CN113999072A - Foliar fertilizer for increasing capsaicin content in pepper fruits and preparation method and application thereof - Google Patents
Foliar fertilizer for increasing capsaicin content in pepper fruits and preparation method and application thereof Download PDFInfo
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- CN113999072A CN113999072A CN202111508230.5A CN202111508230A CN113999072A CN 113999072 A CN113999072 A CN 113999072A CN 202111508230 A CN202111508230 A CN 202111508230A CN 113999072 A CN113999072 A CN 113999072A
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- foliar fertilizer
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C21/00—Methods of fertilising, sowing or planting
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
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- Organic Chemistry (AREA)
- Environmental Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Fertilizers (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention provides a foliar fertilizer for improving capsaicin content in pepper fruits and a preparation method and application thereof, and belongs to the technical field of agricultural foliar fertilizers. The foliar fertilizer comprises the following components: urea, monopotassium phosphate, potassium sulfate, potassium chloride, fulvic acid, boric acid, cinnamic acid and water. The fulvic acid can improve the fertilizer efficiency of the foliar fertilizer, improve the yield and quality of pepper fruits, reduce the pH value of the foliar fertilizer and improve the solubility of cinnamic acid in the foliar fertilizer; boric acid can stimulate pollen germination and pollen tube extension, so that pollination can be smoothly carried out, and the pepper yield is increased; the cinnamic acid is a component of capsaicin synthetase and can obviously improve the content of capsaicin in pepper fruits. Experimental results show that the urea, the monopotassium phosphate, the potassium sulfate, the potassium chloride, the fulvic acid, the boric acid and the cinnamic acid in the foliar fertilizer have a synergistic effect, so that the content of capsaicin in pepper fruits can be obviously increased, and the yield of pepper can be increased.
Description
Technical Field
The invention belongs to the technical field of agricultural foliar fertilizers, and particularly relates to a foliar fertilizer for improving the capsaicin content in pepper fruits, and a preparation method and application thereof.
Background
Capsaicin is a main pungent component of capsicum, is one of important quality indexes for evaluating capsicum fruits, has wide application in the fields of food, medicine, agriculture and the like, and is very attractive in the international market due to extremely low yield. Therefore, research on capsaicin, particularly, research on how to increase the yield of capsaicin and pepper in pepper fruits, has been a focus and focus.
Currently, there are few systematic studies on the metabolic rule of capsaicin biosynthesis in pepper fruits, and in the research on measures for increasing the capsaicin content in pepper fruits, much focus on the cultivation of new varieties and the research on the influence of different cultivation environmental conditions on the synthesis of capsaicin in pepper fruits. However, a related technical method for improving the capsaicin content of the pepper fruits through foliar fertilizer is not reported.
Disclosure of Invention
In view of the above, the invention aims to provide a foliar fertilizer for increasing the capsaicin content in pepper fruits, and a preparation method and application thereof, so that the capsaicin content in pepper fruits can be remarkably increased, and the yield of pepper can be increased.
In order to achieve the above purpose, the invention provides the following technical scheme:
a foliar fertilizer for improving the capsaicin content in pepper fruits comprises the following raw materials in parts by weight: 30-50 parts of urea, 10-20 parts of monopotassium phosphate, 15-22 parts of potassium sulfate, 5-8 parts of potassium chloride, 7-15 parts of fulvic acid, 1-3 parts of boric acid, 3-6 parts of cinnamic acid and 100-150 parts of water.
The invention also provides a preparation method of the foliar fertilizer, which comprises the following steps: mixing fulvic acid, boric acid, cinnamic acid and water, heating to 40-50 ℃, stirring for 20-30min, and mixing with urea, monopotassium phosphate, potassium sulfate and potassium chloride to obtain the foliar fertilizer.
Preferably, the rotation speed of the stirring is 300-400 r/min.
Preferably, the pH value of the foliar fertilizer is 5-6.
The invention also provides application of the foliar fertilizer in improving the capsaicin content in pepper fruits.
Preferably, the application comprises: and spraying the foliar fertilizer to the pepper leaves.
Preferably, the dilution factor of the foliar fertilizer is 400-700.
Preferably, the spraying period of the foliar fertilizer is a flowering and fruit setting period and a fruiting period of the pepper.
Preferably, the spraying frequency of the foliar fertilizer is 2-4 times, and the spraying interval is 6-8 days.
