CN108770862A - A kind of rice lodging-prevention increasing agent and its application method - Google Patents

A kind of rice lodging-prevention increasing agent and its application method Download PDF

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Publication number
CN108770862A
CN108770862A CN201810640924.6A CN201810640924A CN108770862A CN 108770862 A CN108770862 A CN 108770862A CN 201810640924 A CN201810640924 A CN 201810640924A CN 108770862 A CN108770862 A CN 108770862A
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rice
seed
lodging
increasing agent
prevention
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Inventor
龚辉
涂昌玉
李庠
戴恺
万英
高青松
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Hunan Tianfeng Agricultural Science And Technology Co Ltd
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Hunan Tianfeng Agricultural Science And Technology Co Ltd
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION 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
    • A01N51/00Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds having the sequences of atoms O—N—S, X—O—S, N—N—S, O—N—N or O-halogen, regardless of the number of bonds each atom has and with no atom of these sequences forming part of a heterocyclic ring
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION 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
    • A01N25/00Biocides, pest repellants or attractants, or plant growth regulators, characterised by their forms, or by their non-active ingredients or by their methods of application, e.g. seed treatment or sequential application; Substances for reducing the noxious effect of the active ingredients to organisms other than pests
    • A01N25/12Powders or granules
    • A01N25/14Powders or granules wettable
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION 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
    • A01N37/00Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids
    • A01N37/36Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing at least one carboxylic group or a thio analogue, or a derivative thereof, and a singly bound oxygen or sulfur atom attached to the same carbon skeleton, this oxygen or sulfur atom not being a member of a carboxylic group or of a thio analogue, or of a derivative thereof, e.g. hydroxy-carboxylic acids
    • A01N37/38Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing at least one carboxylic group or a thio analogue, or a derivative thereof, and a singly bound oxygen or sulfur atom attached to the same carbon skeleton, this oxygen or sulfur atom not being a member of a carboxylic group or of a thio analogue, or of a derivative thereof, e.g. hydroxy-carboxylic acids having at least one oxygen or sulfur atom attached to an aromatic ring system
    • A01N37/40Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom having three bonds to hetero atoms with at the most two bonds to halogen, e.g. carboxylic acids containing at least one carboxylic group or a thio analogue, or a derivative thereof, and a singly bound oxygen or sulfur atom attached to the same carbon skeleton, this oxygen or sulfur atom not being a member of a carboxylic group or of a thio analogue, or of a derivative thereof, e.g. hydroxy-carboxylic acids having at least one oxygen or sulfur atom attached to an aromatic ring system having at least one carboxylic group or a thio analogue, or a derivative thereof, and one oxygen or sulfur atom attached to the same aromatic ring system
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION 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
    • A01N43/00Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/64Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with three nitrogen atoms as the only ring hetero atoms
    • A01N43/647Triazoles; Hydrogenated triazoles
    • A01N43/6531,2,4-Triazoles; Hydrogenated 1,2,4-triazoles

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  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • Plant Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Pest Control & Pesticides (AREA)
  • Agronomy & Crop Science (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Toxicology (AREA)
  • Pretreatment Of Seeds And Plants (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

The invention discloses a kind of rice lodging-prevention increasing agent and its application methods, are compounded by imidacloprid, paclobutrazol and acetylsalicylic acid, can not only solve direct seading rice lodging and seedling stage pest problem, while can improve the yield of direct seading rice.Direct-seeding Rice lodging is an important factor for leading to the direct sowing of rice rice underproduction, this agent prescription is applied widely, effect stability, can solve the problems, such as the live streaming lodging of Different Types of Rice kind.

Description

A kind of rice lodging-prevention increasing agent and its application method
Technical field
The present invention relates to agriculture field, specially a kind of rice lodging-prevention increasing agent and its application method.
