近十年来参加江西省棉花区试品种的抗病性分析

通过对江西省2010~2019年207份材料抗枯萎病性分析及对2016~2019年87份材料的抗黄萎病性分析,鉴定结果表明,参试品种的抗枯萎病性水平较高,近10年来高抗以及抗病品种占总参试品种的37.20%,且抗枯萎病性总体呈上升趋势;参试品种的抗黄萎病性水平较低,近4年来抗病品种占参试品种的17.24%,缺乏高抗品种,但近两年来对黄萎病抗性水平总体呈增强趋势。共筛选出5个对枯萎病和黄萎病兼抗的品种。

Analysis on the Disease Resistance of Cotton Varieties Participated in the Regional Test of Jiangxi Province in the recent ten Years

Through the analysis of the anti-fusarium wilt of 207 materials in Jiangxi Province from 2010 to 2019 and the analysis of the anti-verticillium wilt disease of 87 materials in 2016-2019,the identification results showed that the anti-fusarium wilt level of the participating varieties was high,the high resistance and disease-resistant varieties accounted for 37.20%of the total participating varieties in 10 years,and the overall resistance to withering disease showed an upward trend;the tested varieties have a low level of resistance to verticillium wilt,and in the past 4 years,the disease-resistant varieties accounted for 17.24%of the tested varieties,a lack of high resistance varieties,but the overall resistance level to verticillium wilt disease in the last 2 years showed an overall upward trend.A total of 5 varieties resistant to fusarium wilt and verticillium wilt were screened out.