Preferably, the spraying dosage of the foliar fertilizer is 300-600 g/mu.
Compared with the prior art, the invention has the following beneficial effects:
the invention provides a foliar fertilizer for improving the capsaicin content in pepper fruits, which comprises the following raw materials in parts by weight: 30-50 parts of urea, 10-20 parts of monopotassium phosphate, 15-22 parts of potassium sulfate, 5-8 parts of potassium chloride, 7-15 parts of fulvic acid, 1-3 parts of boric acid, 3-6 parts of cinnamic acid and 100-150 parts of water. The fulvic acid can not improve the fertilizer efficiency of the foliar fertilizer, improve the yield and quality of pepper fruits, reduce the pH value of the foliar fertilizer and improve the solubility of cinnamic acid in the foliar fertilizer; boric acid can stimulate pollen germination and pollen tube extension, so that pollination can be smoothly carried out, and the pepper yield is increased; the cinnamic acid is a component of capsaicin synthetase and can obviously improve the content of capsaicin in pepper fruits. Experimental results show that the urea, the monopotassium phosphate, the potassium sulfate, the potassium chloride, the fulvic acid, the boric acid and the cinnamic acid in the foliar fertilizer have a synergistic effect, so that the content of capsaicin in pepper fruits can be obviously increased, and the yield of pepper can be increased.
Detailed Description
The invention provides a foliar fertilizer for improving the capsaicin content in pepper fruits, which comprises the following raw materials in parts by weight: 30-50 parts of urea, 10-20 parts of monopotassium phosphate, 15-22 parts of potassium sulfate, 5-8 parts of potassium chloride, 7-15 parts of fulvic acid, 1-3 parts of boric acid, 3-6 parts of cinnamic acid and 100-150 parts of water.
The foliar fertilizer provided by the invention comprises 30-50 parts of urea, preferably 35-45 parts of urea, and more preferably 40 parts of urea. In the present invention, the urea provides a nitrogen fertilizer required during the growth of the pepper.
The foliar fertilizer provided by the invention comprises 10-20 parts by weight of monopotassium phosphate, preferably 13-18 parts by weight, and more preferably 15 parts by weight. In the invention, the monopotassium phosphate can improve the photosynthesis of the hot pepper, promote the fruit to expand, improve the ripening speed and further improve the yield of the hot pepper.
The foliar fertilizer provided by the invention comprises 5-8 parts by weight of potassium chloride, preferably 6 parts by weight. In the invention, the potassium chloride promotes flowering and fruiting, improves the activity of capsaicin synthetase cinnamic acid hydrolase in pepper fruits and improves the content of capsaicin in the pepper fruits.
The foliar fertilizer provided by the invention comprises 15-22 parts by weight of potassium sulfate, preferably 17-21 parts by weight, and more preferably 20 parts by weight. In the invention, the potassium sulfate and the potassium chloride are used together to improve the disease resistance of the pepper.
In the invention, the content of capsaicin in the pepper fruits is improved by adjusting the proportion of nitrogen, phosphorus and potassium in the foliar fertilizer.
The foliar fertilizer provided by the invention comprises 7-15 parts of fulvic acid, preferably 9-13 parts of fulvic acid, and more preferably 10 parts of fulvic acid. In the invention, the fulvic acid can not improve the fertilizer efficiency of the foliar fertilizer, improve the yield and quality of pepper fruits, reduce the pH value of the foliar fertilizer and improve the solubility of cinnamic acid in the foliar fertilizer.
The foliar fertilizer provided by the invention comprises 1-3 parts of boric acid by weight, preferably 2 parts. In the invention, the boric acid can stimulate the germination of pollen and the extension of a pollen tube, so that pollination can be smoothly carried out, and the fruit setting rate of the hot pepper is improved.
The foliar fertilizer provided by the invention comprises 3-6 parts by weight of cinnamic acid, preferably 5 parts by weight. In the invention, the cinnamic acid is a composition component of capsaicin synthetase and cinnamate hydrolase, and the content of capsaicin in pepper fruits can be obviously improved.
The invention also provides a preparation method of the foliar fertilizer, which comprises the following steps: mixing fulvic acid, boric acid, cinnamic acid and water, heating to 40-50 ℃, stirring for 20-30min, and mixing with urea, monopotassium phosphate, potassium sulfate and potassium chloride to obtain the foliar fertilizer.
