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Seedling propagation and cultivation method for mangrove plant, heritiera littoralis

A technology of mangrove plants and silver leaves, applied in botany equipment and methods, seed immunization, seed and rhizome treatment, etc., can solve the problems of low seedling rate, low survival rate of saplings, low seed germination rate, etc., to achieve The effects of increasing germination rate, suitable protection and production, and shortening germination time

Active Publication Date: 2014-12-17
SHENZHEN GREENJIUZHOU LANDSCAPING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These factors alone or combined have led to problems such as low seed germination rate, low seedling rate or low survival rate of seedlings and saplings during afforestation when breeding silver leaf tree seedlings.

Method used

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  • Seedling propagation and cultivation method for mangrove plant, heritiera littoralis

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] Such as figure 1 As shown, the sand storage pit is located outdoors, and sea sand—fruit—sea sand—sand is filled in layers sequentially. In this way, a relatively stable seed storage environment can be maintained, and the after-ripening of the seeds can be completed while avoiding the low temperature stress. During the storage process, no management is required. The germination time of the silver leaf tree seeds stored by this method is shortened, and the germination rate is as high as 99.8%, and the seedlings are neat.

Embodiment 2

[0043] In September 2010, 500 fruits were collected from 5-20-year-old mature silver leaf trees in Yanzao, Shenzhen. Rinse it with tap water, soak it in 0.5% potassium permanganate solution for 30 minutes, take it out, dry it in the sun, and pack it into a bag.

[0044] In October 2010, a sandy soil burial pit was excavated on a piece of land far away from the sea in the sea garden in the west of Shenzhen, and the sea sand-silver leaf tree fruit-sea sand-sand soil was buried in layers.

[0045] In March 2010, a seedbed was leveled in the sea pastoral nursery in the west of Shenzhen. After 20 days of disinfection, the fruit of the silver leaf tree was taken out for direct sowing, with a plant spacing of 25 cm and a row spacing of 40 cm.

[0046] From April 2010, the seedbed was sprayed or irrigated with fresh water or salt water according to step D. After 30 days, seedlings broke through the soil and emerged one after another, and the emergence rate reached 100% after 40 days. ...

Embodiment 3

[0049] In October 2007, 1,000 fruits were collected from 6-9-year-old mature silver-leaved trees in Shenzhen Futian Mangrove Reserve. Rinse it with tap water, soak it in 0.5% potassium permanganate solution for 30 minutes, take it out, dry it in the sun, and pack it into a bag.

[0050] In November 2007, a highland was selected in the Futian Mangrove Nature Reserve in Shenzhen, a sand burial pit was excavated, and sea sand—silver leaf tree fruit—sea sand—sand was buried in layers.

[0051] In April 2008, a seedbed was leveled in the Shenzhen Futian Mangrove Nature Reserve. After 15 days of disinfection, the fruit of the silver leaf tree was taken out and directly sown with a spacing of 20 cm and a row spacing of 35 cm.

[0052] From April 2008, the seedbed was sprayed or irrigated with fresh water or sea water according to step D. After 30 days, seedlings broke through the soil and emerged one after another, and the emergence rate reached 99% after 40 days. In October, the su...

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Abstract

The invention provides a seedling propagation and cultivation method for a mangrove plant, heritiera littoralis. The seedling propagation and cultivation method comprises the following steps: step A, selecting plants of 5-20 year heritiera littoralis having no plant diseases and insect pests as mother trees, collecting fruits with plump forms and blue-dun peelings from August to October per year, disinfecting, sun drying and bagging; step B, storing the fruits into sand; step C, selecting a nursery field, disinfecting seedbed substrate, and 10 to 15 days later, carrying out direct sowing to the fruits of heritiera littoralis; step D, carrying out acclimatization to the seedlings of heritiera littoralis so as to adapt to halophytic environment and fresh water environment; step E, after the seedlings of heritiera littoralis grow to 0.8 to 1.5m, carrying out earth removing and transplanting and then placing the seedlings into bottoms of planting holes waiting for planting, and using seaside natural marine mud for strong seedlings. The seedling propagation and cultivation method provided by the invention expands the survival adaptation range of the seedlings of the heritiera littoralis, the seedlings cultivated not only can be planted in a intertidal zone environment where sea water can reach directly, but also can be cultivated in land far away from sea water, so that forestation and propagation of the heritiera littoralis are facilitated, and the seedling propagation and cultivation method is suitable for protection and production to heritiera littoralis resource, and is also is suitable for landscape application.

Description

technical field [0001] The invention relates to a method for afforestation and multiplication of mangroves, in particular to a method for breeding and cultivating silver leaf tree seedlings. Background technique [0002] Silver leaf tree is one of the important tree species of mangrove community. It is usually distributed on the inner edge of the beach near the high tide line, as well as on the bottom of the beach or coastal land that can only be flooded by high tide or super high tide. It has typical marine and terrestrial habitat adaptability and unique Ecological functions have extremely important research value and application value in restoring coastal wetland vegetation, enriching species diversity, and exploring the succession of marine and terrestrial plant communities. [0003] Silverleaf tree is amphibious, and can grow on the inner edge of mangrove environment or on the continental edge accessible by irregular high tide, and the leaves Cl - The content and degree...

Claims

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Application Information

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IPC IPC(8): A01G1/00A01C1/00A01C1/08
CPCY02A40/22Y02P60/40
Inventor 胡长云徐贵红
Owner SHENZHEN GREENJIUZHOU LANDSCAPING
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