CN116210730A - Pesticide composition for preventing sunscald of citrus - Google Patents
Pesticide composition for preventing sunscald of citrus Download PDFInfo
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- CN116210730A CN116210730A CN202111456075.7A CN202111456075A CN116210730A CN 116210730 A CN116210730 A CN 116210730A CN 202111456075 A CN202111456075 A CN 202111456075A CN 116210730 A CN116210730 A CN 116210730A
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- Prior art keywords
- citrus
- aloe vera
- pesticide composition
- sunburn
- vera extract
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- 235000020971 citrus fruits Nutrition 0.000 title claims abstract description 48
- 241000207199 Citrus Species 0.000 title claims abstract description 47
- 239000000203 mixture Substances 0.000 title claims abstract description 37
- 239000000575 pesticide Substances 0.000 title claims abstract description 34
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 claims abstract description 60
- 235000014104 aloe vera supplement Nutrition 0.000 claims abstract description 45
- 206010042496 Sunburn Diseases 0.000 claims abstract description 33
- 229960005070 ascorbic acid Drugs 0.000 claims abstract description 30
- 235000010323 ascorbic acid Nutrition 0.000 claims abstract description 30
- 239000011668 ascorbic acid Substances 0.000 claims abstract description 30
- XNEFYCZVKIDDMS-UHFFFAOYSA-N avobenzone Chemical compound C1=CC(OC)=CC=C1C(=O)CC(=O)C1=CC=C(C(C)(C)C)C=C1 XNEFYCZVKIDDMS-UHFFFAOYSA-N 0.000 claims abstract description 28
- 229960005193 avobenzone Drugs 0.000 claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 24
- 150000002191 fatty alcohols Chemical class 0.000 claims abstract description 13
- 229940051841 polyoxyethylene ether Drugs 0.000 claims abstract description 13
- 229920000056 polyoxyethylene ether Polymers 0.000 claims abstract description 13
- 239000004094 surface-active agent Substances 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims abstract description 6
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims abstract description 3
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims abstract description 3
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims abstract description 3
- 238000002360 preparation method Methods 0.000 claims description 13
- KWIUHFFTVRNATP-UHFFFAOYSA-N Betaine Natural products C[N+](C)(C)CC([O-])=O KWIUHFFTVRNATP-UHFFFAOYSA-N 0.000 claims description 9
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 9
- KWIUHFFTVRNATP-UHFFFAOYSA-O N,N,N-trimethylglycinium Chemical compound C[N+](C)(C)CC(O)=O KWIUHFFTVRNATP-UHFFFAOYSA-O 0.000 claims description 9
- 229960003237 betaine Drugs 0.000 claims description 9
- 235000002961 Aloe barbadensis Nutrition 0.000 claims description 7
- 244000186892 Aloe vera Species 0.000 claims description 7
- 235000011399 aloe vera Nutrition 0.000 claims description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 6
- 238000000605 extraction Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 3
- 239000000706 filtrate Substances 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 238000007710 freezing Methods 0.000 claims description 3
- 230000008014 freezing Effects 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 230000002265 prevention Effects 0.000 claims description 3
- 238000010298 pulverizing process Methods 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 238000004017 vitrification Methods 0.000 claims description 3
- 235000013399 edible fruits Nutrition 0.000 abstract description 28
- 230000005089 fruit drop Effects 0.000 abstract description 3
- 229940094506 lauryl betaine Drugs 0.000 abstract description 2
- DVEKCXOJTLDBFE-UHFFFAOYSA-N n-dodecyl-n,n-dimethylglycinate Chemical compound CCCCCCCCCCCC[N+](C)(C)CC([O-])=O DVEKCXOJTLDBFE-UHFFFAOYSA-N 0.000 abstract description 2
- 238000011282 treatment Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 4
- 239000003814 drug Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- PYKYMHQGRFAEBM-UHFFFAOYSA-N anthraquinone Natural products CCC(=O)c1c(O)c2C(=O)C3C(C=CC=C3O)C(=O)c2cc1CC(=O)OC PYKYMHQGRFAEBM-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000005286 illumination Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- YDQWDHRMZQUTBA-UHFFFAOYSA-N Aloe emodin Chemical compound C1=CC=C2C(=O)C3=CC(CO)=CC(O)=C3C(=O)C2=C1O YDQWDHRMZQUTBA-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 150000004056 anthraquinones Chemical class 0.000 description 2
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 238000007865 diluting Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- OVBPIULPVIDEAO-LBPRGKRZSA-N folic acid Chemical compound C=1N=C2NC(N)=NC(=O)C2=NC=1CNC1=CC=C(C(=O)N[C@@H](CCC(O)=O)C(O)=O)C=C1 OVBPIULPVIDEAO-LBPRGKRZSA-N 0.000 description 2