In the invention, the rotation speed of the stirring is preferably 300-400r/min, and more preferably 350 r/min; the pH value of the foliar fertilizer is preferably 5-6, and more preferably 5.5.
The invention also provides application of the foliar fertilizer in improving the capsaicin content in pepper fruits.
In the present invention, the application preferably includes: spraying the foliar fertilizer to the pepper leaves; the dilution multiple of the foliar fertilizer is preferably 400-700, and more preferably 500; the spraying period of the foliar fertilizer is preferably a hot pepper flowering and fruit setting period and a fruiting period; the spraying frequency of the foliar fertilizer is preferably 2-4 times, more preferably 3 times, and the spraying interval is preferably 6-8 days, more preferably 7 days; the spraying dosage of the foliar fertilizer is preferably 300-600 g/mu, and more preferably 500 g/mu.
The source of the foliar fertilizer raw material is not particularly limited, and a commercially available product conventionally selected by a person skilled in the art is adopted.
The technical solutions provided by the present invention are described in detail below with reference to examples, but they should not be construed as limiting the scope of the present invention.
Example 1
40kg of urea, 15kg of monopotassium phosphate, 20kg of potassium sulfate, 6kg of potassium chloride, 10kg of fulvic acid, 2kg of boric acid, 5kg of cinnamic acid and 130kg of water are accurately weighed. Mixing and heating weighed fulvic acid, boric acid and cinnamic acid with water to 45 ℃, stirring for 25min at the rotation speed of 300-400r/min, and mixing with urea, monopotassium phosphate, potassium sulfate and potassium chloride to obtain the foliar fertilizer, wherein the pH value of the foliar fertilizer is 5.5.
The foliar fertilizer is diluted by 500 times by adding water, and is sprayed with the pepper leaves once every 7 days in the flowering and fruit setting periods and the fruiting periods of the peppers, wherein the application amount of the foliar fertilizer is 500 g/mu, and the foliar fertilizer is sprayed for 3 times in total.
Example 2
30kg of urea, 20kg of monopotassium phosphate, 15kg of potassium sulfate, 8kg of potassium chloride, 15kg of fulvic acid, 1kg of boric acid, 6kg of cinnamic acid and 100kg of water are accurately weighed. Mixing and heating weighed fulvic acid, boric acid and cinnamic acid with water to 40 ℃, stirring for 30min at the rotation speed of 400r/min, and mixing with urea, monopotassium phosphate, potassium sulfate and potassium chloride to obtain the foliar fertilizer, wherein the pH value of the foliar fertilizer is 5.
The foliar fertilizer is diluted by 700 times by adding water, and is sprayed with pepper leaves once every 6 days in the flowering and fruit setting periods and the fruiting periods of the peppers, wherein the application amount of the foliar fertilizer is 600 g/mu for 2 times.
Example 3
50kg of urea, 10kg of monopotassium phosphate, 22kg of potassium sulfate, 5kg of potassium chloride, 7kg of fulvic acid, 3kg of boric acid, 3kg of cinnamic acid and 150kg of water are accurately weighed. Mixing and heating weighed fulvic acid, boric acid and cinnamic acid with water to 50 ℃, stirring for 20min at the rotating speed of 300r/min, and mixing with urea, monopotassium phosphate, potassium sulfate and potassium chloride to obtain the foliar fertilizer, wherein the pH value of the foliar fertilizer is 6.
The foliar fertilizer is diluted by 400 times by adding water, and is sprayed with the pepper leaves once every 8 days in the flowering and fruit setting periods and the fruiting periods of the peppers, wherein the application amount of the foliar fertilizer is 300 g/mu for 4 times.
Comparative example 1
The specific embodiment was the same as example 1 except that urea, potassium dihydrogen phosphate, potassium sulfate and potassium chloride were not added.
Comparative example 2
The specific embodiment is the same as example 1, except that fulvic acid is not added.
Comparative example 3
The specific embodiment is the same as example 1 except that boric acid is not added.
Comparative example 4
The specific implementation is the same as example 1, except that no cinnamic acid is added.
Example 5
The influence of foliar fertilizer on the content and yield of capsaicin in the pepper fruits is not used
And (3) treatment: 8 lands with similar soil conditions are selected, Yingchaohong No. four hot peppers (seeds are purchased from Zhongjiao Yingchao peppery industry development limited company) are planted, wherein 1 land is not applied with foliar fertilizer as a control, and the rest 7 lands are respectively sprayed with the foliar fertilizers of examples 1-3 and comparative examples 1-4 and the application method.
