Experts from the Provincial Crop Institute recommend sweet potato varieties suitable for planting in spring, summer and autumn

Sweet potatoes can be planted in spring, summer and autumn. Spring planting is usually planted from March to April, summer planting is usually planted in May, and autumn planting is planted within a week after the Beginning of Autumn. Here are several sweet potato varieties suitable for planting in our province.

Golden leaf: a new variety of sweet potato for stem tip, which has tender stem tip, low crude fiber content and good palatability after ripening, so it is suitable for vegetable use. Using open field cultivation, the stem tip can be picked about 10 times during the whole growing period, each time 667 square meters can be picked 250 kg, and the picking interval is 15 days. About 1000 kilograms of potato can be harvested with 667 square meters. It can be potted, generally, each pot can be picked about 5 grams of stem tip, 7 Murray picked once every 10 days. Strong disease resistance, no need to apply pesticides. The leaf shape of this variety is deeply engraved, the top leaf is light green, the leaf is green, and the leaf is medium size. Veins green and purplish. The stem is green. The handle base is purple. Medium and short vine type. The stem is about 0.61 cm in diameter. The potato pieces are spun in shape, red in skin and white in flesh. The stem tip is tender, less crude fiber, rich in nutrition, good palatability after ripening, no bitter taste. After cooking, it tastes delicious and is the first-class dish of hotels and hotels. This variety generally produces 2500-3000 kg stem tip per mu.

Purple golden potato: sweet potato meat is purple sweet potato variety. Purple sweet potato is rich in minerals, the content of calcium is five times higher than that of potatoes, and the content of magnesium is three times that of carrots. This variety contains many vitamins. The content of vitamin E is higher than that of pumpkin. Purple sweet potato is rich in anthocyanins and other substances, which has strong antioxidant and carcinogenic effects, prevention of liver dysfunction, prevention of hypertension and other functions. Purple golden potatoes generally yield about 2500 kilograms per mu.

YS86, YS13 high starch varieties: potato block drying rate 33% 35%, starch content 23% 25%. Generally, the yield of fresh potato is about 3000 kg per mu, and the high-yield cultivation can reach 3000kg to 3500kg per mu.

Xiangshu No. 15: special variety for processing preserved potato. In 2001, he won the third prize of provincial scientific and technological progress. The potato pieces are spun in shape, the skin is yellow and reddish, the meat is orange, there are 3 or 4 tubers per plant, the rate of large and medium potatoes is 95%, and the quality is good. The drying rate of potato chips is 25%. Resistant to storage, resistant to potato blast and black spot. The average yield per mu is 2500 to 3000 kilograms. The preserved potato processed with this variety has the advantages of plump, non-cracking, natural color, bright color and rich nutrition.

Xiangshu 16: a new sweet potato variety with high yield and disease resistance. In 2003, he won the third prize of provincial scientific and technological progress. The top leaves of this variety are light green, the leaves are green, the veins are purple, and the leaves are heart-shaped. Medium vine type, green stem, 5 branches and 7 branches per plant. The tubers were early and neatly concentrated, and there were 3 and 4 tubers per plant. The potato piece is spun in shape, the potato skin is ginger, and the potato meat is yellow and white. Resistance to potato blast. The drying rate of potato chips is 28.5%. Generally, the yield of fresh potato is about 3000 kg per mu, and the high-yield cultivation can reach 4000 kg.

Fruit sweet potato: a new variety of sweet potato that can be eaten raw as fruit. The potato meat is white, tastes like a pear, crisp and refreshing, sweet and moisturizing the lungs. Rich in vitamin C, minerals and other nutrients. The potato pieces are spun in shape, red in skin and white in flesh. Generally, the yield of fresh potato per mu is about 3000 kg, and the planting benefit is good.

Golden: new varieties for food and food processing. This variety is medium vine type. Apical leaves light green, leaves green, veins purple. Leaf blade heart-shaped. The stem is green. There are 5-7 branches per plant. The tubers were early and neatly concentrated, and there were 4 and 5 tubers per plant. The potato piece is spun in shape, the potato skin is yellow, the potato meat is orange, and the rate of commercial potato is high. It is suitable for processing preserved potato with low crude fiber content and excellent taste of cooked food. The drying rate of potato pieces is about 29%, the yield of fresh potato is about 2800 kg per mu, and the high yield can reach 3480 kg.