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Seedling culture method capable of improving emergence rate of gentiana crassicaulis

A technology for thick stems and seedling emergence rate, applied in the directions of seed and rhizome treatment, botanical equipment and methods, seed coating/seed dressing, etc. In order to improve the output rate of strong seedlings, improve the quality of seedlings, and reduce diseases at the seedling stage

Inactive Publication Date: 2012-11-21
INST OF MEDICINAL PLANTS YUNNAN ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The standard and large-scale planting of Gentiana chinensis has been greatly affected by the small size of the seeds, short life span, low natural germination rate, immature production technology of seeds and seedlings, and lack of strong seedlings.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] Embodiment 1: Raising seedlings in the open field, with a history of rust disease, transplanted to an area at an altitude of 2200-2600 m

[0016] (1) In areas with an altitude of 2200-2600m, choose flat land or gentle slope land with deep soil layer, organic matter content of more than 2%, pH value of 5.5-7.0, and convenient drainage and irrigation for seedling cultivation. Loam soil, sandy loam soil and forest humus soil are suitable;

[0017] (2) Seedlings in the open field, sowing in April to May; when the rainwater decreases in the year before the seedlings, plow the land deeply to remove weed residues; one month before sowing in the next year, carefully turn the land; ~20cm, the height around the box is 2~3cm, and the width of the ditch is 35cm; the back of the box is covered with a light-transmitting film to promote the growth of weeds, and it will be removed when sowing;

[0018] (3) After soaking the seeds in clean water at 20°C for 24 hours, remove the seeds af...

Embodiment 2

[0022] Embodiment 2: Facility seedling cultivation, there is a history of root rot, transplanted to the area of ​​2200 ~ 2600 m above sea level

[0023] (1) In areas with an altitude of 2200-2600m, choose flat land or gentle slope land with deep soil layer, organic matter content of more than 2%, pH value of 5.5-7.0, and convenient drainage and irrigation for seedling cultivation. Loam soil, sandy loam soil and forest humus soil are suitable;

[0024] (2) Seedling cultivation in facilities, sowing in March to April; deep plowing and plowing the land to remove weed residues when the rainwater decreases in the year before the seedling cultivation; finely plowing and leveling the land one month before sowing in the next year; ~20cm, the height around the box is 2~3cm, and the width of the ditch is 35cm; the back of the box is covered with a light-transmitting film to promote the growth of weeds, and it will be removed when sowing;

[0025] (3) Soak the seeds with 50ppm gibberelli...

Embodiment 3

[0029] Embodiment 3: Raising seedlings in the open field, with a history of rust disease, transplanted to an area at an altitude of 2600 ~ 3300 m

[0030] (1) In areas with an altitude of 2200-2600 m, choose flat land or gentle slope land with deep soil layer, organic matter content of more than 2%, pH value of 5.5-7.0, and convenient drainage and irrigation for seedling cultivation. Loam soil, sandy loam soil and forest humus soil are suitable ;

[0031] (2) Seedlings in the open field, sowing in April to May; when the rainwater decreases in the year before the seedlings, plow the land deeply to remove weed residues; one month before sowing in the next year, carefully turn the land; ~20cm, the height around the box is 2~3cm, and the width of the ditch is 35cm; the back of the box is covered with a light-transmitting film to promote the growth of weeds, and it will be removed when sowing;

[0032] (3) Soak the seeds with 50ppm gibberellin for 2~8 hours, and the effect of soak...

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Abstract

The invention relates to a seedling culture method capable of improving emergence rate of gentiana crassicaulis, belonging to the technical field of medicinal plant cultivation. The seedling culture method comprises the following steps: seedlings are cultured at altitude of 2200-2600m and transplanted at altitude of 2200-3300m; flat ground with deep and fertile soil layers or gentle slope with deep and fertile soil layers is used for culturing the seedlings; then the whole ground is ridged and covered with a film; before seeding, the seeds are soaked with clean water at 20 DEG C for 24 hours or with 50ppm gibberellin for 2-8 hours; the land plot with rust diseases or root rot diseases is subjected to seed disinfection; after soaking or disinfection, wet sands are mixed with the seeds to be processed for 20-30 days; after the seeds are processed, the film is uncovered; grass on the ground is removed; and the ridged surface is leveled; the seeds are sown at low density; after sowing, the ground is covered with mixed soil and pine leaves; 7-8 months later, fertilizer is applied to the ground for 2-3 times, and Bordeaux mixture is sprayed. The seedling culture method has the advantages that the emergence rate of the gentiana crassicaulis can be increased to 65-94%; diseases at a seedling stage can be relieved; and seedling quality and strong seedling output rate can be improved.

Description

Technical field: [0001] The invention relates to a method for raising seedlings for improving the emergence rate of Gentiana thick stems, belonging to the technical field of medicinal plant cultivation. technical background: [0002] Gentiana crassicaulis Duthie ex Burk. is a perennial herbaceous plant of Gentianaceae. One of the original plants. Gentiana chinensis is one of the important traditional Chinese medicines in my country. It is mainly used to treat rheumatic arthralgia, asthenic hot flashes, jaundice and other diseases. In the medicinal history of more than 2,000 years, Gentiana chinensis was mainly used as wild products. Due to the year-by-year deterioration of the habitat, serious population degradation, and destructive digging, the resources of wild Gentiana chinensis are decreasing year by year, and it is listed as a national third-level key protected plant among the national key protected medicinal plant species. In recent decades, the thick-stemmed Gentia...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/00A01C1/00A01C1/06
Inventor 王馨李绍平杨斌和振宏李林玉杨丽英严世武董志渊马维思
Owner INST OF MEDICINAL PLANTS YUNNAN ACAD OF AGRI SCI
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