甘薯病毒病发生关键因素研究

赵付枚,王爽,田雨婷,乔奇,王永江,张德胜,张振臣

An Investigation into Key Factors Influencing the Occurrence of Virus Disease in Sweet Potato

ZHAO FuMei,WANG Shuang,TIAN YuTing,QIAO Qi,WANG YongJiang,ZHANG DeSheng,ZHANG ZhenChen

表4 2018年田间烟粉虱发生量和SPCSV带毒率与种薯带毒率之间的关系

Table 4 Relationship between number and SPCSV-carrying rate of B. tabaci and SPCSV-carrying rate of storage roots in 2018

试验地点 Test site 经纬度 Geographic location 9月28日平均烟粉虱数量（头/黄板） Mean number of B. tabaci 烟粉虱SPCSV带毒率 SPCSV-carrying rate of B. tabaci (%) 种薯SPCSV带毒率 SPCSV-carrying rate of storage roots (%) 原阳试验点 Yuanyang N35°0′35″,E113°42′31″ 276.2 3.0 30.4 延津试验点 Yanjin N35°15′56″,E114°11′57″ 376.8 4.0 47.7 银川试验点 Yinchuan N38°25′55″,E106°02′28″ 80.6 0 14.8