- 230000005923 long-lasting effect Effects 0.000 description 2
- 235000015097 nutrients Nutrition 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 102000008186 Collagen Human genes 0.000 description 1
- 108010035532 Collagen Proteins 0.000 description 1
- COLNVLDHVKWLRT-QMMMGPOBSA-N L-phenylalanine Chemical compound OC(=O)[C@@H](N)CC1=CC=CC=C1 COLNVLDHVKWLRT-QMMMGPOBSA-N 0.000 description 1
- OUYCCCASQSFEME-QMMMGPOBSA-N L-tyrosine Chemical compound OC(=O)[C@@H](N)CC1=CC=C(O)C=C1 OUYCCCASQSFEME-QMMMGPOBSA-N 0.000 description 1
- 244000179970 Monarda didyma Species 0.000 description 1
- 235000010672 Monarda didyma Nutrition 0.000 description 1
- OVBPIULPVIDEAO-UHFFFAOYSA-N N-Pteroyl-L-glutaminsaeure Natural products C=1N=C2NC(N)=NC(=O)C2=NC=1CNC1=CC=C(C(=O)NC(CCC(O)=O)C(O)=O)C=C1 OVBPIULPVIDEAO-UHFFFAOYSA-N 0.000 description 1
- 229940006091 aloe polysaccharide Drugs 0.000 description 1
- -1 anthraquinone compounds Chemical class 0.000 description 1
- 230000003064 anti-oxidating effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 229920001436 collagen Polymers 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 210000004709 eyebrow Anatomy 0.000 description 1
- 239000012065 filter cake Substances 0.000 description 1
- 229960000304 folic acid Drugs 0.000 description 1
- 235000019152 folic acid Nutrition 0.000 description 1
- 239000011724 folic acid Substances 0.000 description 1
- 230000012010 growth Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 239000003895 organic fertilizer Substances 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- COLNVLDHVKWLRT-UHFFFAOYSA-N phenylalanine Natural products OC(=O)C(N)CC1=CC=CC=C1 COLNVLDHVKWLRT-UHFFFAOYSA-N 0.000 description 1
- 239000005648 plant growth regulator Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000037072 sun protection Effects 0.000 description 1
- 230000000475 sunscreen effect Effects 0.000 description 1
- 239000000516 sunscreening agent Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 230000017423 tissue regeneration Effects 0.000 description 1
- 230000005068 transpiration Effects 0.000 description 1
- OUYCCCASQSFEME-UHFFFAOYSA-N tyrosine Natural products OC(=O)C(N)CC1=CC=C(O)C=C1 OUYCCCASQSFEME-UHFFFAOYSA-N 0.000 description 1
- 229940088594 vitamin Drugs 0.000 description 1
- 229930003231 vitamin Natural products 0.000 description 1
- 235000013343 vitamin Nutrition 0.000 description 1
- 239000011782 vitamin Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N65/00—Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
- A01N65/40—Liliopsida [monocotyledons]
- A01N65/42—Aloeaceae [Aloe family] or Liliaceae [Lily family], e.g. aloe, veratrum, onion, garlic or chives
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N35/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having two bonds to hetero atoms with at the most one bond to halogen, e.g. aldehyde radical
- A01N35/04—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having two bonds to hetero atoms with at the most one bond to halogen, e.g. aldehyde radical containing aldehyde or keto groups, or thio analogues thereof, directly attached to an aromatic ring system, e.g. acetophenone; Derivatives thereof, e.g. acetals
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/02—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms
- A01N43/04—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom
- A01N43/06—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom five-membered rings
- A01N43/08—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom five-membered rings with oxygen as the ring hetero atom
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Zoology (AREA)
- Agronomy & Crop Science (AREA)
- Plant Pathology (AREA)
- Dentistry (AREA)
- Wood Science & Technology (AREA)
- Environmental Sciences (AREA)
- Natural Medicines & Medicinal Plants (AREA)
- Biotechnology (AREA)
- Microbiology (AREA)
- Mycology (AREA)
- Pest Control & Pesticides (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Cosmetics (AREA)
Abstract
The invention relates to a citrus sunburn-preventing pesticide composition, which solves the problems of high solar fruit rate and high fruit drop rate and unclean fruit surface of the existing pesticide composition, and comprises the following components in percentage by weight: 20-70% of aloe vera extract, 1-10% of avobenzone, 5-10% of ascorbic acid, 0.1-1% of film forming agent, 0.5-5% of surfactant, the balance of water, polyvinylpyrrolidone, at least one of laurylbetaine and fatty alcohol polyoxyethylene ether, and a citrus sunburn-preventing pesticide composition as a liquid. The fruit dropping rate caused by the sun fruits is reduced, and meanwhile, the fruit surfaces are clean.
