甘薯黑斑病

药剂浸薯秧防治甘薯黑斑病的研究

On the control of the black rot of sweet potato seedlings

棉苗病害防除试验药剂浸薯秧防治甘薯黑斑病的研究

Studies on the control of the diseases of cotton seedlings on the control of the black rot of sweet potato seedlings

甘薯黑斑病抗性鉴定方法研究

Study on the appraisal methods of resistance to black spot of sweet potato

甘薯黑斑病抗性鉴定不同分级方法效果研究

The study for the effect of resistance appraisal to cercospora black spot by different grade methods in sweet potatoes

采用二级抽样方案设计和相应的统计分析方法，研究甘薯黑斑病抗性鉴定的薯块抽样方法，以提高鉴定方法的准确性和稳定性。

Sampling method of sweet potato tuberous roots for testing their resistance to black rot was studied with two-stage-sampling design and corresponding statistic analysis in order to increase the accuracy and stability of the test method .

相关分析显示，甘薯品种抗黑斑病性与其它主要经济性状间没有相关关系。

Results of correlation analysis indicated that there was not any correlation between resistance to black rot of varieties and its main economic characters .