CN115669489B - Regulator for promoting effective accumulation of curculigoside and regulating method - Google Patents
Regulator for promoting effective accumulation of curculigoside and regulating method Download PDFInfo
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- CN115669489B CN115669489B CN202211716441.2A CN202211716441A CN115669489B CN 115669489 B CN115669489 B CN 115669489B CN 202211716441 A CN202211716441 A CN 202211716441A CN 115669489 B CN115669489 B CN 115669489B
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- SJJRKHVKAXVFJQ-QKYBYQKWSA-N curculigoside a Chemical compound COC1=CC=CC(OC)=C1C(=O)OCC1=CC(O)=CC=C1O[C@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 SJJRKHVKAXVFJQ-QKYBYQKWSA-N 0.000 title claims abstract description 36
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Images
Abstract
The invention relates to the technical field of traditional Chinese medicinal material planting, and particularly discloses a regulator for promoting effective accumulation of curculigoside and a regulating method, wherein the regulating method comprises the following steps: (1) Irrigating the roots of the transplanted curculigo orchioides seedlings by using a regulator A at the 6 th month of the next year in the initial growth stage of the curculigo orchioides, and irrigating the roots by using a regulator B after 7-10 days; (2) Irrigating roots of the Curculigo orchioides in the initial full growth period of 8 months with the regulator C, and irrigating roots of the Curculigo orchioides with the regulator D after 7-10 days; (3) Irrigating the roots of the curculigo orchioides in the last growth stage of 10 months by using the regulator E, and irrigating the roots once again by using the regulator E after 7-10 days; (4) repeating the steps (1) to (3) every year until the coal is mined; according to the invention, the two plant growth regulators of abscisic acid and salicylic acid with appropriate concentrations, copper ions and zinc ions are adopted to stimulate the curculigo orchioides to generate secondary metabolites, and the alanine is matched to greatly promote the effective accumulation of the curculigo orchioides, so that the effective accumulation of the curculigo orchioides can be improved to more than 1.6 times every year.
Description
Technical Field
The invention relates to the technical field of planting of traditional Chinese medicinal materials, in particular to a regulator for promoting effective accumulation of curculigoside and a regulating method, which induce secondary metabolism accumulation in the planting process of the traditional Chinese medicinal materials.
Background
Curculigoorchis orchioides (Curculigoorchioides des Gaertn.) is a perennial herb of Curculigoorchis of Amaryllidaceae, has the effects of invigorating kidney yang, strengthening tendons and bones and dispelling cold-dampness by using underground rhizomes as a medicine, is mainly used for treating impotence and cold sperm, flaccidity of bones and muscles, cold pain of waist and knees, yang deficiency and cold diarrhea and other symptoms, is a health product represented by jin wine and spermatogenic capsules and a monarch medicine of a Chinese patent medicine, and is also a monarch medicine of famous classics 'Erxian decoction'.
The content of curculigoside is the most important standard of quality standard of curculigoside, wherein the standard is 0.1% in '2020 edition of Chinese pharmacopoeia', and the enterprise standard of many pharmaceutical enterprises reaches more than 0.15%. Meanwhile, the price of the curculigoside is greatly increased along with the increase of the content of the curculigoside. The curculigo orchioides in the current market is mainly divided into imported curculigo orchioides in south-east Asia countries, curculigo orchioides produced in Yunnan countries and curculigo orchioides produced in Sichuan countries, the market judges that the curculigoside content of the curculigo orchioides produced in Sichuan is generally the highest according to historical experience, the curculigoside produced in Sichuan is the second highest in Yunnan countries and the imported curculigo orchioides produced in Yunnan countries hardly meet pharmacopeia standards, so that the current market price is the highest in Yibin in Sichuan and the lowest in each production area in Yunnan countries, and the market price in Sichuan is 5-6 times of the imported product price from the current market, so that the curculigoside content in the production areas in Yunnan is increased, the pharmacopeia standards are met, and the significance in meeting market demands is achieved.