Description
Technical Field
The invention relates to a citrus sunburn-preventing pesticide composition, and belongs to the field of plant growth regulators.
Background
The temperature of the southern area is higher than 6-10 months each year, high-temperature weather with the temperature of more than 35 ℃ is frequently adopted, the citrus is in a rapid expansion period at the moment, sunburn of the citrus is easily caused by high-temperature strong illumination weather, partial dehydration is serious, fruit drop and quality reduction are caused, for varieties with higher economic values such as loving, vortica, bergamot and the like, the loss of yield reduction caused by sunburn is very large each year, two conventional treatment methods are adopted, one method is to spray a layer of white calcic sun-shading product on the surface of the citrus in a physical mode, the influence of sunburn fruit is reduced through a physical reflection principle, the harvested fruit is required to be cleaned, but the harvested fruit is difficult to clean, and some calcified substances permeate into pulp through peel pores of the citrus, so that the quality reduction is difficult to sell; the other is that the white sun-proof paper is covered to play a role in sun protection, but the white sun-proof paper is covered to only partially cover the sun-proof paper, so that the part without the cover is difficult to play a role in protection, and the labor cost is high.
Disclosure of Invention
The invention aims to provide a pesticide composition which forms a water locking film on the surface of citrus through a chemical regulation means, reduces local high Wen Rizhuo caused by extremely rapid transpiration and volatilization of water in fruits, can induce and enhance the high temperature resistance of citrus, obviously improves sunburn conditions under high-temperature strong illumination, reduces fruit dropping rate, is convenient to apply, is safe and environment-friendly and has low price.
The object of the invention is achieved in that:
the citrus sun-burn prevention pesticide composition comprises the following components in percentage by weight:
20-70% of aloe vera extract,
avobenzone: 1-10%,
ascorbic acid: 5-10%,
0.1-1% of film forming agent,
0.5-5% of a surfactant,
the balance of water is complemented up,
the film forming agent is polyvinylpyrrolidone,
the surfactant is at least one of laurinol betaine and fatty alcohol polyoxyethylene ether,
the citrus sunburn-preventing pesticide composition is a liquid.
The preparation method of the aloe vera extract comprises the following steps: freezing Aloe vera to vitrification state with liquid nitrogen, pulverizing with pulverizer, and mixing with ethanol: glycerol: vacuum extracting aloe vera in the ratio of 5:5:1 in an extraction tank under the pressure of-0.02 to-0.04 Mpa, controlling the temperature at 40-50 ℃, stirring for 2-4 h, cooling to normal temperature after extraction, filtering and collecting filtrate to obtain aloe vera extract, wherein the filter cake is used as a matrix of a biological organic fertilizer.
The composition comprises the following components in percentage by weight:
25-60% of aloe vera extract,
avobenzone: 2-8%,
ascorbic acid: 6-8%,
0.2-0.8% of film forming agent,
1-5% of a surfactant,
the balance of water is complemented.
