In recent years, tomato ty virus has been rampant in Guanzhong area of Shaanxi Province, and many varieties resistant to ty virus have also been seriously infected in summer and autumn stubbles, As a result, the tomato cultivation area of autumn extended arch shed stubble in this region has decreased sharply (for example, there are basically no vegetable farmers dare to plant tomatoes in summer and autumn arch shed stubble in Jingyang County, and the tomato cultivation area of summer and autumn arch shed in Yangling District is less than 20% of the original this year). The planting time of autumn extended greenhouse tomatoes has been forced to be postponed from the original mid August to after September 1.

The severe ty virus made the tomato industry in our province face great challenges, which attracted the great attention of relevant provincial and municipal departments. Therefore, under the leadership of Shaanxi Horticultural Station and Shaanxi Institute of agricultural biology, with the participation of agricultural technology extension departments of cities and counties and Xi'an Jinpeng seedling Co., Ltd., this "observation meeting of new tomato anti ty varieties" was organized on October 26-27, 2017, After many on-site investigations by experts, technicians and vegetable farmers in Yangling and Jingyang, new tomato varieties with high resistance to ty disease such as Jinpeng 14 series and Jinpeng Qiusheng were selected. These varieties not only have outstanding resistance to ty virus, but also have many gags, high fruit setting rate and good fruit type at high temperature, which were unanimously recognized by the participating experts and vegetable farmers.