In the pepper mature period, picking peppers, repeating each treatment for 3 times, selecting 4 peppers and 12 peppers in each repetition, removing stems and seeds in pepper fruits, drying at 50 ℃, measuring the total amount of capsaicin by using GB/T21266-2007, and counting the yield of each treated pepper. Specific results are shown in table 1.
TABLE 1 Effect of different treatments on capsaicin content and yield in Capsicum fruits
As is clear from the results in Table 1, the results of examples 1 to 3 of the present invention can increase the total amount of capsaicin in the pepper fruits by 303.4 to 360.8% and the pepper yield by 22.1 to 25.5% relative to the control. Therefore, the foliar fertilizer can obviously improve the total capsaicin content in the pepper and the yield of the pepper.
Compared with comparative examples 1-4, in the embodiment 1 of the invention, when no urea, potassium dihydrogen phosphate and potassium chloride, no fulvic acid, no boric acid and no cinnamic acid are added, the improvement degree of the total amount and the yield of capsaicin are higher. Therefore, the urea, the monopotassium phosphate, the potassium sulfate, the potassium chloride, the fulvic acid, the boric acid and the cinnamic acid in the foliar fertilizer have a synergistic effect, so that the total content of capsaicin in pepper fruits can be obviously increased, and the yield of pepper can be increased.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The foliar fertilizer for improving the capsaicin content in pepper fruits is characterized by comprising the following raw materials in parts by weight: 30-50 parts of urea, 10-20 parts of monopotassium phosphate, 15-22 parts of potassium sulfate, 5-8 parts of potassium chloride, 7-15 parts of fulvic acid, 1-3 parts of boric acid, 3-6 parts of cinnamic acid and 100-150 parts of water.
2. The preparation method of the foliar fertilizer as claimed in claim 1, which is characterized by comprising the following steps: mixing fulvic acid, boric acid, cinnamic acid and water, heating to 40-50 ℃, stirring for 20-30min, and mixing with urea, monopotassium phosphate, potassium sulfate and potassium chloride to obtain the foliar fertilizer.
3. The method as claimed in claim 2, wherein the rotation speed of the stirring is 300-400 r/min.
4. The preparation method as claimed in claim 2, wherein the pH value of the foliar fertilizer is 5 to 6.
5. Use of the foliar fertilizer of claim 1 to increase capsaicin content in pepper fruits.
6. The application according to claim 5, wherein the application comprises: and spraying the foliar fertilizer to the pepper leaves.
7. The application as claimed in claim 5, wherein the dilution factor of the foliar fertilizer is 400-700.
8. The application as claimed in claim 5, wherein the spraying period of the foliar fertilizer is a flowering and fruit setting period and a fruiting period of the pepper.
9. The application of the foliar fertilizer as claimed in claim 5, wherein the spraying frequency of the foliar fertilizer is 2 to 4 times, and the spraying interval is 6 to 8 days.
10. The application as claimed in claim 5, wherein the spraying dosage of the foliar fertilizer is 300-600 g/mu.
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| CN202111508230.5A CN113999072A (en) | 2021-12-10 | 2021-12-10 | Foliar fertilizer for increasing capsaicin content in pepper fruits and preparation method and application thereof |
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| CN202111508230.5A CN113999072A (en) | 2021-12-10 | 2021-12-10 | Foliar fertilizer for increasing capsaicin content in pepper fruits and preparation method and application thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113735659A (en) * | 2021-09-13 | 2021-12-03 | 河北省农林科学院农业资源环境研究所 | Soil conditioner for pepper planting field and preparation method and use method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102101804A (en) * | 2010-03-24 | 2011-06-22 | 云南农业大学 | Composite type hot pepper special fertilizer |
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2021
- 2021-12-10 CN CN202111508230.5A patent/CN113999072A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102101804A (en) * | 2010-03-24 | 2011-06-22 | 云南农业大学 | Composite type hot pepper special fertilizer |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113735659A (en) * | 2021-09-13 | 2021-12-03 | 河北省农林科学院农业资源环境研究所 | Soil conditioner for pepper planting field and preparation method and use method thereof |
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