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Method for breaking Euscaphis japonica seed dormancy

The technology of wild jasmine and seeds is applied in the field of forest tree seedlings, which can solve the problems of unspecific method steps, long treatment time, lack of important technical parameters such as treatment temperature duration, etc., and achieves strong operability, good treatment effect, The effect of broad market prospects

Inactive Publication Date: 2016-05-18
上海栎乐苗木种植专业合作社
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There are following deficiencies in these several methods: (1) method step is not specific, lacks important technical parameters such as processing temperature, duration etc.
(2) There is no support from experimental data, and the treatment effects discussed are speculations, which cannot convince technicians that they are effective
(3) The processing time is too long, such as the wet sand storage method discussed above needs to be processed for more than 1 year
At present, there are few research reports on the release of dormancy of Euscaphis japonica seeds at home and abroad.

Method used

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  • Method for breaking Euscaphis japonica seed dormancy

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Effect test

Embodiment 1

[0019] A kind of method for breaking the dormancy of japonica seeds, the steps are as follows:

[0020] (1) In October-November every year, after the fruit skin is red, collect the seeds with fleshy arils, and pile them up for 3-4 days after harvesting. After the arils soften, remove the arils, and get clean after washing. Seeds, dried for later use.

[0021] (2) Mix the spare seeds with the wet sand, the volume ratio of the wet sand to the seeds is 3:1, and the water content of the wet sand is 60-70% of the saturated water content. The mixture of seeds and wet sand is placed at a low temperature of 0-5°C for 120 days of stratification treatment.

[0022] (3) Rinse the above-mentioned layered seeds with clean water, soak them in hot water at 80° C. for 24 hours, and use them for sowing directly after natural cooling.

[0023] (4) The above-mentioned treated seeds are directly sown to raise seedlings, drilled, with a seeding rate of 4 to 5 kg per mu, sown before and after the...

Embodiment 2

[0027] (1) Source of material

[0028] The tested seeds were collected from Xiashu Forest Farm of Nanjing Forestry University in Zhenjiang City, Jiangsu Province on September 20, 2013.

[0029] (2) Material handling and measurement

[0030] Seeds were pretreated by soaking in hot water at an initial temperature of 80°C before low-temperature stratification and sowing. Low-temperature stratification treatment was carried out on the seeds of Javenica japonica from September 20, 2013. The substrate was clean river sand, mixed with 3 parts of wet river sand and 1 part of seed by volume, and refrigerated at 0-5°C. During the test, water was sprayed at the right time to ensure that the substrate was in a moist state. The first sampling was on December 20th of that year, and then every 30 days, a total of 5 times, and the sampling ended on April 20th, 2014. Seeds were sampled immediately for a germination test. Seeds without low-temperature stratification treatment were used as c...

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Abstract

The invention discloses a method for breaking Euscaphis japonica seed dormancy. The method comprises the following steps: (1) Euscaphis japonica seeds are placed in wet sand, the moisture content of the wet sand is 60%-70% of saturation moisture content, and a seed and wet sand mixture is subjected to stratifcation treatment at a low temperature of 0-5 DEG C for 120-150 d; (2) seeds after stratifcation treatment are taken out, washed clean with clean water, soaked in hot water at the beginning temperature of 70-80 DEG C, naturally cooled and directly used for sowing after 24 h. The seeds after the treatment with the method can be directly used for sowing and seedling raising, the absolute germination percentage of the seeds is higher than 95%, and seedling emergence is rapid and ordered. Compared with the conventional method, the method has the advantages of specificity, high operability and good treatment effect. The method is expected to have broad market prospect and a popularization value.

Description

technical field [0001] The invention belongs to the technical field of forest tree seedlings, in particular to a method for breaking the dormancy of Euscaphis japonica seeds. Background technique [0002] Corvus is a small deciduous tree or shrub of the genus Corvus in the family of Shenggu Oilaceae. This tree species is widely distributed in my country, and it is produced all over the country except the northwestern provinces, mainly in the provinces south of the Yangtze River. Born in mountains, hillsides, valleys, riverside bushes or broad-leaved forests above 500 meters above sea level, it likes typical mountainous environmental conditions with high environmental humidity, short sunshine hours, fertile, loose, and well-drained soil, and in poor acidic soils Can also grow. [0003] Crowwood is a tree species with industrial, medicinal and ornamental value. Its seed oil can be used to make soap, and its bark can be used to extract baked gum. The medicinal value of its ...

Claims

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Application Information

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IPC IPC(8): A01C1/00
CPCA01C1/00
Inventor 喻方圆张子晗张莉梅罗颖
Owner 上海栎乐苗木种植专业合作社
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