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Method for promoting growth of brassica chinensis L.

A vegetable and biomass technology, applied in horticultural methods, botanical equipment and methods, horticulture, etc., can solve problems such as undiscovered geniposide

Inactive Publication Date: 2016-05-04
GUANGXI NORMAL UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, no research on the use of geniposide to promote the growth of green vegetables has been found so far. The present invention has discovered the method of using geniposide to promote the accumulation of green vegetables through research, and has found the use of geniposide to promote the growth of green vegetables after multiple screenings. The optimal drug concentration of

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  • Method for promoting growth of brassica chinensis L.
  • Method for promoting growth of brassica chinensis L.
  • Method for promoting growth of brassica chinensis L.

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Embodiment 1 Materials and methods

[0024] 1. Experimental materials

[0025] The geniposide used in this experiment is a high-purity (≥98%) product donated by Guangxi Shanyun Biochemical Technology Co., Ltd., green cabbage (Brassica chinensis L.) seeds, the variety is heat-resistant 605; it was purchased from Yangzhou Yangzi Seed Industry Co., Ltd.

[0026] 2. Experimental method

[0027] 2.1 Sowing and field management

[0028] The experiment was carried out in the greenhouse of Yangzhou University Experimental Farm. On the morning of October 15, 2014, plowing was carried out, an appropriate amount of compound fertilizer was applied, and then plowing was carried out to make it level. Sow seeds around 4 pm on October 20 and water them. On the morning of October 25th, the green vegetables sprouted. The green vegetables were transplanted at the three-leaf stage on November 15. The row and plant spacing of each plot was 15 cm, and the same fertilizer and water manag...

Embodiment 2

[0038] Example 2 Effect of geniposide on chlorophyll fluorescence parameters of cabbage leaves

[0039] The chlorophyll fluorescence parameter of plants refers to the light energy conversion efficiency of the maximum PSⅡ (photosynthesis dark reaction stage), corresponding to the photosynthetic rate of plants, the higher the value of Fv / Fm, the higher the photosynthetic rate, and the CO absorbed by plants in photosynthesis 2 The more, the more carbs are made and the higher the yield. Depend on figure 1It can be seen that with the increase of geniposide concentration, the value of Fv / Fm of the five groups of green cabbage leaves showed a trend of first increasing and then decreasing, and the geniposide treatment groups (10mg / L, 25mg / L, 50mg / L and 100mg / L) the value of Fv / Fm of green cabbage leaves was greater than that of the control group. Among them, the value of leaf Fv / Fm of green cabbage reached the maximum value of 0.865 when the concentration of geniposide was 25 mg / L, ...

Embodiment 3

[0040] Example 3 Effect of geniposide on chlorophyll SPAD value of cabbage leaves

[0041] Chloroplast is the organ of higher plants for photosynthetic reaction, and chlorophyll is the main component of chloroplast, the level of chlorophyll content has a close relationship with the photosynthetic reaction of plants. In the actual operation process, the SPAD value of leaves is usually measured by SPAD-502 chlorophyll meter, and the chlorophyll SPAD value has also become the characterization of chlorophyll-related content. Depend on figure 2 It can be seen that with the increase of geniposide concentration, the chlorophyll content of the five groups of vegetables showed a trend of increasing first and then decreasing, and the geniposide treatment groups (10mg / L, 25mg / L, 50mg / L and 100mg / L ) The chlorophyll content of green vegetable leaves was greater than that of the clean water control group. Among them, the chlorophyll content of green cabbage leaves reached the maximum va...

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Abstract

The invention discloses a method for promoting growth of brassica chinensis L. According to the method, geniposide is used as a yield-increasing agent, the chlorophyll content of brassica chinensis L. is raised, the chlorophyll luminous energy conversion efficiency is promoted, accumulation of soluble sugar and protein is raised, growth of brassica chinensis L. is promoted, and the yield is raised. It is further found that an effective amount of geniposide can further eliminate active oxygen and free radicals in brassica chinensis L., activity of peroxidase (POD) and superoxide dismutase (SOD) in brassica chinensis L. is pushed to be lowered, and plant stress resistance is enhanced. It is particularly found that the low concentration (25mg / L) of geniposide is remarkable in effect of promoting growth of brassica chinensis L., and the high concentration (100mg / L) of geniposide is unremarkable in promoting effect.

Description

technical field [0001] The invention belongs to the field of agricultural production, and in particular relates to a method for increasing the production of crops and vegetables. Background technique [0002] Geniposide is an iridoid glucoside extracted from Rubiaceae plant Gardenia jasminoides Ellis, which is non-toxic and easily soluble in water. In addition to being used as a food coloring agent, a chromogenic agent for biological detection, a cross-linking agent for biological materials or a biological carrier, geniposide also has the effects of analgesia and blood pressure reduction, antibacterial and anti-inflammatory effects. With the deepening of research, geniposide has been widely used in medicine, biological detection, agriculture and biomedical technology. [0003] Geniposide has strong physiological activity and is the plant hormone with the highest natural content found so far. It can be used as a rooting accelerator and crop yield increasing agent to promote ...

Claims

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Application Information

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IPC IPC(8): A01G7/06
CPCA01G7/06
Inventor 钱善勤
Owner GUANGXI NORMAL UNIV OF SCI & TECH
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