Method for cultivating sweet potato seedling based on seedling raising cylinder

A seedling tube and sweet potato technology, which is applied in cultivation, root crop cultivation, seed and rhizome treatment, etc. It can solve the problems of uneven sowing spacing and low seedling rate of sweet potato seeds

Active Publication Date: 2020-10-23
SHANDONG YANTAI AGRI SCI & TECH INST
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0004] Aiming at the deficiencies in the prior art, the present invention provides a method for cultivating sweet potato seedlings based on seedling tubes to solve the problems of uneven sowing spacing and low seedling rate of sweet potato seedlings in the sweet potato seedling raising technology in the prior art technical issues

Method used

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  • Method for cultivating sweet potato seedling based on seedling raising cylinder
  • Method for cultivating sweet potato seedling based on seedling raising cylinder
  • Method for cultivating sweet potato seedling based on seedling raising cylinder

Examples

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Effect test

experiment example 1

[0027] Experimental example 1: sweet potato seed is divided into six groups, all adopt above-mentioned method to carry out seedling cultivation, the difference between the first five groups is that the time of soaking seeds in concentrated sulfuric acid is different, the sixth group adopts manual cutting to break the seed coat, average germination Rate statistics are shown in Table 1;

Embodiment 2

[0028] Embodiment 2: sweet potato seed is divided into six groups, two groups of 200 grains, two groups of 400 grains, two groups of 600 grains, all adopt the above-mentioned method to carry out seedling cultivation, the difference is: one group of 200 grains, one group of 400 grains One group of 600 grains was soaked with 98% concentrated sulfuric acid, the remaining group of 200 grains, one group of 400 grains, and one group of 600 grains were processed by artificially cutting the seed coat. The time of skin rupture, the specific data is shown in Table 2 below;

Embodiment 3

[0029] Embodiment 3: Take out the good seed of germination according to the above method, take 240 grains as a sowing rate, sow in common seedbed and paper tube respectively and adopt the mode of half-meter-high arch shed and plastic film covering, other conditions are all the same, observe two kinds For the emergence rate under the seedling raising mode, the emergence rate of 2 days, 3 days, 4 days, 5 days and 8 days after sowing were respectively recorded and counted, and the specific data are shown in Table 3;

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Abstract

The invention relates to a method for cultivating a sweet potato seedling based on a seedling raising cylinder, and belongs to the technical field of sweet potato seedling raising. The method comprises the following steps of (1) seed screening; (2) seedling raising shed selection; (3) seedbed neatening and soil preparation; (4) seedling raising paper cylinder preparation and filling; (5) seed pretreatment; (6) sowing, specifically, according to the principle of one hole and one grain, sowing the germinated seeds into the center of each hole of the paper cylinder, slightly pressing and compacting the germinated seeds by fingers, covering the seeds with fine soil, covering the fine soil with sandy soil, ensuring that the sand submerges the edge of the paper cylinder, and then scraping the fine sand by using a wood plate to enable the fine sand to be flush with the top of the paper cylinder; (7) preparation of an arch covering film; (8) film removal; and (9) seedling management. The method is used for solving the technical problems that in the prior art, a sweet potato seedling raising technology is uneven in sowing distance and low in seedling rate of sweet potato seedling seeds.

Description

technical field [0001] The invention relates to a method for cultivating sweet potato seedlings based on a seedling tube, and belongs to the technical field of sweet potato seedling cultivation. Background technique [0002] Sweet potato, also known as sweet potato, sweet potato, sweet potato, etc., is a dicotyledonous herbaceous light-loving plant belonging to the family Convolvulaceae. It is an important food, feed, industrial raw material and new energy crop in the world. China is the largest sweet potato planting country in the world, with a history of more than 400 years of sweet potato planting. According to statistics, China's perennial sweet potato planting area and fresh potato production account for 40.9% and 67.72% of the world's respectively. Hybrid breeding is the main way to breed high-yield and high-quality sweet potato varieties. The seeds obtained by hybridization are the original real seeds of sweet potato, which have the typical anatomical structure and c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G22/25A01C1/00A01G9/029
CPCA01C1/00A01G9/0293A01G9/0295A01G22/25
Inventor 张磊辛国胜
Owner SHANDONG YANTAI AGRI SCI & TECH INST
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