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Factory culturing method for sweet potato seedlings with roots and tops

A cultivation method and technology for apical seedlings, which are applied in the fields of botanical equipment and methods, fertilizer mixtures, horticulture, etc., can solve the problems of less research on potato seedling cultivation methods, weak growth potential, and poor drought resistance, so as to achieve strong drought resistance, The effect of high output and low overall cost

Inactive Publication Date: 2012-09-05
FUJIAN YUEFENG AGRI PROD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, these seedling raising techniques all follow the traditional methods of cutting seedlings and multiplying seedlings from the production of the original seedlings, to the production of the original seeds, to the production of the seed potatoes, and to the production in the field after the rapid propagation of the tissue cultured seedlings. There are problems such as long return to seedling period, poor drought resistance and weak growth vigor
At present, there are few studies on the cultivation methods of a large number of potato seedlings used in field production.

Method used

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  • Factory culturing method for sweet potato seedlings with roots and tops
  • Factory culturing method for sweet potato seedlings with roots and tops
  • Factory culturing method for sweet potato seedlings with roots and tops

Examples

Experimental program
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Effect test

Embodiment 1

[0036] Such as figure 1 As shown, a seedling pond [4] with a width of 1m, a depth of 20cm, and a length of 15m is selected to be built in a plastic greenhouse. The bottom of the seedling pond [4] is flat on a horizontal plane; Substrate [2], thickness is 15cm, and this substrate [2] is soil by weight 60%, all the other are carbonized rice husks; Select the sweet potato vine with no pest and disease band more than 2 leaf nodes, cut every section seedling [1] band 2 leaf nodes; obliquely inserted section seedlings [1], size 20×20cm, watered with fixed root water; 2 days after cuttings were sprayed or watered with nutrient solution [6], and 2 days after drying, nutrient solution was added again [6]. By analogy, until the segment seedling [1] with more than 2 leaf nodes can be cut; the cut segment seedling [1] repeats the above steps until the segment seedling [1] with 2 leaf nodes can be cut; cultivate the top seedling with root for field When in use, cuttages [1] with 2 leaf no...

Embodiment 2

[0039] Such as figure 2 Shown, nursery pond [4] is the same as embodiment 1; Put into the tray [5] of high 5cm; Pour seedling substrate [2] into, the thickness on tray [5] face is 12cm, this substrate [2] and seedling The cultivation method is the same as in Example 1, wherein the added nutrient solution [6] has a depth of 2 cm. After 10 days, 20 cm long sweet potato seedlings with main root [b], lateral root [a], storage root [d] and terminal bud [c] can be cultivated.

[0040] This method has a fast cultivation cycle. After 10 days of cultivation, the 2-leaf segmental seedlings [1] can be cultivated into potato seedlings with roots and terminal buds, and the seedlings have apical advantages. After being planted in the field, the root system can continue to grow and has strong drought resistance. , There is no return to seedling stage; the field growth is strong in the early stage, the tubers are early, the tubers are more, and the yield of sweet potatoes is higher.

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Abstract

The invention discloses a factory culturing method for sweet potato seedlings with roots and tops. The method comprises the following steps of: establishing a culturing pool matrix, selecting seedlings, cutting seedlings, cutting, adding or pouring a nutrient fluid, and cutting the section seedling, and then the seedling with root and top is cultured. A support disc can be arranged on an agriculture film at the bottom of the culturing pool, the matrix is arranged on the surface of the support disc, and the nutrient fluid is arranged under the surface of the support disc. The nutrient liquid is prepared from the following components in percentage by weight: 48-52% of nitrate nitrogen three-element complex fertilizer, 25-30% of urea, 15-20% of potassium sulphate, 3-5% of potassium dihydrogen phosphate, and 1-3% of copper, zinc, manganese, magnesium, and molybdenum. The invention has the advantages that the culture period is short; the seeding has apical dominance and has roots including main root, side root and storing root; the root can continuously grow after being planted into fields, the drought resistance performance is strong, and the seedling return period does not exist; the growth in the field in the early period is strong, the sweet potato is early to form, the quantity of the formed sweet potatoes is much, and the yield of the sweet potatoes is high; the operating method is simple, and the integration cost is low.

Description

1. Technical field [0001] The invention relates to a method for cultivating sweet potato seedlings, in particular to a method for industrialized cultivation of rooted and top seedlings for field production of sweet potatoes. 2. Background technology [0002] At present, the seedlings used in field production of sweet potato are to use seed potatoes to germinate in early spring, or adopt protection measures to germinate overwintering seedlings in spring to produce the first batch of seedlings, and then cut the stems of these seedlings into 15-20cm , segmented seedlings with 4-5 leaf nodes are planted on cultivated land. When the potato tendril grows to 50-60cm, cut it off, and then use the same method to plant and propagate the seedlings until it reaches enough for field production according to the plan, then cut into section seedlings in the same way as above for field production. [0003] In the past 10 years, agricultural researchers all over the country have conducted re...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G1/00C05G1/00
Inventor 郭生国杨立明吴文明林金虎李守朋
Owner FUJIAN YUEFENG AGRI PROD
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