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Method for reducing rotting disease of roots of pseudo-ginseng

A technology of root rot and Panax notoginseng, applied in the field of Panax notoginseng root rot reduction, can solve the problems of excessive pesticide residues, environmental pollution, increase the amount and frequency of pesticide spraying, etc. Harm, the effect of reducing the use of pesticides

Inactive Publication Date: 2019-02-19
KUNMING UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the common practice adopted by Panax notoginseng growers is to increase the spraying amount and frequency of pesticides to suppress the high incidence of root diseases. Excessive application of pesticides will easily cause environmental pollution and excessive pesticide residues.

Method used

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  • Method for reducing rotting disease of roots of pseudo-ginseng

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] The Radix Notoginseng root rot reduction method of the present embodiment, it may further comprise the steps:

[0023] Step 1. Leveling the land: Spread the base fertilizer and lime evenly into the field soil before plowing, and turn it over deeply with a plow; the base fertilizer (fertilizer is organic fertilizer produced by Kunming Jiuyuan Organic Fertilizer Co., Ltd. Chenggong Branch: total nutrient (N+P 2 o 5 +K) ≥ 5.0%, organic matter ≥ 45%), the addition amount is 1500kg of base fertilizer per mu of soil, and the addition amount of lime is 70kg of lime per mu of soil;

[0024] Step 2, ridging: conventional ridging, ridge length 6.0m, width 1.45m;

[0025] Step 3, planting and management: transplant the Panax notoginseng seedlings in the ridge and lay a layer of 4cm thick pine needles, spray a concentration of 20wt‰ of sodium chloride solution every 3 months (every March, April, July and once a month in August), the amount of spraying is 4000mL per ridge, and th...

Embodiment 2

[0028] The Radix Notoginseng root rot reduction method of the present embodiment, it may further comprise the steps:

[0029] Step 1. Leveling the land: Spread the base fertilizer and lime evenly into the field soil before plowing, and turn it over deeply with a plow; the base fertilizer (fertilizer is organic fertilizer produced by Kunming Jiuyuan Organic Fertilizer Co., Ltd. Chenggong Branch: total nutrient (N+P 2 o 5 +K) ≥ 5.0%, organic matter ≥ 45%), the addition amount is 1000kg of base fertilizer per mu of soil, and the addition amount of lime is 50kg of lime per mu of soil;

[0030] Step 2, ridge: conventional ridge, ridge length 4.5m, width 1.35m;

[0031] Step 3, planting and management: transplant the notoginseng seedlings into the ridge and lay a layer of 2cm thick vermiculite, and spray a sodium chloride solution with a concentration of 15wt‰ every 3 months (every March, April, July Monthly spraying once a month in August and August), the spraying volume is 3000...

Embodiment 3

[0034] The Radix Notoginseng root rot reduction method, it may further comprise the steps:

[0035] Step 1. Leveling the land: Spread the base fertilizer and lime evenly into the field soil before plowing, and turn it over deeply with a plow; the base fertilizer (fertilizer is organic fertilizer produced by Kunming Jiuyuan Organic Fertilizer Co., Ltd. Chenggong Branch: total nutrient (N+P 2 o 5 +K) ≥ 5.0%, organic matter ≥ 45%), the addition amount is 1200kg of base fertilizer per mu of soil, and the addition amount of lime is 60kg of lime per mu of soil;

[0036] Step 2, ridging: conventional ridging, ridge length 5.0m, width 1.40m;

[0037] Step 3, planting and management: transplant the Panax notoginseng seedlings into the ridge and lay a layer of 3cm thick pine needles, spray a concentration of 17wt‰ of sodium chloride solution every 3 months (every March, April, July and once a month in August), the amount of spraying is 3500mL per ridge, and then the daily routine fie...

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Abstract

The invention relates to a method for reducing a rotting disease of roots of pseudo-ginseng, and belongs to the technical field of Chinese herb planting. In land formation, before land plowing, base fertilizer and lime are uniformly scattered into soil in a field, and a plough is used for deep tillage one time; in ridging, common ridging is conducted; planting and managing are conducted, wherein pseudo-ginseng seedlings are transplanted into ridges, covering layers are laid, a sodium chloride solution with the concentration of 15-20 wt%o is sprayed at regular intervals, and then daily common field management is conducted until pseudo-ginseng is matured. In the method, the sodium chloride solution is sprayed to adjust the pH value of the soil, the disease rate of the rotting disease of theroots of the pseudo-ginseng is decreased, meanwhile, a salt stress environment is formed, the quantity of distributed biomasses at the roots of pseudo-ginseng is increased, the root shoot ratio of pseudo-ginseng is increased, the yield of pseudo-ginseng is increased, and meanwhile the amount of applied pesticide is decreased. The production cost for pseudo-ginseng is lowered, and the method is better applied to the field of Chinese herb planting.

Description

technical field [0001] The invention relates to a method for reducing root rot of notoginseng, which belongs to the technical field of planting Chinese medicinal materials. Background technique [0002] Panax notoginseng is a perennial herbaceous plant that likes warmth and humidity, so the disease problem is very serious. It takes about 3 to 7 years from planting to harvesting of Panax notoginseng. It is difficult to eliminate the continuous cropping obstacles in the growth process, especially the occurrence of root rot. Yield drops by 10-70%, and quality also declines obviously, and the loss that causes accounts for 70-85% of various diseases. [0003] The occurrence of Panax notoginseng root rot is closely related to seasonal changes and the growth time of Panax notoginseng. The first occurrence occurs in March-April, and the second occurrence occurs in July-August. The study found that the medium-to-slightly acidic soil with a pH value of 5.5-7 is suitable for the growt...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G22/25A01G13/00
CPCA01G13/00A01G22/25
Inventor 杨启良杨莹王焕昌
Owner KUNMING UNIV OF SCI & TECH
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