A kind of artificial propagation method of Tiantai hornbeam

A technology of hornbeam in Tiantai and artificial reproduction, which is applied in the directions of application, cultivation, agriculture, etc., can solve the problems of difficulty in reproduction of hornbeam in Tiantai, and artificial methods are not easy to reproduce successfully, and achieve the effect of expanding the population.

Inactive Publication Date: 2017-06-16
TAIZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention aims to solve the technical problem that the endangered plant hornbeam is difficult to reproduce in the natural state and the current artificial method is difficult to reproduce successfully, and provides an artificial propagation method of hornbeam, which uses the seeds of hornbeam to grow seedlings Propagation, the seeds break dormancy in advance, the germination rate of the seeds reaches more than 50%, and the seedling rate reaches more than 80%

Method used

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  • A kind of artificial propagation method of Tiantai hornbeam
  • A kind of artificial propagation method of Tiantai hornbeam
  • A kind of artificial propagation method of Tiantai hornbeam

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Embodiment 1

[0060] Embodiment 1: In the last ten days of October, pick the mature seeds of Hornbeam tiantai, choose suitable mother tree materials when picking seeds, and take into account the characteristics of more forest trees and better seed quality. The age of the tree is more than 50 years, and the height of the tree is 10. ~15m, diameter at breast height 15~80cm, store seeds in a ventilated and dry environment at 20°C for one month. Take 500 mature seeds, wash away the empty seeds, and carry out the germination experiment on 405 full seeds. The seeds to be germinated are sterilized with 10% sodium hypochlorite for 30 minutes; the seeds are soaked in distilled water at 25°C for 48 hours; Soak in 50mg / L NAA for 24 hours, and then put in 150mg / L GA 3Soak in medium for 48 hours; then rinse with distilled water and put the seeds into germination pots. Put the germination pot into a light incubator to germinate, set a constant temperature of 25°C, light 1500 lx, and a light-dark cycle o...

Embodiment 2

[0061] Embodiment 2: in late October, pick 500 mature seeds of hornbeam tiantai, wash away the empty seeds, and carry out germination experiment with full 403 seeds, its storage method and breaking dormancy method are the same as embodiment 1, the difference It is to plant the radicle-germinated hornbeam seeds into the planting box filled with soil medium. After the seeds are treated, the first true leaf will grow after 15 days, the second true leaf will grow after 21 days, and the seeds will grow after 23 days. The number of sprouts was 200, and the germination rate was 49.6%. At the beginning of April, when 2 to 3 true leaves grow out, the seedlings are moved to multi-span film greenhouses. The daytime temperature is 20-26°C, the nighttime temperature is 10-15°C, the humidity is 72%, and the light is 12000lx. The seedlings are formed 70 days after treatment. There are 160 seedlings with 4-5 leaves, and the survival rate of transplanted seedlings is 80%.

Embodiment 3

[0062] Embodiment 3: in the last ten days of October, pluck the mature seeds of hornbeam tiantai, 500 grains, wash away the empty grains, and carry out germination experiment with full 390 seeds, its storage method and breaking dormancy method are the same as embodiment 1, the difference What is more is that the roof hornbeam seed that radicle germinates is planted in intelligent sunlight room, is 100cm, the seedling-raising seedbed of thickness 5cm is made into with soil culture medium; Described soil culture medium is alpine deciduous humus soil: river sand=2 : 1, set a constant temperature of 20°C, a humidity of 75%, a light of 3150 lx, a 12h: 12h light-dark cycle, and control the water holding capacity of the soil medium at 45%. The cotyledons were unearthed in 5 to 7 days, the first true leaf grew after 14 to 16 days, and the second true leaf grew after 20 to 25 days. On the 28th day, 206 seeds germinated, and the germination rate was 52.84%; A true leaf grows, set the da...

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Abstract

The invention discloses an artificial multiplication method for carpinus tientaiensis, pertaining to the technical field of artificial multiplication for plants. The artificial multiplication method comprises following steps: (1) picking seeds; (2) storing seeds; (3) breaking dormancy of seeds; (4) selecting soil and culture mediums to grow seedlings; (5) transplanting of nursery stocks. The artificial multiplication method for carpinus tientaiensis has following beneficial effects: by utilization of the method, seeds of carpinus tientaiensis are subjected to mass propagation such that the dormancy characteristic for seeds of carpinus tientaiensis after ripening of embryo is discarded; breaking dormancy of seeds can be rapidly achieved for seeding growth so that germination percentage of seeds is increased by more than 50% and seedling survival percent can reach at more than 80%; the artificial multiplication method is in favor of increase in population of carpinus tientaiensis and has great scientific significance and practical significance in preventing carpinus tientaiensis as endangered plants against extinction.

Description

technical field [0001] The invention belongs to the technical field of plant artificial propagation, and in particular relates to an artificial propagation method of hornbeam tiantai. Background technique [0002] Roof hornbeam ( Carpinus tientaiensis Cheng), belonging to Betulaceae (Betulaceae), genus Carpinus, deciduous tree, born in mountain forests at an altitude of 800-1000m, due to severe habitat fragmentation and weak reproductive capacity, the roof hornbeam is on the verge of extinction , only distributed in Huading Mountain, Tiantai County and Dapan Mountain, Pan’an County, with only 21 plants remaining, with a distribution area of ​​about 0.3 hm 2 , is in a critically endangered state, lower than the stable survival limit of wild populations, belongs to extremely small populations of wild plants, and is listed as a second-class national key protected wild plant; Tiantai hornbeam is a unique species in Zhejiang. It has high scientific research value in terms of fl...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G17/00
CPCA01G17/005
Inventor 陈模舜金则新陈珍
Owner TAIZHOU UNIV
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