Raising method of endangered mangrove plant sonneratia paracaseolaris seedlings

A technology for mangrove plants and seedlings, which is applied in the directions of botanical equipment and methods, horticultural methods, planting substrates, etc., can solve the problems such as inability to apply hyssopus seedlings, difficulty in tending endangered mangroves hyssopus, etc., and achieves improved seed germination. rate and seedling yield, overcoming the dependence of seawater, and reducing the effect of application frequency

Active Publication Date: 2019-08-06
HAINAN NORMAL UNIVERSITY +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The existing mangrove seedling raising methods are mainly aimed at common mangrove tree species. Due to the difficulty in tending the

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0039] Example one:

[0040] A method for raising seedlings of the endangered mangrove plant Sonneratia sylvestris includes the following steps:

[0041] (1) Seed treatment: Collect mature fruits from September to October, remove the pulp, take out the seeds from the fruits and soak them in a gibberellin solution with a concentration of 100mg / L for 1.5 hours; the temperature of the gibberellin solution is 28 ~30℃;

[0042] (2) Put the soaked seeds into the seedling block made of sphagnum moss, the depth of burial is no more than 0.5cm; pour diluted sea salt water every day to keep the seedling block moist; put the seedling block in the greenhouse at 25-30℃, Supplement the light, the light intensity is 8000~10000lux; and spray the bactericide (usually spray 2~3 times);

[0043] (3) Select 3 to 4 true leaf seedlings, and transplant them into seedling bags containing nutritious soil together with the seedling blocks, and cultivate them outdoors. The seedling bags are placed on the hard ...

Example Embodiment

[0048] Embodiment two:

[0049] A method for raising seedlings of the endangered mangrove plant Sonneratia sylvestris includes the following steps:

[0050] (1) Seed treatment: Collect mature fruits from September to October, remove the pulp, take out the seeds from the fruits and soak them in a 200mg / L gibberellin solution for 2 hours; the temperature of the gibberellin solution is 22 ~25℃;

[0051] (2) Put the soaked seeds into the seedling block made of sphagnum moss, the depth of burial is no more than 0.5cm; pour diluted sea salt water every day to keep the seedling block moist; put the seedling block in the greenhouse at 25-30℃, Supplement light, the light intensity is 8000~10000lux; and spray fungicides (usually spray 2~3 times);

[0052] (3) Select 3 to 4 true leaf seedlings, and transplant them into seedling bags containing nutritious soil together with seedling blocks, and cultivate them outdoors. The seedling bags are placed on hard cement ground; each seedling bag is pour...

Example Embodiment

[0057] Embodiment three:

[0058] The difference between the third embodiment and the second embodiment is:

[0059] The nutrient soil is made up of sphagnum moss, sea mud and sea sand with a volume ratio of 1:1:1.

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Abstract

The invention relates to a raising method of endangered mangrove plant sonneratia paracaseolaris seedlings. The raising method comprises the following steps that (1) seeds are put in a 100-200 mg/L gibberellin solution to be soaked for 1.5-2 hours; (2) the soaked seeds are put in a seeding raising block; the seeding raising block is put in a greenhouse of 25-30 DEG C, and illumination is supplemented (the strength is 6,000-10,000 lux); a bactericide is sprayed; (3) seedlings with 3-4 main leaves are selected and transplanted into a seeding raising bag containing nutrient soil (sphagnum moss, sea mud and sea sand) together with the seeding raising block, and the seeding raising bag is placed on the hard cement floor; the seeding raising bag is watered with diluted sea salt water every day,and sun-shading is carried out; (4) sterilization, insect killing and topdressing are carried out; (5) after the stems of the seedlings are lignified, a sunshade net is removed, and the seedlings arewatered with the diluted sea salt water every day; (6) the sonneratia paracaseolaris seedlings are transplanted to the wild for planting after growing to more than 40 centimeters. The raising method of the sonneratia paracaseolaris seedlings which has the advantages that the seed germination rate reaches 82-95%, and the seedling rate reaches 73-94% is provided by reasonably preparing the nutrientsoil and reasonably regulating and controlling operating parameters of seed treatment, germination, transplanting and the like.

Description

Technical field [0001] The invention relates to the field of crop seedling cultivation, in particular to a method for tending seedlings of the endangered mangrove plant Sonneratia. Background technique [0002] The endangered mangrove plant Sonneratia paracaseolaris is an evergreen tree of Sonneratiaceae (Sonneratiaceae) Sonneratia. Worldwide, Sonneratia paracaseolaris is only distributed in China's Hainan and Australia, and its plant height can reach 20m. It is the largest mangrove plant in my country. It has a well-developed root system, shoot-like respiratory roots, and luxuriant branches. It has significant effects on soil and water conservation, wind and wave control, embankment reinforcement, protection of farmland and villages, and land formation. It is mainly distributed on the muddy or sandy beaches of bay estuaries with fresh water input. It has strong flood resistance and is a hybrid of Sonneratia and Sonneratia. Under the dual impact of human activities and global cli...

Claims

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Application Information

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IPC IPC(8): A01G17/00A01C1/00A01G24/28A01G24/20A01G24/10A01G7/06
CPCA01C1/00A01G7/06A01G17/005A01G24/10A01G24/20A01G24/28
Inventor 杨勇钟才荣张颖刘强
Owner HAINAN NORMAL UNIVERSITY
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