甲虫田间抗性评价。结果表明:通过鉴定试验发现34份鉴定材料的甲虫抗性在种间差别较大,种内的各材料在抗性水平上同样存在较大差异,这种差异可能源于遗传变异。S.pinnatisectmum和S.microdontum两个野生种田间具有抗虫性,并从其中共筛选出6份抗虫材料,这将为今后开展抗虫资源材料改良,合理利用野生资源进行抗虫育种提供材料保障。
- Abstract:
- In order to improve the resistance of potato cultivar against Leptinotarsa decemlineata,34 varieties from five original cultivars and wild species were identified for resistance against Leptinotarsa decemlineata using naturally induced methods in the plot of Xinjiang where Leptinotarsa decemlineata occured seriously.The results showed that 34 varieties had great differences on resistance levels for intraspecific and interspecific,that may be due to genetic variation.6 varieties were selected from S.pinnatisectmum and S.microdontum which had insect resistance.It would provide material guarantee for the improving of insect resource materials in the future and the developing of breeding work using wild resources reasonably.
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备注/Memo
基金项目:“十二五”国家科技支撑计划资助项目(2012BAD02B05);齐齐哈尔市科技攻关资助项目(NYGG-201201) 作者简介:王立春(1978-),男,黑龙江省绥化市人,硕士,助理研究员,从事马铃薯遗传育种研究。E-mail:potato2008@126.com。