Petunidin greenhouse seedling nursing method

A petunia and greenhouse technology, applied in the field of greenhouse seedlings, can solve the problems of low germination rate and seedling rate, and achieve the effect of increasing germination rate, easy implementation and cost saving

Inactive Publication Date: 2010-06-09
秦兰娟
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a petunia greenhouse seedling raising method to improve the current low germination rate and seedling rate

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] The petunia greenhouse seedling raising method of the present embodiment comprises the following steps

[0020] (1) On November 4, 2008, when the outdoor minimum temperature was 6°C and the maximum temperature was 21°C, a seedbed was built with red bricks on a solar greenhouse bed (70 cm high from the ground), 10 meters long and 2 meters wide ( There is a row of bricks in the middle, which is convenient for people to leave and easy to manage), with a height of 30 cm;

[0021] (2) Preparation of cultivation soil for petunia seedlings: pass the garbage soil accumulated in the garbage dump for more than 5 years through a 2cm sieve, and then disinfect it. The disinfectants used include pentachloronitrobenzene at 50 grams per cubic soil and 60 gram / cubic soil of phoxim particles, and water for 3 days; first fill the seedbed with sterilized culture soil with a thickness of 20cm, and then use a 1cm sieve to further refine the sterilized garbage soil, and further refine it Fil...

Embodiment 2

[0027] The petunia greenhouse seedling raising method of the present embodiment comprises the following steps

[0028] (1) On November 9, 2008, when the minimum outdoor temperature was 4°C and the maximum temperature was 18°C, a seedbed was built with red bricks on a solar greenhouse bed (70 cm high from the ground), with a length of 10 meters and a width of 2 meters ( There is a row of bricks in the middle, which is convenient for people to leave and easy to manage), with a height of 30 cm;

[0029] (2) Preparation of cultivation soil for petunia seedlings: preliminary refinement and disinfection method are carried out in Example 1 simultaneously, wherein watering is boring for 5 days after disinfection; first fill the disinfection cultivation soil with a thickness of 20cm on the seedbed, and then use a 1cm sieve The sterilized garbage soil is further refined, and the further refined soil is filled in the seedbed, so that the total thickness of the seedbed reaches 30cm; it is...

Embodiment 3

[0035] The petunia greenhouse seedling raising method of the present embodiment comprises the following steps

[0036] (1) On November 4, 2008, when the outdoor minimum temperature was 6°C and the maximum temperature was 21°C, the seedling trays were placed neatly on the sunlight room temperature bed (70 cm high from the ground) (the size of the seedling trays was 50cm×30cm) ;

[0037] (2) Preparation of cultivation soil for petunia seedlings: pass wheat bran through a 20-mesh sieve, then mix it with leaf humus soil in a mass ratio of 2:1, dilute 500 times with carbendazim wettable powder, and water and disinfect; use;

[0038] (3) In the solar greenhouse, sow the seeds harvested that year on the seedbed evenly at a density of 2000 grains / square meter, and do not cover after sowing; it is required that the cultivation soil be drenched with water before sowing, and the water content after sowing should be controlled at 65% ; During this period, the minimum temperature at night ...

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Abstract

The invention relates to a petunidin greenhouse seedling nursing method which comprises two modes of seedbed seedling nursing and seedling dish seedling nursing, and mainly controlled conditions comprise temperature, soil porocity and the fertility of a seedbed or a seedling dish. When the method is used, the germination percent of petunidin can reach 70-80 percent, and the planting percent can reach 65-75 percent; the control for all the conditions in the method is more easily realized, and the method is simple to operate, is suitable for being used in cold areas without advanced seedling nursing conditions in winter, and greatly saves the expenses of externally purchasing fresh flowers in spring.

Description

technical field [0001] The invention relates to a greenhouse seedling raising method for petunia, belonging to the technical field of greenhouse seedling raising. Background technique [0002] Petunia is a perennial herb of Solanaceae. It is widely cultivated all over the world. It has a long flowering period and can quickly bloom in large quantities. It is a plant widely used in greening and beautifying the environment in recent years. However, petunia has a low seed setting rate, small and expensive seeds, and the number of seeds per gram is 9500-10000, which is difficult to collect and has a low germination rate. In the normal suitable germination temperature range of 22°C-24°C, the seedlings are sown in trays, germinate in 6-8 days, and the germination rate is only 50%-60%. Field sowing in May, 15-20 days to germinate, the germination rate is less than 50%. In the off-season autumn and winter, the germination rate is even lower, only about 20%. At present, there are a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/00A01G9/10
Inventor 秦兰娟吴国华陈桂娟邱海峰李春枝
Owner 秦兰娟
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