Background technology
Direct sowing of rice (broadcasting sowing) is i.e. without seedling, a kind of planting type transplanted and seed is directly sowed to crop field.Greatly Area direct sowing of rice can save a large amount of labours, alleviate the contradiction of labour's season sexual tension, to realizing the lightness, specially of Rice Production Industry, scale have great significance, and have wide promotion prospect.Direct sowing of rice has the advantage that:First, saving of labor, province Power:Traditional seedling, transplanting recruitment are eliminated, and saves rice seedling bed, keeps Rice Production simply light.Second is that yield is high:Due to live streaming Rice is more advantageous to low section tiller, and ear stem optimizes reasonable disposition, and main tiller fringe substantially neat and consistent, the percentage of earbearing tiller is high, and total spike number is more, The generally volume increase 5% of the more traditional transplanting rice of the upper direct seading rice of large area production.Third, reduction in the life period:Direct seading rice is planted without pulling up seedlings It wound and turns green process after planting, thus growing process is accelerated, rice of the breeding time generally than same period transplanting shortens 5-7 days.Fourth, having It is produced conducive to development scale metaplasia.In south rice crop ped location, a kind of main planting type will be increasingly becoming.
But there are also agronomic technique problems not to be solved at all for direct-seeding, special if direct sowing rice field crop smothering is serious Be not because the root of Direct-seeding Rice rice does not have transplanting rice to prick deep, therefore in rice the later stage be easy to lodge, Direct-seeding Rice is in seedling Seedling period, it is easier to be endangered by some rice seedling pests.Currently, in order to solve Direct-seeding Rice lodging, commonly use paclobutrazol into Row seed dressing, or add paclobutrazol compounding to be soaked seed or be coated with carbendazim, it needs to carry out nursery, similar approach is to a certain extent The problem of rice lodging can be alleviated, but seedling stage pest problem is not solved very well yet, therefore larger damage is caused to direct seading rice It loses.
Invention content
The present invention provides a kind of rice lodging-prevention increasing agent and its application method, solves direct seading rice in the prior art and fall The problem of volt, also solves seedling stage pest problem, while can improve the yield of rice.The reagent can be not only used for drought and educate rice, It can be used for paddy field, be not required to nursery, wide adaptation range is applicable in Production of Large Fields.
A kind of rice lodging-prevention increasing agent provided by the invention, including active ingredient and other compositions, active ingredient according to Mass percent is made of imidacloprid 8%-11.25%, paclobutrazol 0.02%-0.03% and acetylsalicylic acid 3%-5%, His ingredient accounts for 83.72%-88.93% according to mass percent, which is type water dispersable granules.
Specifically, aforementioned other compositions include wetting agent, dispersant, interleaving agent and thickener.
Specifically, imidacloprid (C9H10ClN5O2) belongs to nicotinoids efficient pesticides, have wide spectrum, efficiently, low toxicity, it is low Residual, pests are not easy to produce resistance, the features such as to people, animal, plant and natural enemies security, and have and tag, stomach toxicity and interior suction etc. it is multiple Effect.After contacting pests medicament, nervous centralis normal conduction is obstructed, and keeps its paralysis dead.Product quick-acting is good, is within 1 day after medicine There are higher preventive effect, residual life to be up to 25 days or so.Drug effect and temperature are proportionate, and temperature is high, good disinsection effect.It is mainly used for Prevent sucking pest.
Paclobutrazol (C15H20ClN3O) is a plant growth regulators, has and delays plant growth, and stalk is inhibited to stretch It is long, shorten internode, promote plant tillering, increase plant stress-resistance performance, improves yield and other effects.Paclobutrazol is suitable for water paddy and wheat The crops such as class, peanut, fruit tree, tobacco, rape, soybean, flowers, lawn, using effect are notable.
Acetylsalicylic acid (CH3COOC6H4COOH) is salicyclic acid derivatives, is a kind of white crystals or crystalline powder, Odorless or micro-strip acetic acid is smelly, is slightly soluble in water, is soluble in ethyl alcohol, dissolves in ether, chloroform, aqueous solution is in acidity.Through last 100 years Clinical application, it was demonstrated that alleviating slight or moderate pain, such as toothache, headache, neuralgia, DOMS and dysmenorrhoea effect are preferable, Also it is used to catching a cold, the fever diseases such as influenza are brought down a fever, treatment rheumatalgia etc..Discovered in recent years aspirin on platelet is populated with Inhibiting effect can prevent thrombosis, clinically be used for prevent transient ischemic attack, myocardial infarction, heart valve prosthesis and The formation of thrombus after venous fistula or other operations.
