Method for raising seedlings of carex brunneopilosa seeds

A technology of Carex brown scale and seeds, which is applied in the field of seedling raising of Carex brown scale, and can solve the problems such as the lack of research reports on the technology of raising Carex brown scale

Pending Publication Date: 2020-10-23
NORTHWEST INST OF ECO-ENVIRONMENT & RESOURCES CAS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, as the dominant species and constructive species for the ecological management of Maqu alpi...

Method used

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  • Method for raising seedlings of carex brunneopilosa seeds
  • Method for raising seedlings of carex brunneopilosa seeds
  • Method for raising seedlings of carex brunneopilosa seeds

Examples

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Embodiment 1

[0018] The invention relates to a seedling raising method of Carex brown scales. The seedling raising time is preferably when the low temperature is above 5° C., and the seedling raising in a greenhouse is preferably in the first ten days of May. The method includes the following steps:

[0019] Step S100, seed preparation: collect the full-grained Carex sativa seeds at the mature stage, dry them under natural conditions, remove the sundries on the surface of the seeds, and use distilled water flotation or sieve filtration to remove empty grains and damaged seeds , then washed with water, dried, and stored at -4°C for later use.

[0020] Step S101, pre-sowing preparation: including greenhouse construction, seedbed preparation, selection of seedling container, substrate configuration and substrate disinfection, etc.

[0021] Greenhouse construction: choose an area with sunny side, flat terrain, convenient water supply and drainage, ventilation and light transmission, and conve...

Embodiment 2（ test example 1）

[0035] Based on the content of above-mentioned embodiment 1, present embodiment 2 is through experimental design with respect to rooting powder concentration in step S103 rooting powder soaking treatment, soaking time to seed germination rate (carried out in the petri dish that is covered with filter paper), emergence rate and seedling rate impact will be explained.

[0036] A. Carex brown scale seeds are carried out germination treatment: at normal temperature, use 98% H 2 SO 4 After soaking seeds for 2.5 minutes (or soaking seeds in NaOH for 3.5 hours), at 25 / 5°C (12h / 12h) and under the condition of changing temperature and avoiding light, add 150mg.L -1 Gibberellin (GA 3 ) Soak for 24h.

[0037] B. After the seeds are germinated, the following treatments are carried out: with different concentrations (10, 20 and 30mg.kg -1 ) ABT6 No. rooting powder soaked the seeds for 6, 12 and 18 hours (clean water soaking treatment as a control), and then carried out a potted sand ...

Embodiment 3（ test example 2）

[0043] Based on the content of the above-mentioned embodiment 1, this embodiment 3 illustrates the influence of step S104, substrate loading into pots, and sowing depth during sowing on the germination rate, emergence rate and seedling rate of seeds through experimental design.

[0044] A. Carex brown scale seeds are carried out germination treatment: at normal temperature, use 98% H 2 SO 4 After soaking the seeds for 2.5 minutes (or NaOH soaking for 3.5 hours), at 25 / 5°C (12h / 12h) and under the condition of changing temperature and avoiding light, add 150mg.L -1 Gibberellin (GA 3 ) Soak for 24h.

[0045] B. After the seeds are germinated, the following treatments are carried out: use 20mg.kg -1 After soaking the seeds with the ABT6 rooting powder for 12 hours (clean water soaking treatment as a control), the potted sand culture experiments with different sowing depths were carried out in the greenhouse, and the following different sowing depths were set: 0, 0.5, 1.0, 1.5...

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Abstract

The invention relates to a method for raising seedlings of carex brunneopilosa seeds. On the basis of an existing rapid germination method, a greenhouse container cultivation method is adopted, the carex brunneopilosa seeds with dormancy broken are subjected to rooting powder soaking treatment with the specific concentration of 10-30mg. Kg<-1> and the specific time of (6-18h), a specific seedlingraising substrate is used, the specific sowing depth of (0.5-1.0cm) is set, the seeds can rapidly emerge and are uniform, the seedling rate of nursery stocks is high, the nursery stocks grow robustly,the seedling raising period and the transplanting rejuvenation period can be effectively shortened, the transplanting survival rate is increased, and the technical problems that in ecological restoration of high-cold degraded grasslands, the carex brunneopilosa seeds are difficult to raise seedlings and slow in growth, and the method is not beneficial for being widely applied and popularized to ecological restoration of the degraded grasslands are solved.

Description

technical field [0001] The invention relates to the technical field of seedling raising, in particular to a method for seedling raising of Carex brown scales. Background technique [0002] Gansu Yellow River Shouqu (Maqu) National Nature Reserve is located in the east of the Qinghai-Tibet Plateau, the roof of the world known as the "third pole of the earth", in Maqu County, Gannan Tibetan Autonomous Prefecture, Gansu Province. It is the best-preserved Qinghai-Tibet Plateau wetland area in the world. The largest and most representative alpine swamp wetland, its unique geographical environment plays an irreplaceable role in maintaining water resources and ecological security in the Yellow River Basin. However, in the past 60 years, under the frequent interference and destruction of natural and human factors, coupled with historical diversions of the Yellow River, incisions, and groundwater level declines, the ecology of the small area of ​​Maqu alpine grassland has shown a ser...

Claims

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Application Information

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IPC IPC(8): A01G22/00A01C1/00A01G24/28A01G24/15A01G24/10A01G24/20A01G24/00
CPCA01C1/00A01G22/00A01G24/00A01G24/10A01G24/15A01G24/20A01G24/28
Inventor 康建军周立峰周宏刘婵王德金
Owner NORTHWEST INST OF ECO-ENVIRONMENT & RESOURCES CAS
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