Method on seedling breeding of purple sweet potato

A purple sweet potato and seedbed technology, applied in the field of purple sweet potato seedling raising, can solve problems such as the impact of purple sweet potato seedling formation, economic loss, impact on the yield of purple sweet potato, etc., and achieve the effect of avoiding diseases such as purple sweet potato black spot disease and fast survival.

Inactive Publication Date: 2017-01-25
颍上县王召薯种繁育专业合作社
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Problems solved by technology

[0002] Purple sweet potato is also called black sweet potato. The flesh of the potato is purple to deep purple. In addition to the nutrients of ordinary sweet potatoes, it is also rich in selenium and anthocyanins. It is very popular in the domestic and international markets, and has a good development prospect. Good cultivation value; in the current market, some growers have begun to plant purple sweet potatoes, but many growers still continue to use the seedling cultivation method of cultivating ordinary sweet potatoes when raising seedlings of purple sweet potatoes, which has a certain impact on the emergence of purple sweet potatoes. Indirectly affected the yield of purple sweet potato, brought certain economic loss

Method used

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Embodiment Construction

[0010] The invention discloses a method for raising seedlings of purple sweet potato, the specific steps are as follows:

[0011] (1) Disinfection of seed potatoes: choose large potato pieces without scars, disease spots, and large pieces as seed potatoes, choose 25% carbendazim 600 times solution as the sterilizing solution, heat the sterilizing solution to 50~55°C, and then put the seed The potato is placed in the sterilizing solution and soaked for 5-10 minutes;

[0012] (2) Seedbed preparation: choose sandy soil with high terrain, good soil permeability, and rich in organic matter as the cultivation soil. The width of the seedbed is 1-1.5m, the height is 0.2-0.3cm, and the length depends on the field. Apply 500~600kg of decomposed pig manure per mu;

[0013] (3) Discharging seed potatoes: When the temperature is stable at 15°C, arrange the seed potatoes neatly on the seedbed, and then use 400-500kg of decomposed manure per mu to evenly cover the manure on the seed potatoe...

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Abstract

The invention discloses a method on seedling breeding of purple sweet potato, comprising the steps of 1, disinfection of seed potato: choosing big potato pieces which have no scars and scabs as the seeds; 2, seedbed arrangement, choosing sandy soil as compost which is from high and dry terrain, and with good permeability and rich organic matter, then fertilizing the seedbed with mature pig manure for 500-600 kg; 3, planting seed potato in rows: when it is at a stable temperature of 15 oC, planting the seed potato on seedbed orderly in rows; and 4, seedbed management: before seedling emergency, controlling the temperature of seedbed between 25-33oC and 20-25 oC after emergency, fertilizing the seedbed with thin human wastes in time for topdressing; earthing up the seedlings when 80% of the heightgrow to a height of 10 cm, and conduct earth up every two weeks after that. The seedling breeding method can effectively avoid the emergency of diseases like black spot disease, with high-survival seedlings, providing the foundation for high productivity of purple sweet potato.

Description

technical field [0001] The invention relates to a purple sweet potato seedling raising method, which is applied in the technical field of purple sweet potato planting. Background technique [0002] Purple sweet potato is also called black sweet potato. The flesh of the potato is purple to deep purple. In addition to the nutrients of ordinary sweet potatoes, it is also rich in selenium and anthocyanins. It is very popular in the domestic and international markets, and has a good development prospect. Good cultivation value; in the current market, some growers have begun to plant purple sweet potatoes, but many growers still continue to use the seedling cultivation method of cultivating ordinary sweet potatoes when raising seedlings of purple sweet potatoes, which has a certain impact on the emergence of purple sweet potatoes. Indirectly affected the output of purple sweet potato, brought certain economic loss. Contents of the invention [0003] In order to solve the above ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/00A01C1/08
CPCA01C1/08
Inventor 王召
Owner 颍上县王召薯种繁育专业合作社
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