Specifically, in aforementioned other compositions, wetting agent, dispersant and interleaving agent are main component, and thickener is water-dispersed The ingredients of granula.
Specifically, rice lodging-prevention increasing agent provided by the invention, active ingredient are according to mass percent:Imidacloprid 11.25%, paclobutrazol 0.03% and acetylsalicylic acid 5%;The other compositions are according to mass percent:Alkyl naphthalene sulfonic acid Salt 65%, lignosulfonates 17.72%, silica gel 0.5% and montmorillonite 0.5%.Wherein, alkylnaphthalene sulfonate, sulfomethylated lignin Hydrochlorate and silica gel are main component, and montmorillonite is the ingredients of water dispersible granules.
The present invention also provides a kind of rice lodging-prevention increasing agent application methods, are increased using rice lodging-prevention provided by the invention Production agent carries out seed soaking or Dressing to rice, wherein seed soaking step is:
S01:Mixed liquor, by the rice lodging-prevention increasing agent and water according to 1:1000 mass ratio mixing, stirring are equal It is even to obtain mixed liquor;
S02:It soaks seed for the first time, soaks seed rice with clear water, water consumption is that seed rice is all submerged, and first time seed soaking time is 12-24 hours;
S03:Dew kind, by first time, the seed rice of seed soaking takes out from water, is rinsed well with clear water, puts and reveal 3-5 in air Hour;
S04:Second of seed rice seed soaking, after the completion of revealing kind, the mixed liquid dipping seed described in the first step, the mixing Liquid is 1 with seed quality ratio:2, soaking time is 8-12 hours;
S05:It cleans, after second of seed rice seed soaking, pulls seed out, be filtered dry, clear water is used in combination to rinse well, prepare to broadcast Kind;
Wherein, Dressing step is:
S21:It soaks seed for the first time, with Seed soaking, water consumption is to submerge seed as standard, first time seed soaking time 12-24 Hour;
S22:Dew kind takes out the seed rice soaked seed for the first time, is rinsed well with clear water, reveals 3-5 hours;
S23:Second soaked seed, with Seed soaking 8-12 hours;
S24:Seed dressing is used before sowing with the rice lodging-prevention increasing agent and seed rice before sowing by 1:(300-1000's) Mass ratio carries out full and uniform seed dressing.
In conjunction with practical weather conditions, processing time according to environment temperature, water temperature and morning and evening seed rice situation, is suggesting time model Enclose interior appropriate increase and decrease.
Specifically, the rice lodging-prevention increasing agent application method is soaked seed for the first time, and seed soaking time is early rice 24 hours, Late rice 12 hours, semilate rice or one season seed rice 14 hours;Dew kind, early spring low temperature, early rice seed heat preservation disposed within, semilate rice, late rice It need not keep the temperature;Second of seed rice seed soaking, early rice, semilate rice are identical with late rice seed soaking time.
Specifically, the rice lodging-prevention increasing agent application method uses rice lodging-prevention increasing agent treated rice Application rate is:Conventional Rice is that 3-4kg, hybrid paddy rice are 1.3-1.7kg per acre per acre.
Specifically, the rice lodging-prevention increasing agent application method uses rice lodging-prevention increasing agent treated rice Seed, broadcasting sowing step by hand is:
(1) the processed rice paddy seed of rice lodging-prevention increasing agent will be used to be planted on the compartment face without bright water;
(2) rice paddy seed of gross mass 70% is first broadcast;
(3) it is filled a vacancy again with the rice paddy seed of gross mass 30% dilute;
(4) gently collapse paddy or lid last layer rapeseed hull after broadcasting;
(5) after planting 20-25 days progress fields look into seedling and fill the gaps with seedlings, and it is dilute to move close benefit.
Specifically, the rice lodging-prevention increasing agent application method, when rice lodging-prevention increasing agent treated rice seed Son is the hybrid rice seed period of the day from 11 p.m. to 1 a.m, educates preliminary seedling by rice paddy seed gross mass 10% within 7-8 days in advance.
