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A cold-resistant acclimation method for potted candela seedlings for planting at high latitudes

A high-latitude, candela technology, applied in botany equipment and methods, horticultural methods, cultivation, etc., can solve the problems of low survival rate of afforestation and difficult adaptation

Active Publication Date: 2020-08-11
舟山赛莱特海洋科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Moreover, hypocotyls or seedlings are usually used for afforestation in the past production practice, and it is difficult to adapt to the harsh environment of difficult tidal flats after planting, resulting in a low survival rate of afforestation

Method used

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  • A cold-resistant acclimation method for potted candela seedlings for planting at high latitudes
  • A cold-resistant acclimation method for potted candela seedlings for planting at high latitudes
  • A cold-resistant acclimation method for potted candela seedlings for planting at high latitudes

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0044] (1) Seed selection: Candela seeds come from Fujian, and the collection time is from April to May every year. The first batch of precocious hypocotyls or eight or nine mature hypocotyls are collected, which have strong cold resistance and adaptability. Soak the seeds in local seawater for 1 hour and send them to the planting site as soon as possible (within 4 days). During the transportation of seedlings (that is, hypocotyls of candelabra), the tops of the seedlings are placed in the air-permeable bamboo baskets, and the bottom layer is placed with straw, which cannot be piled up, and ventilation is ensured.

[0045] (2) Placement of flowerpots: place flowerpots in the planting place, and then fill the flowerpots with planting soil; the diameter of the flowerpots used is 26cm, and the depth is 21cm; 50 meters away from the seawall, where the tide rises and falls, place 9 pots per square meter; the planting soil is a mixture of sea mud and sand, and the mass ratio of sea ...

Embodiment 2-5

[0061] Compared with Example 1, Example 2-5 is the same except that the temperature acclimation conditions in step (4) acclimatization are different; specifically, the specific steps of high and low temperature alternate acclimation cultivation in Example 2-5 are shown in Table 2 , T in Table 2 represents the minimum outdoor temperature, see Table 3 for acclimation test results.

[0062] Temperature acclimation condition in table 2 embodiment 2-5

[0063]

[0064]

[0065]

[0066] Acclimatization test result in table 3 embodiment 2-5

[0067]

Embodiment 6

[0069] In this example, except that the specific steps of alternating high and low temperature domestication and cultivation of candela hypocotyls transplanted in the planting place are different from those in Example 1, other steps are the same as in Example 1. The specific steps of high and low temperature alternate domestication and cultivation in this embodiment as follows:

[0070] The first stage of acclimation step: when the minimum outdoor temperature reaches 6°C, roll up the roller blinds for low-temperature acclimation for 10 days. During this period, the minimum outdoor temperature T should be higher than 2°C; Above 10°C, domesticate for 10 days;

[0071] The second stage of acclimation step: when the minimum outdoor temperature reaches 2°C, roll up the roller blinds for low-temperature acclimation for 10 days. During this period, the minimum outdoor temperature T should be higher than 0°C; Above 8°C, domesticate for 10 days;

[0072] The third stage of acclimatio...

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Abstract

The invention relates to a cold-resistant acclimation method for kandelia candel seedling pot plants planted at a high latitude. The method successively comprises the following steps that firstly, kandelia candel hypocotyls developing well are collected, soaked by using seawater and transplanted to a planting field as soon as possible; secondly, flower pots are placed on the planting field and then filled with planting soil; then, the kandelia candel hypocotyls are inserted and planted in the flower pots; finally, before winter, a greenhouse is built on the planting field, it is guaranteed that tidewater can normally rise and fall to the interior of the greenhouse, and the kandelia candel hypocotyls which are inserted and planted in the flower pots are subjected to high-temperature and low-temperature alternative acclimation cultivation. According to the cold-resistant acclimation method, in the natural mudflat environment, a potting technology is used for seedling raising and acclimation at the same time, the survival rate is increased, and afforestation through kandelia candel is achieved in harsh mudflats; in the seedling raising process in winter, the environmental temperatureof the greenhouse is continuously adjusted, so that seedlings gradually adapt to the cold climate, the adaptive capacity to the lower temperature is improved, and the mangrove forest grows in a high-latitude area with the north latitude of 28-31 degrees.

Description

technical field [0001] The invention relates to a cold-resistant acclimation method for potted candela seedlings for planting at high latitudes. It is a method for transplanting and acclimating mangrove plant candela to the north by using pot technology, and belongs to the technical field of mangrove plant cultivation. Background technique [0002] Mangrove refers to a tidal wetland woody biome composed of evergreen shrubs or trees that grow in the upper part of the tropical and subtropical low-energy coastal intertidal zone and are flooded by periodic tides. It grows in tidal flats and shoals at the junction of the land and the ocean, and is a special ecosystem where the land transitions to the ocean. Mangroves are good coastal shelterbelts, which can prevent wind and waves, promote siltation and beach protection, strengthen shore embankments, purify seawater and air, and are ideal places for marine organisms to multiply and inhabit, with good social and ecological benefits...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G17/00A01G7/06
CPCA01G7/06A01G17/005
Inventor 宋文东蔡璐郭健纪丽丽
Owner 舟山赛莱特海洋科技有限公司
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