The generation of secondary metabolites of natural plants is influenced by environmental factors, such as drought, water accumulation, saline-alkali, heavy metals, illumination intensity, illumination duration and the like, while different plants, different organs of the same plant and different secondary metabolites may produce different results under different environmental factors. In the process of planting medicinal plants, elicitors are often adopted to induce the generation of plant secondary metabolites, and different elicitors, induction concentrations, action times, action parts and the like have specificity on different plants, different organs and different target substances, and are supposed to be related to the expression regulation and control of related enzyme genes. Currently, elicitors are mainly classified into microbial elicitors such as fungal spores, mycelia, homogenate, fungal culture solution and the like, abiotic elicitors such as physical elicitors such as temperature, drought, rays and the like, chemical elicitors such as heavy metal ions of copper, cadmium, zinc, iron, silver and the like, amino acids and the like, plant growth regulators such as ABA, meJA, SA, GA3, BR, CCC and the like. Different elicitors may also have interaction, may produce synergistic or antagonistic effects, or may not interact with each other.
In the plant planting process, because environmental factors have uncertainty and uncontrollable conditions, the biological inductor is often not used as a method for promoting the accumulation of secondary metabolites. In the heavy metal aspect, copper, iron, zinc and the like are often used as inducers, and other heavy metals such as cadmium, lead, nickel, cobalt and the like are often used as important detection indexes for whether the heavy metals exceed the standard or not in medicinal materials and foods, so the application is relatively less.
At present, the research on the correlation between the curculigo orchioides and curculigo orchioides is mainly focused on the research on curculigo orchioides in various production places, the loss of the curculigo orchioides is reduced by utilizing an optimal processing method, and the like, and no relevant documents are reported on the aspect of promoting the accumulation of the curculigo orchioides content in the planting process by an artificial mode.
Disclosure of Invention
The invention mainly aims to provide a regulator for promoting the effective accumulation of curculigoside and a regulating method thereof, so as to solve the problem of low content of curculigoside in a curculigoside medicinal material.
In order to achieve the above purpose, the invention provides the following technical scheme:
a regulation method for promoting effective accumulation of curculigoside comprises the following steps:
(1) Irrigating the roots of the transplanted curculigo orchioides seedlings by using a regulator A at the 6 th month of the next year in the initial growth stage of the curculigo orchioides, and irrigating the roots by using a regulator B after 7-10 days;
(2) Irrigating roots of the curculigo orchioides in the initial full growth period of 8 months by using a regulator C, and irrigating roots of the curculigo orchioides by using a regulator D after 7-10 days;
(3) Irrigating the roots of the curculigo orchioides in the later growth period of 10 months, and irrigating the roots of the curculigo orchioides once again by using the regulator E after 7-10 days;
(4) Repeating the steps (1) to (3) every year until the coal is mined;
the components of the regulators A, B, C, D and E comprise plant growth hormone and amino acid; the plant growth hormone comprises 5-20 mg/L of abscisic acid, 80-250 mg/L of naphthylacetic acid, 40-120 mg/L of salicylic acid or 0.1-0.3 mg/L of brassinolide, and the amino acid is alanine with the dosage of 2.0-3.0 g/L.
Further, the regulator A in the step (1) consists of 5-10 mg/L of abscisic acid, 2.0-3.0 g/L of alanine and 3-5 mg/L of copper sulfate.
Further, the regulator B in the step (1) consists of 80-120 mg/L of naphthylacetic acid, 40-60 mg/L of salicylic acid and 0.1-0.2 mg/L of brassinolide.
Further, the regulator C in the step (2) consists of 15-20 mg/L of abscisic acid, 2.0-3.0 g/L of alanine, 3-5 mg/L of copper sulfate and 10-15 mg/L of zinc sulfate.
Further, the regulator D in the step (2) consists of 200-250 mg/L of naphthylacetic acid, 80-100 mg/L of salicylic acid and 0.2-0.3 mg/L of brassinolide.
Further, the regulator E in the step (3) consists of 200-250 mg/L of naphthylacetic acid, 100-120 mg/L of salicylic acid, 2.0-3.0 g/L of alanine, 1-2 mg/L of copper sulfate and 25-30 mg/L of zinc sulfate.
Preferably, the dosage of the regulators A, B, C, D and E in the steps (1) to (3) is 200-250 kg per mu.
The invention has the beneficial effects that:
1. the curculigoside belongs to a secondary metabolite, the secondary metabolite is generated by adopting two plant growth regulators of abscisic acid and salicylic acid with proper concentration and copper ions and zinc ions to stimulate the curculigoside, and the effective accumulation of the curculigoside can be greatly promoted by matching alanine, so that the effective accumulation of the curculigoside can be improved to more than 1.6 times every year.