The preparation method of the invention comprises the following steps: the aloe vera extract is used for completely dissolving avobenzone, ascorbic acid and a film forming agent, and then water and a surfactant are added and stirred uniformly to prepare the citrus sunburn-preventing pesticide composition.
The aloe vera extract is rich in aloe polysaccharide, aloe-emodin, anthraquinone compounds, proteins, vitamins and other components, and can provide abundant nutrients for oranges through spraying, so that the absorption of the oranges to the nutrients is enhanced, the anthraquinone substances in the aloe vera extract can keep the oranges wet for a long time, and sunburn can be repaired, so that a water-locking waxy layer is formed on the surfaces of the oranges, and the rapid water loss of the oranges under high-temperature strong light is reduced to form solar fruits.
Avobenzone is a stable sunscreen against full band UV radiation, prevents degradation of other components of the composition due to intense light conditions, and is useful for protecting the stability of aloe vera extract and ascorbic acid in the compositions of the present invention.
The ascorbic acid can promote the formation of antibodies and collagen, can effectively promote tissue repair and iron absorption, plays a vital role in metabolism of phenylalanine, tyrosine and folic acid, firstly enhances the resistance of citrus by introducing the ascorbic acid, and secondly can effectively prevent the condition of oxidized sunscald caused by strong illumination, thereby playing a role in relieving and repairing the sunscald.
The film forming agent has the main function of forming a transparent film on the surface of citrus, and has the function of prolonging the action time of the medicine on the fruit surface and playing a long-lasting effect.
The sun-burn phenomenon of citrus mainly causes high-temperature oxidation and rapid dehydration on the local part of citrus fruits under high-temperature strong light to form solar fruits. According to the invention, avobenzone is introduced to absorb and resist UV rays in strong light, so that damage to the surfaces of fruits is reduced, meanwhile, the ascorbic acid and aloe vera extract are used for enhancing the resistance of oranges, slowing down the oxidation effect of strong light on the surfaces of the downloaded oranges, simultaneously, anthraquinone substances are used for repairing the surfaces of the oranges, the long-lasting protection effect is achieved on the surfaces of the oranges through the action of a film forming agent, and meanwhile, the aloe vera extract is assisted to form a water locking film on the surfaces of the oranges, so that the thickness of a wax layer on the surfaces of the oranges is increased, and the effects of reducing the rapid volatilization of moisture, resisting strong light for a long time, repairing the oranges rapidly and reducing solar fruits are achieved.
According to the citrus sunburn-preventing pesticide composition, due to the synergistic effect of avobenzone, aloe vera extract and ascorbic acid, the resistance of citrus can be enhanced under the auxiliary effect of a film forming agent, a layer of water locking film can be formed on the surface of the citrus rapidly, the thickness of a waxy layer on the surface of the citrus is increased, the citrus can be kept water for a long time, the citrus is antioxidation, meanwhile, UV rays can be resisted for a long time, the solar fruits can be repaired rapidly, the loss of citrus planting process can be obviously reduced, the economic benefit of a planter is increased, the application is convenient, safety and environmental protection are realized, and the cost is low.
The pesticide composition B (see test examples) can obviously improve the sun-burn prevention performance of oranges, reduce the solar fruit rate, reduce the fruit dropping rate caused by solar fruits, ensure clean fruit surfaces, and obviously increase the economic benefits of farmers by comparing the pesticide composition B with other comparative examples through experiments at two places.
Detailed Description
Example 1:
the citrus sunburn-preventing pesticide composition of the embodiment 1 comprises the following components in percentage by weight: 20% of aloe vera extract, 1% of avobenzone, 5% of ascorbic acid, 0.1% of film forming agent, 0.5% of laurylbetaine and the balance of water. The preparation method of the aloe vera extract comprises the following steps: freezing Aloe vera to vitrification state with liquid nitrogen, pulverizing with pulverizer, and mixing with ethanol: glycerol: vacuum extracting aloe vera in the ratio of 5:5:1 in an extraction tank under the pressure of-0.02 to-0.04 Mpa, the temperature of 40-50 ℃ and the stirring time of 2-4 h, cooling to normal temperature after extraction, and filtering to collect filtrate, thus obtaining aloe vera extract.
