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Application of jasmonic acid methyl ester analogue serving as plant growth adjusting agent

A plant growth regulator, methyl jasmonate technology, applied in the direction of plant growth regulators, plant growth regulators, applications, etc., can solve problems such as difficult to achieve the best, to achieve improved stress resistance, high biological activity, and promote The effect of plant resistance

Active Publication Date: 2013-02-13
YANTAI INST OF COASTAL ZONE RES CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] ⑤ The effect of plant growth regulators is affected by many factors, and it is difficult to achieve the best

Method used

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  • Application of jasmonic acid methyl ester analogue serving as plant growth adjusting agent
  • Application of jasmonic acid methyl ester analogue serving as plant growth adjusting agent
  • Application of jasmonic acid methyl ester analogue serving as plant growth adjusting agent

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] Inhibitory effect of methyl jasmonate analogues such as formula (I) compounds on lettuce seed germination:

[0038] The preparation of the test solution is to dissolve the compounds 1, 2, 5, 7, 13, 17, and 21 in Table 1 in water, and at the same time, in order to increase the solubility of the compound in water and the uniformity of distribution, add 30mL of the compound per liter of the aqueous solution Dimethyl sulfoxide, which is made into different concentrations of plant culture fluid to treat lettuce seeds to carry out lettuce seed germination inhibition test, after 45 hours, measure its germination rate relative to the control (see Table 2) (germination rate = after adding number of germinated seeds / number of blank germinated seeds).

[0039] Table 2

[0040]

[0041] Compared with the control group, the synthetic methyl jasmonate analogs shown in the above table 2 have a better inhibitory effect on the germination of lettuce seeds, and the inhibition rate is...

Embodiment 2

[0043] Induction effect of methyl jasmonate analogs such as compounds of formula (I) on paclitaxel production in yew cells

[0044]The preparation of test solution is to dissolve compound 1,2,5,7,13,17,21 in table 1 in water, in order to increase the solubility and the uniformity of distribution of this type of plant growth regulator in water, every liter of compound aqueous solution Add 30mL dimethyl sulfoxide to the medium to make different concentrations, induce taxus cells paclitaxel, and use 100mL Erlenmeyer flasks for subculture. The control group is the subculture medium without adding plant growth regulators, and the experimental group is Add the subculture medium of above-mentioned different concentrations of plant growth regulators; Suspend the cells, put the fresh cells into a 100mL Erlenmeyer flask with an inoculation density of 12% after sterile suction filtration (add 4.8g of fresh cells to each Erlenmeyer flask containing 40mL medium), and then place the Erlenme...

Embodiment 3

[0049] Induction effect of methyl jasmonate analogs such as compounds of formula (I) on chlorophyll content of Ginkgo biloba leaves

[0050] The preparation of test solution is to dissolve compound 1,2,5,7,13,17,21 in table 1 in water, in order to increase the solubility and the uniformity of distribution of this type of plant growth regulator in water, every liter of compound aqueous solution Add 30mL dimethyl sulfoxide to it to make solutions with different concentrations, and use it as a culture medium to induce ginkgo leaves. Take 0.2 g ginkgo leaf sample after induction for 48 hours, add a small amount of quartz sand, and then add 10 mL of 80% acetone to grind it into a homogenate until the tissue turns white. The homogenate is centrifuged at a speed of 4000 r / min for 10 min in a centrifuge. Take the supernatant and measure its absorbance at wavelengths of 663nm and 645nm, and use 80% acetone as a blank control. According to the formula Ca=12.21OD 663 -2.81OD 645 , Cb=...

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Abstract

The invention relates to a plant growth adjusting agent, in particular to the application of jasmonic acid methyl ester analogue serving as the plant growth adjusting agent. The analogue serving as the plant growth adjusting agent has high biological activity, and low-density water solution can promote growth and sprouting of the plants. In addition, the adjusting anent promotes resistance of the plants, such as insect pest resistance, high temperature resistance, low temperature resistance, salt and alkali resistance, drought resistance, cold damage resistance and the like.

Description

technical field [0001] The invention relates to a plant growth regulator, in particular to the application of a methyl jasmonate analogue as a plant growth regulator. Background technique [0002] Plant growth regulators are a class of pesticides used to regulate plant growth and development, including synthetic compounds and natural plant hormones extracted from organisms. Plant growth regulators are a class of substances that have similar physiological and biological effects to plant hormones. It has been found that the functional substances that regulate plant growth and development include auxin, gibberellin, ethylene, cytokinin, abscisic acid, brassinolide, salicylic acid, jasmonic acid and polyamines, etc., and are used as plant growth regulators. Applications in agricultural production are mainly the first six categories. [0003] Its main features are: [0004] ①It has a wide range of functions and many application fields. Plant growth regulators can be applied t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01N37/46A01N37/50A01P21/00
Inventor 夏传海刘苏静马宣宣王建华杨翠云郭淑政
Owner YANTAI INST OF COASTAL ZONE RES CHINESE ACAD OF SCI
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