2. The invention can also promote the accumulation of two active ingredients of total polyphenol and total flavone.
3. The invention can not promote accumulation of toxic substance lycorine in the curculigo orchioides while promoting accumulation of curculigo orchioides glycoside, total polyphenol and total flavone.
4. Generally, when secondary metabolites are accumulated, the biomass reduction of nutritive organs of the curculigo orchioides is influenced, particularly, abscisic acid and salicylic acid are used under manual intervention, however, in the implementation process of the method, ABA is used for regulating and controlling the expression of related genes accumulated by curculigo orchioides, and NAA and BR are used for treating the curculigo orchioides for 7-10 days later, so that the influence of ABA on the growth of the curculigo orchioides is eliminated in time, and the yield which is influenced by the ABA is not influenced.
5. In the invention, naphthylacetic acid and brassinolide with proper concentrations are added at the terminal stage of growth of the curculigo orchioides, so that the curculigo orchioides which should be poured out in the last ten days of October to the last ten days of November is delayed to be poured out in the middle ten days of November to the middle ten days of December, the growth time of the curculigo orchioides is prolonged, on one hand, the growth time of a vegetative organ is prolonged, the accumulation of the biomass of each plant of the curculigo orchioides medicinal material is further improved, the yield of the medicinal material is finally improved, on the other hand, the accumulation time of the content of the curculigoside is further increased, and the content of the curculigoside can also be improved to a certain degree.
6. Drought stress, saline-alkali stress and temperature difference stimulation can promote the effective accumulation of the curculigoside, but the three stress modes have high artificial intervention cost, large difficulty in executing quantitative indexes and the like, simultaneously, the drought stress and the saline-alkali stress can also influence the yield of medicinal materials, and the saline-alkali stress can also destroy the ecological environment to a certain extent.
The plant secondary metabolite does not directly participate in the growth and development process of the plant, but plays an important role in improving the adaptability of the plant to the physical environment and the interspecific competitive power, resisting the attack of natural enemies, enhancing the disease resistance and the like, and most of the active ingredients of medicinal plants are derived from the secondary metabolite, namely the curculigoside in the invention, namely the secondary metabolite belonging to the curculigo orchioides.
Drawings
FIG. 1 is a field diagram of a planting test of the present invention;
FIG. 2 is a field diagram of biomass measurement of Curculigo orchioides medicinal material in example 1;
FIG. 3 is a field diagram of biomass measurement of Curculigo orchioides medicinal material in comparative example 1.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments. It should be understood by those skilled in the art that the application examples are only for the understanding of the present invention and should not be construed as the specific limitation of the present invention. Those not specifically mentioned herein are carried out according to conventional conditions or conditions recommended by the manufacturer. The reagents or instruments used are not indicated by the manufacturer, and are all conventional products available commercially.
Example 1
1. Transplanting the domesticated curculigo orchioides tissue culture seedlings under a photovoltaic panel of a curculigo orchioides planting area in Lincangyun county, and irrigating roots with a regulator A consisting of 5mg/L abscisic acid, 2.0g/L alanine and 3mg/L copper sulfate in ten o' clock before the next year and 6 months after transplantation, wherein the root irrigation amount per mu is 200kg.
2. After 7 days, before ten am, irrigating roots with regulator B composed of 80mg/L naphthylacetic acid, 40mg/L salicylic acid and 0.1mg/L brassinolide, wherein the irrigation amount per mu is 200kg.
3. At the beginning of 8 months, before ten am, the root is irrigated with a regulator C consisting of 15mg/L abscisic acid, 2.0g/L alanine, 3mg/L copper sulfate and 10mg/L zinc sulfate, and the root irrigation amount per mu is 200kg.
4. After 7 days, before ten am, the root is irrigated with a regulator D consisting of 200mg/L of naphthylacetic acid, 80mg/L of salicylic acid and 0.2mg/L of brassinolide, wherein the root irrigation amount is 200kg.
5. In 10 middle of the month, before ten am, the roots are irrigated with a regulator E consisting of 200mg/L of naphthylacetic acid, 100mg/L of salicylic acid, 2.0g/L of alanine, 1mg/L of copper sulfate and 25mg/L of zinc sulfate, and the root irrigation amount per mu is 200kg.
