Method for accelerating cucumber growth and special culture medium thereof

A culture medium and cucumber technology, applied in botany equipment and methods, cultivation, application, etc., can solve problems such as different sensitivities to salt stress, and achieve the effect of improving growth and utilization

Inactive Publication Date: 2010-07-14
INST OF BOTANY CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there is no uniform standard for the concentration lower limit of salt stress, and different plant species show different sensitivities to salt stress

Method used

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  • Method for accelerating cucumber growth and special culture medium thereof
  • Method for accelerating cucumber growth and special culture medium thereof
  • Method for accelerating cucumber growth and special culture medium thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] The cucumber variety selected for the experiment is Yuexiu No. 3, which comes from Guangdong Academy of Agricultural Sciences. Take the plump and consistent Yuexiu No. 3 cucumber seeds, wash them with distilled water, germinate them in a petri dish for 24 hours, and sow them in plastic pots with a diameter of 13.0 cm, a depth of 15.0 cm, and 4 / 5 volume of vermiculite. Soaked in distilled water, sow 3-5 seeds per pot. After 3 days of emergence, 1 seedling was evenly retained in each pot, and 100ml of medium was poured every 2 days for each pot of seedlings. The contents of macronutrients and trace elements in the medium were respectively: H 3 BO 3 : 23 μM; MnCl 2 4H 2 O: 4.5 μM; CuSO 4 ·5H 2 O: 0.16 μM; ZnSO 4 ·7H 2 O: 0.38 μM; Na 2 MoO 4 2H 2 O: 0.125 μM; MgSO 4 ·7H 2 O: 1mM; KNO 3 : 2.5mM; Ca(NO 3 ) 2 4H 2 O: 1.5mM; Fe-EDTA: 50μM; pH value is 6.5, treat after the first new leaf is fully unfolded.

[0039] Two treatments were set up in the experiment, r...

Embodiment 2

[0045] The test operation process and steps were the same as in Example 1, but the concentration of putrescine was changed to 10 μM.

[0046] After adding 10 μM putrescine on the basis of the original nutrient solution, the plant height of cucumber was 20.0 cm before improvement, and 23.1 cm after improvement, which was an increase of 15% compared with that before improvement; the biomass of the shoot of each plant before improvement It was 6.5 grams, which increased to 7.5 grams after improvement, an increase of 16% compared with that before improvement; the biomass of each plant underground was 0.75 grams before improvement, and increased to 0.86 grams after improvement, an increase of 14% than before improvement.

Embodiment 3

[0048] The test operation process and steps were the same as in Example 1, but the concentration of putrescine was changed to 100 μM.

[0049] After adding 100 μM putrescine on the basis of the original nutrient solution, the plant height of cucumber was 21.0 cm before improvement, and 23.0 cm after improvement, which was 10% more than before improvement; the biomass of each plant aboveground before improvement It was 7.0 grams, which increased to 7.9 grams after improvement, which was an increase of 13% compared with that before improvement; the biomass of each plant underground was 0.80 grams before improvement, and increased to 0.89 grams after improvement, which was an increase of 12% than before improvement.

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Abstract

The invention discloses a method for accelerating cucumber growth and a special culture medium thereof. Not only macroelements and microelements necessary for plant growth but also putrescine used for regulating plant growth are added in the special culture medium used for accelerating cucumber growth. The method is to culture cucumber in the special culture medium used for accelerating cucumber growth under condition of salt stress, wherein concentration of the putrescine is 10-10mu m and 50mu m is preferred. The culture medium can accelerate cucumber growth in salt marsh, thereby improving resource utilization rate and guaranteeing vegetable production in salinization areas.

Description

technical field [0001] The invention relates to a method for promoting the growth of cucumber and a special culture medium thereof. Background technique [0002] Although there are many reports on fertilizer varieties for improving plant salt tolerance, there are still few studies on how to improve the salt tolerance of vegetables such as cucumbers under the condition of soilless nutrient solution culture. Soil salinization seriously restricts the production of vegetables in our country, and at the same time, in the southern islands of our country, the shortage of fresh water resources is a major factor restricting its agricultural production. [0003] Cucumber is very sensitive to salt stress, and water salinization is the key factor limiting cucumber production. Ion toxicity is mainly due to the excessive intake of Na by plants -1 、K -1 , Cl -1 Plasma increases the concentration of ions in plant cells, but many enzymes in cells can only be active in a narrow range of i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G31/00
Inventor 张文浩李银心王宝兰
Owner INST OF BOTANY CHINESE ACAD OF SCI
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