Example 2:
the citrus sunburn-preventing pesticide composition of the embodiment 2 comprises the following components in percentage by weight: 25% of aloe vera extract, 2% of avobenzone, 6% of ascorbic acid, 0.2% of film forming agent, 0.5% of laurinol betaine, 0.5% of fatty alcohol polyoxyethylene ether and the balance of water. The preparation method of aloe vera extract is the same as in example 1.
Example 3:
the citrus sunburn-preventing pesticide composition of the embodiment 3 comprises the following components in percentage by weight: 30% of aloe vera extract, 3% of avobenzone, 6.5% of ascorbic acid, 0.3% of film forming agent, 1% of laurinol betaine, 0.5% of fatty alcohol polyoxyethylene ether and the balance of water. The preparation method of aloe vera extract is the same as in example 1.
Example 4:
the citrus sunburn-preventing pesticide composition of the embodiment 4 comprises the following components in percentage by weight: 35% of aloe vera extract, 4% of avobenzone, 6.5% of ascorbic acid, 0.4% of film forming agent, 1% of laurinol betaine, 1% of fatty alcohol polyoxyethylene ether and the balance of water. The preparation method of aloe vera extract is the same as in example 1.
Example 5:
the citrus sunburn-preventing pesticide composition of the embodiment 5 comprises the following components in percentage by weight: 40% of aloe vera extract, 4.5% of avobenzone, 7% of ascorbic acid, 0.5% of film forming agent, 1.5% of laurinol betaine, 1% of fatty alcohol polyoxyethylene ether and the balance of water. The preparation method of aloe vera extract is the same as in example 1.
Example 6:
the citrus sunburn-preventing pesticide composition of the embodiment 6 comprises the following components in percentage by weight: 45% of aloe vera extract, 5% of avobenzone, 7% of ascorbic acid, 0.5% of film forming agent, 3% of fatty alcohol polyoxyethylene ether and the balance of water. The preparation method of aloe vera extract is the same as in example 1.
Example 7:
the citrus sunburn-preventing pesticide composition of the embodiment 7 comprises the following components in percentage by weight: 50% of aloe vera extract, 6% of avobenzone, 7.5% of ascorbic acid, 0.6% of film forming agent, 3.5% of fatty alcohol polyoxyethylene ether and the balance of water. The preparation method of aloe vera extract is the same as in example 1.
Example 8:
the citrus sunburn-preventing pesticide composition of the embodiment 8 comprises the following components in percentage by weight: 60% of aloe vera extract, 8% of avobenzone, 8% of ascorbic acid, 0.7% of film forming agent, 3.5% of fatty alcohol polyoxyethylene ether, 1% of laurinol betaine and the balance of water. The preparation method of aloe vera extract is the same as in example 1.
Example 9:
the citrus sunburn-preventing pesticide composition of the embodiment 9 comprises the following components in percentage by weight: 65% of aloe vera extract, 9% of avobenzone, 9% of ascorbic acid, 0.9% of film forming agent, 3.5% of fatty alcohol polyoxyethylene ether, 1.5% of laurinol betaine and the balance of water. The preparation method of aloe vera extract is the same as in example 1.
Example 10:
the citrus sunburn-preventing pesticide composition of the embodiment 10 comprises the following components in percentage by weight: 70% of aloe vera extract, 10% of avobenzone, 10% of ascorbic acid, 1% of film forming agent, 4% of fatty alcohol polyoxyethylene ether, 1% of laurinol betaine and the balance of water. The preparation method of aloe vera extract is the same as in example 1.
Test examples
Comparative example B the citrus sunburn protection pesticide composition of example 7 was as follows: 50% of aloe vera extract, 6% of avobenzone, 7.5% of ascorbic acid, 0.6% of film forming agent, 3.5% of fatty alcohol polyoxyethylene ether and the balance of water.
10 comparative examples A to J including the citrus sunburn-preventing pesticide composition (B) prepared in example 7 above were subjected to test comparison on Wo citrus.