6. After 7 days, before ten am, the root is irrigated once again by using a regulator E consisting of 200mg/L naphthylacetic acid, 100mg/L salicylic acid, 2.0g/L alanine, 1mg/L copper sulfate and 25mg/L zinc sulfate, and the root irrigation amount per mu is 200kg.
7. Repeating the steps 1-6 every year after transplanting.
8. After 12 months in the third year after transplanting, collecting and digging a medicinal material of the curculigo orchioides (containing fibrous roots), detecting the content of the curculigo orchioides glycoside according to a content detection item under 2020 edition of Chinese pharmacopoeia, detecting total flavone and total polyphenol according to a college of Jiangxi traditional Chinese medicine (Guxian tablet quality standard research [ J ] in Jiangxi, 2006, 18 (2): 39-40) published by Yanjun and the like, and detecting the content of lycorine according to a high performance liquid chromatography fingerprint identification column under the item of lycoris serving as a medicinal material in the eighth phase of hong Kong traditional Chinese medicinal material standard.
Example 2
1. The domesticated common curculigo rhizome tissue culture seedlings are transplanted under a photovoltaic panel in a common curculigo rhizome planting area in Lincang Yun county, and the roots are irrigated with a regulator A consisting of 10mg/L abscisic acid, 3.0g/L alanine and 5mg/L copper sulfate in the middle of 6 months of the next year after the transplantation, and the root irrigation amount per mu is 250kg.
2. After 10 days, after five hours in the afternoon, the root is irrigated with a regulator B consisting of 120mg/L naphthylacetic acid, 60mg/L salicylic acid and 0.2mg/L brassinolide, and the irrigation quantity per mu is 250kg.
3. In 8 middle of the month, after five pm, the root is irrigated with a regulator C consisting of 20mg/L abscisic acid, 3.0g/L alanine, 5mg/L copper sulfate and 15mg/L zinc sulfate, and the root irrigation amount per mu is 250kg.
4. After 10 days, after five hours in the afternoon, the root is irrigated with a regulator D consisting of 250mg/L of naphthylacetic acid, 100mg/L of salicylic acid and 0.3mg/L of brassinolide, and the root irrigation amount per mu is 250kg.
5. In 10 Yueyuexing hours, after the afternoon, the root is irrigated with a regulator E consisting of 250mg/L of naphthylacetic acid, 120mg/L of salicylic acid, 3.0g/L of alanine, 2mg/L of copper sulfate and 30mg/L of zinc sulfate, and the root irrigation amount per mu is 250kg.
6. After 10 days, after five hours in the afternoon, the root is irrigated once again by using a regulator E consisting of 50mg/L naphthylacetic acid, 120mg/L salicylic acid, 3.0g/L alanine, 2mg/L copper sulfate and 30mg/L zinc sulfate, and the dosage of irrigating the root per mu is 250kg.
7. Repeating the steps 1-6 every year after transplanting.
8. After 12 months of seedling in the third year after transplanting, the medicinal material of the curculigo orchioides (containing fibrous roots) is picked and dug, the content of the curculigo orchioides is detected according to content detection items under the 2020 edition of Chinese pharmacopoeia, the total flavone and the total polyphenol are detected according to the statement of Jiangxi college of traditional Chinese medicine (quality standard research of the GUXIAN tablets [ J ] 2006, 18 (2): 39-40) published by the Yangjun et al, and the lycorine content is detected according to a high performance liquid chromatography fingerprint identification column under the lycoris item of the medicinal material in the eighth phase of hong Kong Chinese medicinal material standard.
Comparative example 1
1. And transplanting the domesticated curculigo orchioides tissue culture seedlings under a photovoltaic panel in Lincang county, and managing according to the conventional method.
2. After seedling falling in the third year after transplanting, collecting and digging a medicinal material of the curculigo orchioides (containing fibrous roots) in 12 months, detecting the content of the curculigoside according to content detection items under the 2020 edition of Chinese pharmacopoeia, detecting the total flavone and the total polyphenol according to the statement of Jiangxi Chinese medicine institute in the Guxian et al (quality standard research of the GUXIAN tablets [ J ] 2006, 18 (2): 39-40), and detecting the content of the lycorine according to a high performance liquid chromatography fingerprint identification spectrum column under the lycoris item of the medicinal material in the eighth phase of hong Kong Chinese medicinal material standard.
Experimental study
Test site: a planting area of the curculigo orchioides in Lincangyun county;
the method for detecting the curculigoside comprises the following steps: the content of curculigoside is detected by content detection item under 2020 edition of Chinese pharmacopoeia.
