YAO Xing-wei,NIU Guo-bao,DAN Xiao-zheng,et al.Resistance Test of Black Rot in Cauliflower at Seedling Stage[J].HEILONGJIANG AGRICULTURAL SCIENCES,2018,(08):39-42.[doi:DOI:10.11942/j.issn1002-2767.2018.08.0039]
花椰菜苗期黑腐病抗病性鉴定
- Title:
- Resistance Test of Black Rot in Cauliflower at Seedling Stage
- Keywords:
- cauliflower; block rot; seeding stage; resistance test
- 文献标志码:
- A
- 摘要:
- 为筛选花椰菜抗黑腐病材料，进而培育抗黑腐病的花椰菜品种，选取45份花椰菜纯合自交系，在幼苗4～5片真叶时进行活体接种试验，于5 d后调查病情指数。结果表明：材料EC-458对黑腐病表现高抗；另外12份材料对黑腐病表现抗性；其余材料黑腐病抗性一般。通过苗期黑腐病抗病性鉴定，筛选得到1份高抗黑腐病花椰菜育种材料。
- Abstract:
- Black rot is considered to the one of the most destructive disease of cauliflower,which has a serious effect on cauliflower production.In order to screen out the resistant materials to black rot and breed resistant cauliflower varieties.We chose 45 cauliflower pure lines,identified the resistance of black rot in vivo inoculated on cauliflower leaves,and tested the disease index of black rot after 5 days.The result showed that EC458 showed a high resistance,other 12 cauliflower materials showed resistance,and the rest of them were sensitive to the black rot.The disease resistant cauliflower material will be very useful for breeding new cauliflower variety of good quality and wide adaption.
参考文献/References:
［1］Mdeyer D,Lauber E,Roby D,et al.Optimization of pathogenicity assays to study the Arohidopsis thaliana Xanthomonas campestris pv.canpestris pathosystem[J].Molecular Plant Pathology,2005,6(3):327-333.
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备注/Memo
收稿日期：2018-05-11