恩施州不同马铃薯主栽品种田间病毒病抗性

Field virus resistance of different potato main cultivars in Enshi prefecture

以恩施州马铃薯10个主栽品种米拉、鄂马铃薯10号、鄂马铃薯12号、鄂马铃薯13号、鄂马铃薯14号、鄂马铃薯16号、鄂马铃薯17号、中薯5号、费乌瑞它、南中101的脱毒原种为研究对象,以农户未脱毒的自留种米拉为对照,研究了不同品种的田间抗性情况,对其进行田间病毒抗性鉴定、血清学检测和产量测定。结果表明,鄂马铃薯13号表现为零星发病,轻度卷叶,田间检测发病率最低,为7.78%,平均产量最高,为88.8 t/hm^(2),ELISA检测感PLRV 1种病毒;对照当地农户未脱毒的自留种米拉发病较为严重,表现为叶片严重花叶和卷叶,田间发病率最高,为96.67%,平均产量最低,为24.3 t/hm^(2),ELISA检测感PLRV、PVA、PVM、PVS 4种病毒,鄂马铃薯13号可初步定为抗性优质品种来示范和推广。

The first ten main varieties of potato in Enshi prefecture,including Mila,E potato 10,E potato 12,E potato 13,E potato 14,E potato 16,E potato 17,Zhongshu 5,Feurita and Nanzhong 101,were used as the research objects,the self-retained species Mira was used as the control,which was not virus-free.The field resistance of different varieties was studied,and the field virus resistance identification,serological detection and yield determination were carried out.The results showed that E potato 13 showed sporadic disease and mild leaf rolling.The field detection rate was the lowest,which was 7.78%,the average yield was 88.8 t/hm^(2),and PLRV was detected by ELISA.In contrast,the local self-kept agricultural not virus-free variety Mira had the most serious disease,showing serious leaf Mosaic and rolling leaves,with the highest incidence detection rate of 96.67%,and the lowest average yield was 24.3 t/hm^(2),and ELISA detected PLRV,PVA,PVM,PVS four viruses.E potato 13 can be preliminarily designated as resistant and high quality variety for demonstration and promotion.