1. The invention carries out the influence of a physical inducer on curculigoside at the beginning of research
After domesticated seedlings of the tissue culture seedlings of the curculigo orchioides are transplanted, drought stress, salt and alkali stress, temperature difference stimulation, strong light stimulation and long-time sunlight stimulation are carried out in a growth vigorous period of 8 months, the curculigo orchioides are dug after 60 days of stress to measure the curculigoside content, each treatment quantity is 100 curculigo orchioides, the curculigo orchioides are planted by using flowerpots, and three times of each treatment are set.
(1) Comparison: stress treatment is not carried out, and conventional management is carried out under the photovoltaic panel.
(2) Drought stress: under the photovoltaic panel, the soil humidity is controlled to be about 45%.
(3) Saline-alkali stress: under a photovoltaic panel, a sodium chloride/sodium carbonate regulator (6 g/L:12 g/L) is poured once every 5 days, and the mu pouring amount is 200kg.
(4) Temperature difference stimulation: normally managing under a photovoltaic panel in the daytime, and moving the seedlings to a 10 ℃ constant-temperature incubator for dark culture at night.
(5) Strong light stimulation: the flowerpot is placed in an open place between the photovoltaic panels, and the sun is completely and directly irradiated.
(6) Long-day stimulation: and (4) placing the photovoltaic panel under the daytime for normal management, starting artificial light supplement at seven points at night, and supplementing light for four hours every day.
(7) Short-day stimulation: and moving the seedlings to a full dark condition at five pm, and moving the seedlings to a photovoltaic panel for normal management at nine pm.
Through curculigoside content determination and data statistical analysis, drought stress, saline-alkali stress and temperature difference stimulation can remarkably promote accumulation of curculigoside, wherein the dry stress and the saline-alkali stress are improved by about 1.5 times compared with a contrast, the accumulation of curculigoside cannot be promoted by prolonging or shortening the sunlight duration, and strong light stimulation cannot promote the accumulation of curculigoside but has strong inhibiting effect.
Meanwhile, drought stress, salt and alkali stress and strong light stimulation are found in the planting process, so that plants are thin and weak, rust disease is easy to occur, and the yield of medicinal materials is obviously reduced after the plants are dug.
2. Plant growth regulators were performed for single factor experiments.
After domesticated seedlings of the tissue culture seedlings of the curculigo orchioides are transplanted, NAA (naphthylacetic acid), 2,4-D, GA3 (gibberellin), PPP333 (paclobutrazol), CCC (chlormequat chloride), BR (brassinolide), KT, SA (salicylic acid), meJA (methyl jasmonate), ABA (abscisic acid) and 6-BA root irrigation tests with different concentrations are carried out in a growth vigorous period of 8 months, and the root irrigation is carried out once every 5 days, wherein the root irrigation amount per mu is 200kg.
Planting the plants under the photovoltaic panel by flowerpots every 100 plants, setting three times for each treatment, and using water spraying as a contrast.
After 60 days of treatment, digging underground rhizomes of the curculigo orchioides, and carrying out curculigo orchioides content measurement and data analysis, wherein the results show that NAA, BR, SA, ABA and MeJA have a certain promotion effect on accumulation of the curculigo orchioides, the ABA promotion effect with the concentration of 10-20 mg/L is optimal, the maximum increase is 1.2 times of that of a control, and SA, NAA, BR and MeJA with proper concentrations also have promotion effects but smaller increases, wherein the MeJA concentration is extremely difficult to control, the curculigo orchioides are extremely easy to die at a higher concentration, and no obvious effect is produced at a lower concentration.
However, whether ABA or SA is used, the leaf aging, the color graying, the green and the lusterless (similar to water shortage) are promoted to a great extent, and finally the substance accumulation of underground rhizomes is far lower than that of a control.
