Environmental Variety selection of Mini Sweet Potato

The main contents are as follows: 1. The planting site is selected according to the environmental condition standard of pollution-free food-vegetable producing area. At the same time, the soil is required to be loose Xinkai red soil, yellow soil or sandy flood-drought rotation land, and the soil is somewhat acidic.

2. Variety selection 2.1Jinyu (formerly known as Zhejiang 1257). Bred by Zhejiang Academy of Agricultural Sciences, the skin color is pink, the flesh color is pure yellow, the potato pieces are short and round, the skin is smooth, the taste is pink, sweet and waxy, the texture is delicate, there is no crude fiber (gluten), the flavor is strong, and the drying rate is 30% Mel 32%. There are 7 tubers per plant, which are uniform in size, good in prematurity, can be harvested in about 110 days (days), suitable for planting in different seasons, and the commercial potato rate can reach 85%. Sweet potatoes below 50g are also unique and suitable for consumption in hotels and restaurants. This variety has good seedling emergence and general drought tolerance, and its main disadvantage is that it is susceptible to vine cutting disease. the effective measure to avoid the disease is to choose disease-free seed potato, high-cutting seedlings and taboo continuous cropping, and the control effect of flood-drought rotation is better. 2.2Liangyuan (formerly known as ais). Varieties introduced from abroad. The skin is golden, the flesh is red, the potato is round, the skin is smooth, the taste is soft, sweet and waxy, the quality is excellent, and the flavor is strong; the drying rate is 25% Muth26%, which is suitable for cooking or baking, there are 6 tubers per plant, and the size of the tuber is uniform. Good seedling emergence, medium maturity, the growth period is about 130 days (days). 2.3 Heart fragrance. A new variety selected by Zhejiang Academy of Agricultural Sciences. Purplish red skin and yellow meat, oval potato pieces, smooth epidermis, pink taste, delicate texture, sweet, drying rate 27% Mui 29%. The underground part of the tuber is shallow and concentrated, which is suitable for mechanized harvesting. There are 7 tubers per plant, and the size of the tuber is uniform. This variety has good early maturity and high yield. it can be harvested by plastic film mulching from late April to early May and can be harvested for 90 days (days). The yield and maturity of this variety is similar to that of high-yielding variety Sushu 8, and it can be planted for two seasons a year in Zhejiang Province. 2.4Zhejiang potato 6025. Purple red orange meat, potato oval, smooth skin, just harvested, taste powder, after storage (November), starch continuous degradation; taste soft, waxy, sweet, good flavor, began to supply the market in November, there is a small amount of crude fiber at both ends, the drying rate is 28% Muel 32%. There were 7 tubers per plant with good seedling emergence, semi-erect aboveground parts, vigorous growth, dark green leaves, medium vines and medium ripening, with a growth period of more than 120 days (days), and better planting in the first and middle of June. 2.5 Zheshu 78. Red orange red meat, round potato pieces, smooth epidermis, soft, sweet, waxy taste, a small amount of crude fiber at both ends, good flavor, drying rate 25% Mui 26%, good early maturity, suitable for early planting and early harvest, but the quality will decline after October harvest.