Paeonia rockii seed accelerating germination method

A technology of purple spot peony and seeds, which is applied in the directions of seed and rhizome treatment, application, agriculture, etc., can solve the problems of restricting the cultivation and popularization of purple spot peony, the effect is not ideal, and the cultivation cost is high, so as to achieve convenient management, increase the emergence rate, and low cost Effect

Active Publication Date: 2016-02-10
JIANGSU AGRI ANIMAL HUSBANDRY VOCATIONAL COLLEGE
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  • Application Information

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Problems solved by technology

However, after sowing untreated or only soaked seeds in warm water, the germination rate is very low, less than 30%, and it takes more than half a year for germination and rooting, which seriously restricts the cul

Method used

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  • Paeonia rockii seed accelerating germination method
  • Paeonia rockii seed accelerating germination method
  • Paeonia rockii seed accelerating germination method

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Experimental program
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Effect test

Embodiment 1

[0024] Such as figure 1 Shown, a method for releasing the dormancy of the hypocotyl of the peony seed, comprising the steps:

[0025] The method for releasing the dormancy of the hypocotyls of the peony seeds comprises the following steps:

[0026] 1) For seed treatment, soak in 0.3% potassium permanganate solution for 30 minutes for disinfection, rinse with distilled water and dry in the shade for later use; prepare potassium permanganate solution with cold boiled water, and prepare it as needed.

[0027] 2) The sterilized and washed peony seeds were treated with 100mg / L gibberellin (GA 3 ), 300mg / LGA 3 , 500mg / LGA 3 ,700mg / LGA 3 Soak for 48h. Soak in distilled water as the control (CK).

[0028] 3) Then, the soaked seeds are stratified with different substrates, specifically sand stratification, peat stratification and coconut chaff stratification. 100 seeds per treatment, repeated 3 times.

[0029] 4) The specific operation of layering treatment is to sterilize the ...

Embodiment 2

[0034] As shown in Figure 2, a method for removing the dormancy of the epicotyl of the peony seeds comprises the following steps:

[0035] 1) Seed selection, select seeds with 0.5cm≤root length<3cm and root length≥3cm for germination treatment respectively.

[0036] 2) Soak the root-promoted seeds of Paeonia japonica with concentrations of 100mg / L, 200mg / L, 300mg / L and 400mg / L gibberellin for 2h or 1h.

[0037] 3) Substratum layering treatment, and placed at a constant temperature of 25°C to accelerate germination and moisturize. Each treatment is divided into 3 parts, and the sand layering, peat layering, and coconut bran layering are carried out separately, and they are placed at a constant temperature of 25°C, paying attention to moisturizing.

[0038] Lamination treatment, moisturizing method are the same as embodiment 1.

[0039] Such as figure 1 As shown, by implementing and applying the method for accelerating germination of Paeonia chinensis seeds of the present inv...

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Abstract

The invention discloses a paeonia rockii seed accelerating germination method which comprises a paeonia rockii epicotyl dormancy breaking method and a paeonia rockii hypocotyl dormancy breaking method; the paeonia rockii hypocotyl dormancy breaking method comprises the followings: soaking sterilized paeonia rockii seeds with GA3 with the concentration of 100-700 mg/L and carrying out stratification treatment on a substrate; the paeonia rockii epicotyl dormancy breaking method comprises the followings: selecting seeds with the root length greater than or equal to 0.5 cm and less than or equal to 3 cm, carrying out accelerating germination treatment on the seeds respectively, soaking root-promoted paeonia rockii seeds with GA3 with the concentration of 100-400 mg/L, carrying out stratification treatment on the substrate, and placing the seeds at the constant temperature of 25 DEG C for accelerating germination and moisturizing. According to the invention, the double paeonia rockii seed dormancy breaking technologies are adopted, so that the germinating time is shortened, the seeds germinate after being sown for 97 days only, the highest emergence rate can reach 90% or above and the paeonia rockii seed accelerating germination method is suitable for large-scale promotion and cultivation.

Description

technical field [0001] The invention belongs to the technical field of plant cultivation, and in particular relates to a method for accelerating germination of peony seeds. The invention comprises a method for releasing epicotyl dormancy and hypocotyl dormancy of seeds of peony purpura. Background technique [0002] Peonies, especially purple-spotted peonies, not only have high ornamental value, but also are important peony varieties for oil [0003] One, sowing seedlings is an important way to obtain a large number of oil-used peony seedlings. However, after sowing untreated or only soaked seeds in warm water, the germination rate is very low, less than 30%, and the germination and rooting period needs more than half a year, which seriously restricts the cultivation and promotion of purple spot peony. The reason is that peony seeds have double dormancy characteristics, which are specifically manifested in the dormancy of radicle (hypocotyl) and germ (epicotyl). Relieving ...

Claims

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Application Information

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IPC IPC(8): A01C1/00
Inventor 刘行
Owner JIANGSU AGRI ANIMAL HUSBANDRY VOCATIONAL COLLEGE
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