The tests were carried out in the Sichuan Kagaku, milkali, walker, milkali, and air-quality industrial park. Respectively selecting 60 citrus trees with consistent growth conditions from each variety in an industrial park, carrying out 10 treatments by an A-J meter, repeating the comparison test for three times, and randomly arranging twelve comparison examples: a: comparing with clear water; b: the dilution of example 7 above was 500-fold (aloe vera extract 1000 ppm+avobenzone 120 ppm+ascorbic acid 150 ppm); c: diluting 50% aloe vera extract 500 times (aloe vera extract 1000 ppm); d:6% avobenzone diluted 500-fold (avobenzone 120 ppm); e:7.5% ascorbic acid diluted 500-fold (150 ppm ascorbic acid); f:50% aloe vera extract+6% avobenzone diluted 500-fold (aloe vera extract 1000 ppm+avobenzone 120 ppm); g:50% aloe vera extract+7.5% ascorbic acid diluted 500-fold (aloe vera extract 1000 ppm+ascorbic acid 150 ppm); h:6% avobenzone+7.5% ascorbic acid diluted 500-fold (avobenzone 120 ppm+ascorbic acid 150 ppm); i: diluting commercial calcareous sun-shading products by 20 times; j: commercial sun-shading paper patches.
The comparison test is repeated for three times, the application period is 7 months and 27 days, the fruit bearing amount of each tree is counted when the medicine is applied, the treatment A-I adopts a leaf surface uniform spraying mode, the treatment J adopts a fruit surface local covering adhesion, the solar fruit amount is counted at 8 months and 23 days, and the fruit dropping rate of citrus and whether the fruit surface has pollution or not are counted at 10 months and 10 days.
Test results:
1. treatment pairs of different medicaments Qianliang Shi Jie Wo orange prevents the effect of sunburn (see Table 1)
TABLE 1 Effect of different agent treatments on Wankan sunscald protection (2021)
2. Influence of different treatments on the quality of the day-burn protection of the Mirabilitum in Sichuan province (see Table 2)
TABLE 2 influence of different treatment of drugs on the love of eyebrow mountain (2021)
From tables 1 and 2, it can be seen that the pesticide composition B of the pesticide composition for preventing sunscald of citrus can obviously improve the sunscald preventing performance of citrus, reduce solar fruits, reduce the fruit drop rate caused by the solar fruits, and meanwhile, the fruit surfaces are clean, and compared with other comparative examples through two-place experiments, the pesticide composition B of the invention has obvious difference, is convenient to use, and can obviously increase economic benefits of farmers.
The above embodiments are further illustrative of the present invention, but the scope of the subject matter should not be construed as being limited to the embodiments. All techniques based on the above are within the scope of the present invention.
Claims (4)
1. The citrus sun-burn prevention pesticide composition is characterized by comprising the following components in percentage by weight:
20-70% of aloe vera extract,
avobenzone: 1-10%,
ascorbic acid: 5-10%,
0.1-1% of film forming agent,
0.5-5% of a surfactant,
the balance of water is complemented up,
the film forming agent is polyvinylpyrrolidone,
the surfactant is at least one of laurinol betaine and fatty alcohol polyoxyethylene ether,
the citrus sunburn-preventing pesticide composition is a liquid.
2. The citrus sunburn resistant pesticide composition of claim 1, wherein the aloe vera extract is prepared by the steps of: freezing Aloe vera to vitrification state with liquid nitrogen, pulverizing with pulverizer, and mixing with ethanol: glycerol: vacuum extracting aloe vera in the ratio of 5:5:1 in an extraction tank under the pressure of-0.02 to-0.04 Mpa, the temperature of 40-50 ℃ and the stirring time of 2-4 h, cooling to normal temperature after extraction, and filtering to collect filtrate, thus obtaining aloe vera extract.
3. The citrus sunburn resistant pesticide composition of claim 1, comprising the following components in weight percent:
25-60% of aloe vera extract,
avobenzone: 2-8%,
ascorbic acid: 6-8%,
0.2-0.8% of film forming agent,
1-5% of a surfactant,
the balance of water is complemented.
4. The citrus sunburn resistant pesticide composition of claim 1, wherein the method of preparation of the invention is: the aloe vera extractive solution is used to dissolve avobenzone, ascorbic acid and film forming agent completely, and then water and surfactant are added and stirred uniformly to obtain the citrus sunburn-preventing pesticide composition.
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