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A kind of seed treatment method

A seed treatment and seed technology, applied in the field of seed treatment to improve drought resistance and stress resistance in purple soil areas, can solve the problems of soil environmental pollution, seed inactivation, damage, etc., to improve survival rate and strengthen stress resistance performance Effect

Active Publication Date: 2021-09-03
HUNAN ACAD OF FORESTRY
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Problems solved by technology

However, the current seed treatment technology still cannot meet the needs of sowing and afforestation in the purple soil area. The current purple soil sowing and afforestation is simply soaking the seeds, or simply dressing the forest seeds with a single or compound pesticide-type seed coating agent. The drought resistance of the seeds Poor resistance, and this treatment method is easy to cause seed inactivation, seed emergence effect is poor, which leads to slow recovery of purple soil vegetation, and pesticide-type seed coating agents will cause pollution and damage to the soil environment, which violates ecological civilization construction concept

Method used

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Embodiment 1

[0049] The sowing time was selected in mid-March 2018. In the typical purple soil area in southern Hunan, the seeds of Eucalyptus were treated according to the experimental design in Table 1, and a field sowing test was carried out. The seeds of each treatment were sown in random areas and repeated 3 times.

[0050] (1) Disinfection treatment of forest seeds: Soak with 0.5‰ potassium permanganate solution for 30 minutes.

[0051] (2) Preparation of seed treatment agent:

[0052] ①Preparation of neem seed solution: when the fruit of neem is ripe, collect and remove the pulp, wash the pulp on the seeds, and store it in a ventilated place for later use. Shell the treated neem seeds, dry them at 60°C, grind them into powder, pass through a 200-mesh sieve, soak them in water for ultrasonic extraction for 24 hours, add soap and water to make a compound solution, the proportions are 60-80g / L and 100g / L respectively -120g / L; ②Preparation of binder: according to the amount of seeding,...

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Abstract

The invention relates to a method for treating seeds in purple soil areas. The current seed treatment methods for sowing and afforestation in purple soil are relatively deficient in the drought resistance and stress resistance treatment of seeds, and seldom consider the link of green environmental protection in the seed treatment process. The purpose of the present invention is to make up for the existing technology. The method provides an environmentally friendly and stress-resistant seed treatment method that can not only improve the germination rate and drought resistance of forest tree seeds, but also promote the rapid recovery of purple soil vegetation. The present invention replaces the pesticide-type repellent by extracting special plant components, and advocates the concept of green ecological sowing and afforestation; through the utilization of agricultural and forestry residues and the recycling of resources, the development concept of "green circular economy" is introduced; and the seed treatment matrix is ​​further integrated The characteristics of water and fertilizer conservation and the special structure of seed treatment further strengthen the stress resistance of the seeds and improve the survival rate of sowing afforestation in purple soil areas.

Description

technical field [0001] The invention relates to a seed treatment method for purple soil regions, in particular to a seed treatment method for improving drought resistance and stress resistance in purple soil regions. Background technique [0002] As a kind of lithological soil developed on purple rocks, purple soil is one of the main soil types in Hunan, with a total area of ​​1.32 million hectares, accounting for about 6.22% of the province's area. Because the soil of purple soil is very easy to water erosion, the development period is short, the content of organic matter and nitrogen is low, the permeability is poor, and the water evaporation loss is serious. Especially in midsummer, the highest temperature on the exposed surface of Zitu barren hills and slopes can reach 73.2°C. Due to the unfavorable environmental impacts such as regional water and heat distribution and unreasonable development, the vegetation in the Ziyan area has been sparse for a long time, and seasona...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01C1/06A01N65/26A01P17/00
CPCA01C1/06A01N65/00A01N65/26Y02P60/40Y02A40/22
Inventor 杨艳汤玉喜唐洁李永进黎蕾吴敏
Owner HUNAN ACAD OF FORESTRY
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