3. Performing a multi-factor, multi-level orthogonal test of plant growth regulators:
after domesticated seedlings of the tissue culture seedlings of the curculigo orchioides are transplanted, in a growth vigorous period of 8 months, NAA, BR, ABA and SA are used for carrying out combined tests with different concentrations, and the test design is shown in a table 2:
irrigating once every 5 days, wherein the root irrigation amount is 200 kg/mu every time, three times of treatment are set for each treatment, after 60 days of treatment, underground roots and stems of the curculigo orchioides are dug out, and the content determination and data analysis of the curculigo orchioides are carried out, and the results are shown in table 3:
as can be seen from Table 3, the effects of No. 2 and No. 3 are the best, but the effects of No. 2 and No. 3 affect the growth of Curculigo orchioides to different degrees, but the effects are obviously weaker than those of ABA and SA when single-factor experiments are carried out. It is demonstrated that both NAA and BR have antagonistic action on ABA in the growth potential of Curculigo orchioides.
As can be seen from Table 3, there is almost no difference between No. 5, no. 7, no. 9 and No. 1, and the four plant growth regulators in the single-factor test can promote the accumulation of Curculigoside to some extent, which indicates that NAA, BR and ABA have obvious antagonistic action on the accumulation of Curculigoside, with NAA being the most obvious.
4. Influence of heavy metal and amino acid on accumulation of curculigoside
After domesticated seedlings of the tissue culture seedlings of the curculigo orchioides are transplanted, root irrigation tests of four heavy metals of copper sulfate, ferrous sulfate, zinc sulfate and manganese sulfate and three amino acid regulators of tyrosine, alanine and phenylalanine with different concentrations are carried out in a vigorous growth period of 8 months, the roots are irrigated once every 5 days, and the root irrigation amount per mu is 200kg.
Planting the plants under the photovoltaic panel by using flowerpots every 100 plants, setting three times of treatment at the same time, and irrigating roots with the same amount of water as a contrast.
After the treatment for 60 days, digging out underground rhizomes of the curculigo orchioides, and carrying out curculigo orchioides content determination and data analysis, wherein the results show that the copper sulfate, the zinc sulfate and the alanine with proper concentrations can promote the accumulation of the curculigo orchioides, the tyrosine and the phenylalanine can not promote the accumulation of the curculigo orchioides, and the high-concentration ferrous sulfate and the manganese sulfate can not promote the accumulation of the curculigo orchioides but have obvious inhibition effect.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the foregoing description only for the purpose of illustrating the principles of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims, specification, and equivalents thereof.
Claims (2)
1. A regulation method for promoting effective accumulation of curculigoside is characterized by comprising the following steps:
(1) Transplanting the rhizoma curculiginis seedlings, irrigating roots of the rhizoma curculiginis in the initial growth stage 6 months in the next year by using a regulator A, and irrigating roots of the rhizoma curculiginis by using a regulator B after 7-10 days;
(2) Irrigating roots of the curculigo orchioides in the initial full growth period of 8 months by using a regulator C, and irrigating roots of the curculigo orchioides by using a regulator D after 7-10 days;
(3) Irrigating the roots of the curculigo orchioides in the last growth stage of 10 months by using the regulator E, and irrigating the roots once again by using the regulator E after 7-10 days;
(4) Repeating the steps (1) to (3) every year until the coal is mined;
the regulator A consists of 5-10 mg/L abscisic acid, 2.0-3.0 g/L alanine and 3-5 mg/L copper sulfate;
the regulator B consists of 80-120 mg/L of naphthylacetic acid, 40-60 mg/L of salicylic acid and 0.1-0.2 mg/L of brassinolide;
the regulator C consists of 15-20 mg/L of abscisic acid, 2.0-3.0 g/L of alanine, 3-5 mg/L of copper sulfate and 10-15 mg/L of zinc sulfate;
the regulator D consists of 200-250 mg/L of naphthylacetic acid, 80-100 mg/L of salicylic acid and 0.2-0.3 mg/L of brassinolide;
the regulator E consists of 200-250 mg/L naphthylacetic acid, 100-120 mg/L salicylic acid, 2.0-3.0 g/L alanine, 1-2 mg/L copper sulfate and 25-30 mg/L zinc sulfate.
2. The method according to claim 1, wherein the amount of the regulators A, B, C, D, E in steps (1) to (3) is 200 to 250kg per acre.
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Application publication date: 20230203 Assignee: Nujiang Angda Biotechnology Development Co.,Ltd. Assignor: INSTITUTE OF MEDICINAL PLANTS, YUNNAN ACADEMY OF AGRICULTURAL SCIENCES Contract record no.: X2023980054565 Denomination of invention: A regulator and regulatory method for promoting effective accumulation of Xianmao glycoside Granted publication date: 20230407 License type: Common License Record date: 20231228 |