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Cultivation method of tetraploid petunia hybrida

A cultivating method and petunia technology, applied in the field of petunia cultivation, can solve the problems of only 35% germination rate, low seed setting rate and low germination rate of tetraploid petunia, and achieve low cost and low environmental pollution. , Environmentally harmless effect

Inactive Publication Date: 2021-12-03
厦门晨顼园艺有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In the prior art, tetraploid petunia has a low seed setting rate and a low germination rate. Even in the normal suitable germination temperature range of 22°C to 24°C, the seedlings are sown in trays, and the germination rate is only about 35% in 6 to 8 days.

Method used

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  • Cultivation method of tetraploid petunia hybrida

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] Embodiment 1: a kind of breeding method of tetraploid petunia, comprises the steps:

[0042] Step 1, immersing the tetraploid petunia seeds in 2wt / % hydrogen peroxide aqueous solution, the soaking temperature is 15°C, and the soaking time is 60min;

[0043] Step 2, after washing, immerse the tetraploid petunia seeds in clear water to accelerate germination by changing temperature and light, and obtain pregerminated tetraploid petunia seeds; wherein, the specific process of accelerating germination by changing temperature and light is:

[0044] S1. Accelerate germination for 12 hours under the conditions of 28-35°C and light intensity of 1000Lx;

[0045] S2. Continue to accelerate germination for 12 hours at 15-25°C and in the dark;

[0046] Steps S3, S1-S2 are processed 4 times in a cycle to obtain pre-germinated tetraploid petunia seeds;

[0047] Step 3: Flatten the cultivation soil into a 30cm high seedbed, sow pre-germinated tetraploid petunia seeds, and sow germin...

Embodiment 2-6

[0050]Embodiment 2-6: a kind of cultivation method of tetraploid petunia, the difference with embodiment 1 is that each component of cultivation soil and corresponding parts by weight thereof are as shown in Table 1:

[0051] Table 1

[0052]

Embodiment 7

[0053] Embodiment 7: a kind of cultivation method of tetraploid petunia, the difference with embodiment 4 is that, the mass concentration of hydrogen peroxide aqueous solution is 3wt% in the described step 1, soaking temperature is 20 ℃, soaking time for 45min.

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Abstract

The invention relates to the technical field of petunia hybrida cultivation, in particular to a cultivation method of tetraploid petunia hybrida which comprises the steps that tetraploid petunia hybrida seeds are soaked in a hydrogen peroxide aqueous solution, after cleaning, the tetraploid petunia hybrida seeds are soaked in clear water for accelerating germination at variable temperature and variable light, and tetraploid petunia hybrida seeds subjected to pre-germination acceleration are obtained; the culture soil is flatly prepared into a seedbed with the height of 25-35 cm, tetraploid petunia hybrida seeds subjected to pre-germination acceleration are sown, and water is sprayed till the soil is thoroughly drenched; after the tetraploid petunia hybrida seeds germinate, when petunia hybrida seedlings have 4-5 true leaves, the petunia hybrida seedlings can be separately planted, and finished plant cultivation can be carried out. According to the preparation method, the tetraploid petunia hybrida can be promoted to germinate through hydrogen peroxide pretreatment and variable-temperature and variable-light pre-germination, and the method has the advantages of high germination rate and high yield.

Description

technical field [0001] The invention relates to the technical field of petunia cultivation, more specifically, it relates to a method for cultivating tetraploid petunias. Background technique [0002] As an important potted flower and flower bed decoration plant in the world, petunia is also called petunia. Perennial herb, often cultivated as one or two years, 20-45 cm high; stems grow on the ground, covered with viscous pilose; leaves are soft, ovate, entire, alternate, upper leaves are opposite; flowers are solitary, in the shape of Funnel-shaped, double-petaled spherical flowers, white, purple or various red flowers, and inlaid with other colored borders, very beautiful, flowering period from April to frost; capsule; seeds are small. [0003] At present, petunia has become the main potted flower and decorative plant in the world. It is widely used in the beautification and greening of courtyards, open-air flower beds, and squares. It is known as the "king of flower beds ...

Claims

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Application Information

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IPC IPC(8): A01C1/06A01C1/02A01C21/00A01G22/60
CPCA01C1/06A01C1/02A01C21/005A01G22/60
Inventor 陈志勇
Owner 厦门晨顼园艺有限公司
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