Simplified sweet potato vine seedling nursing method for edible sweet potatoes

A sweet potato and potato root technology, applied in the field of agriculture, can solve the problems of restrictions, buy whatever seedlings are sold, and have no autonomy, and achieve the effects of low cost, reduced labor and labor intensity.

Active Publication Date: 2017-06-30
JIANGXI INST OF REO SOIL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The detoxified seedling technology of sweet potato facilities has been widely used, but only professional companies have the ability to invest in the construction of detoxified seedlings for sale. Individual farmers and even cooperatives have unconditionally applied this technology for self-cultivation and self-use. Jiangxi farmers use sweet potato seedlin

Method used

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  • Simplified sweet potato vine seedling nursing method for edible sweet potatoes
  • Simplified sweet potato vine seedling nursing method for edible sweet potatoes
  • Simplified sweet potato vine seedling nursing method for edible sweet potatoes

Examples

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Effect test

Embodiment 1

[0021] 1. Light and simplified potato root and vine seedling raising technology for edible sweet potato and storage of potato root and vine in winter

[0022] (1) Pre-storage treatment of potato roots and vines: After the edible sweet potatoes are harvested in autumn, the edible sweet potatoes in the field in Jiangxi Province are generally harvested from late October to early and mid-November, that is, before the frost comes. For healthy potato root vines with disease and no mechanical damage, the upper part of the root vines leaves 3 nodes from the root upwards, leaves are removed, and 1 cm petioles are reserved for later use. Generally, there are 4000-4500 potato roots and vines per mu of edible sweet potato fields. To remove some potato roots damaged by pests, frost, and harvesting machinery, at least 3000-3500 potato roots and vines per mu can be selected.

[0023] (2) Potato root and vine storage measures: According to the amount of breeding seedlings required for field e...

Embodiment 2

[0029] In step 2 of above-mentioned embodiment 1 edible type sweet potato lightly simplifies potato root vine seedling raising technology potato root vine seedling cultivation, following method can also be adopted:

[0030] Heterotopic seedling cultivation in potato root and vine storage nursery: After wintering, the climate temperature rises after the spring equinox in the next year. Taking Jiangxi as an example, in late March, the temperature is stable above 10°C. 2 times select the nursery for seedling cultivation and expansion, according to the requirements of normal edible sweet potato production and cultivation standards, apply basal fertilizer to the site and transplant the germinated potato roots and vines, the row spacing is 50-60 cm, the plant spacing is 28-33 cm, and the density per mu is 4000-4500 plants The standard for sprouting potato root vine extension. The 2 / 3 sprouted potato root vines of the storage garden are moved in, and the storage garden retains 1 / 3 of...

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Abstract

The invention belongs to the technical field of agriculture and concretely relates to a simplified sweet potato vine seedling nursing method for edible sweet potatoes. In the method, strong sweet potato vines free of frost damage, diseases and mechanical damages are selected; three joints are remained upwardly from the root for each cirrus on the upper part of the sweet potato vine; laminas are removed and one centimeter of petiole is preserved; then the petiole is transplanted to a storage nursery garden for overwintering; after the cirrus on the sweet potato vine sprouts, new sweet potato vines are harvested 7 to 10 days before transplantation to the large field to work as germchits; laminas of the harvested new sweet potato cirrus are removed and one centimeter petiole is left; each two-joint is cut and planted in the ground in a greenhouse or the ground in a three-film double-arched shed and thoroughly watered until the depth of water is 5cm; the upper part of a sweet potato vine section gives out a small bud after 7 to 10days and the lower part germinates a certain root system; and effective germchits are cultured and can be transplanted to a production field. The simplified sweet potato vine seedling nursing method for edible sweet potatoes fully utilizes waste sweet potato vines for seedling nursing, so potato seeds are saved; edible sweet potato seed storage, overwinter and rot problems can be avoided; and sweet potato seedling nursing labor intensity can be reduced.

Description

technical field [0001] The invention belongs to the technical field of agriculture, in particular to a light and simplified method for growing seedlings of edible sweet potatoes. Background technique [0002] Sweet potato, Convolvulaceae, is native to Peru, Ecuador, and Mexico in South America. Because of its wide adaptability, strong fecundity, easy cultivation, high yield and stable harvest, rich nutrition, and wide range of uses, it is found in 111 countries around the world. or areas where sweet potatoes are grown. At present, the total planting area of ​​sweet potatoes in the world has stabilized at about 9.4 million hectares in recent years, and the total output is about 130 million tons. The area and total output account for more than 80% and 90% of the world respectively. China’s sweet potato cultivation has a history of more than 400 years. It is widely planted throughout the country. Now the cultivation is widely distributed. It starts from the South China Sea Is...

Claims

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Application Information

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IPC IPC(8): A01G1/00
CPCA01G22/00
Inventor 肖国滨郑伟黄天宝肖小军吕伟生李亚贞吴艳肖富良胡文亭刘小三叶川
Owner JIANGXI INST OF REO SOIL
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