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Method for improving cold resistance of styrax tonkinensis nursery stocks

A technology of seedlings and jasmine, applied in the field of cold resistance of seedlings, achieves the effect of simple method, broad market prospect and low cost

Inactive Publication Date: 2019-01-15
NANJING FORESTRY UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Purpose of the invention: for the problem of overwintering and cold protection of Tokyo wild jasmine seedlings existing in the prior art, the purpose of the present invention is to provide a method that adopts plant growth regulators to carry out physiological regulation to improve the cold resistance of Tokyo wild jasmine seedlings

Method used

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  • Method for improving cold resistance of styrax tonkinensis nursery stocks

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Cold-resistant treatment of Tokyo wild jasmine located in the nursery of Nanjing Yangzi Jasmine Valley Culture Technology Co., Ltd.:

[0021] (1) buy 15% paclobutrazol wettable powder from the market, be mixed with the aqueous solution that concentration is 60mg / L with clear water;

[0022] (2) On August 20, 2013, the weather was clear and windless, and the average seedling height of Tokyo wild jasmine seedlings was 60cm. At 4 o'clock in the afternoon, spray the Tokyo wild jasmine seedlings for the first time, spray the front and back sides of the seedling leaves and the stems of the seedlings evenly, and the solution dosage is 100mL per plant;

[0023] (3) On September 10, 2013, the weather was fine and there was a breeze. At about 9 o'clock in the morning, the Tokyo wild jasmine seedlings were sprayed for the second time. The front and back sides of the seedling leaves and the seedlings were all sprayed evenly. 100mL per plant;

[0024] (4) After the spraying is com...

Embodiment 2

[0027] Carry out cold-proof treatment for the Tokyo wild jasmine of the same batch in Example 1, the concentration of the paclobutrazol aqueous solution that adopts is 90mg / L, on August 20th and September 10th, 2013, test area nursery stock is sprayed respectively, Spray the front and back sides of the seedling leaves and the stems of the seedlings evenly, and the solution dosage is 100mL per plant. On February 20, 2014, the frost damage of seedlings was counted. At the same time, the seedling branches were taken, the relative conductivity was measured, the semi-lethal temperature was calculated, and the soluble sugar content and proline content were measured. The results are shown in Table 1.

Embodiment 3

[0029] Carry out cold-proof treatment for the Tokyo wild jasmine of the same batch as in Example 1, the concentration of the paclobutrazol aqueous solution that adopts is 120mg / L, on August 20th and September 10th, 2013, test area seedlings were sprayed respectively, Spray the front and back sides of the seedling leaves and the stems of the seedlings evenly, and the solution dosage is 100mL per plant. On February 20, 2014, the frost damage of seedlings was counted. At the same time, the branches of seedlings were taken, the relative conductivity was measured, the semi-lethal temperature was calculated, and the soluble sugar content and proline content were measured. The results are shown in Table 1.

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Abstract

The invention discloses a method for improving the cold resistance of styrax tonkinensis nursery stocks, and belongs to the technical field of nursery stock cold resistance. The method comprises the following steps: carrying out the first-time spraying on the styrax tonkinensis nursery stocks with a paclobutrazol aqueous solution in a sunny and windless day in the middle and late August; after 15-25 days, carrying out the second-time spraying on the styrax tonkinensis nursery stocks with the paclobutrazol aqueous solution; after spraying is completed, subjecting the nursery stocks to conventional management. The method is simple and convenient, the cost is low, and the treatment effect is good, so that safe overwintering of the styrax tonkinensis nursery stocks in the northern subtropic zones, and the method has a wide market prospect and a relatively high popularization value.

Description

technical field [0001] The invention belongs to the technical field of cold resistance of seedlings, and relates to a method for improving the cold resistance of seedlings, more specifically, to a method for improving the cold resistance of Tokyo Jasmine seedlings. Background technique [0002] Tokyo wild jasmine (Styrax tonkinensis) is a deciduous tree belonging to the family Benzoinaceae. This tree species is mainly distributed in the south subtropical and mid-subtropical low mountain and hilly areas with an altitude of 100-1000m. It has strong adaptability to the environment and likes to grow on sunny or semi-sunny slopes with warm and humid climate, deep soil, slightly acidic, and good drainage. Woods or forest margins. [0003] Tokyo jasmine is a tree species with many uses. The seed oil content of this tree species is as high as 70%, and contains a large amount of oleic acid and linoleic acid necessary for the human body. It is not only a good raw material for proces...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G17/00A01G7/06
CPCA01G17/005A01G7/06
Inventor 喻方圆张子晗吴岐奎陈晨
Owner NANJING FORESTRY UNIV
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