Suitable for processing vermicelli are mainly sweet potato varieties with white meat, which have high starch content and higher yield than red meat or yellow meat. Excellent varieties are:

1, 868, drought-resistant and barren. Under the condition of poor soil quality and severe drought, the yield per mu can reach about 3000 kg, and the starch content is 26-30%.

2. 96 108, the yield of spring potato is 7000~8000 kg, and that of summer potato is 4000 kg, with a drying rate of 34-37%.

3. American HAS9408, the yield per mu of spring potato is 6000 kg, and that of summer potato is 4000 kg, and the drying rate is about 35%.

4. The yield of Ji potato is 190, and the yield of spring potato is generally 6500 kg, and the highest yield can reach 12500 kg.

5, Pingfeng 1, the yield per mu of spring potato can reach 1 1000 kg, the yield per mu of summer potato can reach 8000 kg, the drying rate is 34-40%, and the starch content is more than 22%.

6. Yushuwang, the yield of spring potato is more than 5000 kg per mu, the drying rate is more than 37%, and the starch content can reach 28%.