Specifically, the rice lodging-prevention increasing agent application method, in rice lodging-prevention increasing agent treated rice seed Before the kind of son and seedling stage carries out chemical weed control, specifically,
(1) before sowing, 3-5 days after the leveling of rice field, a concentration of 60% butachlor emulsion 125-150g is used per acre, is watered 30-40kg sprays, or mixes 5-8kg humidity fine earths using a concentration of 60% butachlor emulsion 125-150g per acre, mixing After spread fertilizer over the fields;
(2) young plant weeding uses a concentration of 35% Le Jiding benzyls 80- per acre in one leaf of rice shoot wholeheartedly to one heart stage of two leaves 100g is watered 30-40kg sprayings;Or in tri-leaf period, it is 35% field blueness wettable powder 40-50g to use active ingredient per acre, It is watered 30kg sprayings;
(3) field keeps shallow water when spraying, and water is fallen dry naturally after spray.
Rice lodging-prevention increasing agent provided by the invention is compounded by imidacloprid, paclobutrazol and acetylsalicylic acid, not only may be used To solve direct seading rice lodging and seedling stage pest problem, while the yield of direct seading rice can be improved.Wherein, Direct-seeding Rice, which lodges, is An important factor for leading to the Direct-seeding Rice underproduction, this agent prescription is applied widely, can solve the live streaming lodging of Different Types of Rice kind The problem of.Lodging problem:2017, because of the diastrous weathers reason such as rainfall and typhoon, Yangtze river basin rice occurrence of large-area was fallen Volt, and the processed seed rice of rice lodging-prevention increasing agent provided by the invention has been used, without lodging;Seedling stage insect pest is asked Topic:Direct sowing of rice rice, rice shoot are subject to the pest damages such as rice thrips, planthopper, are increased using rice lodging-prevention provided by the invention It is very light by affected by pests to produce the processed seed rice of agent;Meanwhile passing through Experimental comparison, rice lodging-prevention volume increase provided by the invention Agent commonly uses insect prevention reagent resistant to lodging or resistant to lodging, obvious effect of increasing production relative to current market.
Description of the drawings
In order to illustrate more clearly of the technical solution of the application, letter will be made to attached drawing needed in the embodiment below Singly introduce, it should be apparent that, for those of ordinary skills, without having to pay creative labor, Other drawings may also be obtained based on these drawings.
Fig. 1 soaks seed to seed using rice lodging-prevention increasing agent provided by the invention to be provided in an embodiment of the present invention The step schematic diagram of processing;
Fig. 2 dresses seed to seed using rice lodging-prevention increasing agent provided by the invention to be provided in an embodiment of the present invention The step schematic diagram of processing.
Specific implementation mode
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technology description to be briefly described, it should be apparent that, for those of ordinary skill in the art Speech, without creative efforts, other drawings may also be obtained based on these drawings.
Embodiment 1
A kind of rice lodging-prevention increasing agent, the reagent include active ingredient and other compositions, wherein active ingredient according to Mass percent is:Imidacloprid 11.25%, paclobutrazol 0.03% and acetylsalicylic acid 5%.Other compositions in embodiment 1 are pressed It is according to quality percentage:Alkylnaphthalene sulfonate 65.00%, lignosulfonates 17.72%, silica gel 0.5% and montmorillonite 0.5%, Dosage form is water dispersible granules.
Wherein, alkylnaphthalene sulfonate is covered as dispersant, silica gel as interleaving agent as wetting agent, lignosulfonates De- soil is used as thickener.
A kind of application method of rice lodging-prevention increasing agent, specifically,
1. fine site preparation.The field face of direct seading rice keeps leveling, bedding, 1 cun of furrow face height difference.One is opened every 3 meters Furrow ditch, as working line, in order to the field management such as apply fertilizer, spray insecticide.
2. variety selection:Various types of rice varieties can be used as and broadcast sowing kind.
3. seed soaking or Dressing are carried out to rice paddy seed using rice lodging-prevention increasing agent provided by the invention, if made With seed soaking mode, step is, as shown in Figure 1, the description of following specific examples is based on attached drawing 1:
S101:Mixed liquor, by the rice lodging-prevention increasing agent in embodiment 1 with water according to 1:1000 mass ratio is mixed It closes, is uniformly mixing to obtain mixed liquor;
S102:It soaks seed for the first time, soaks seed rice with clear water, water consumption is that seed rice is all submerged, and spring temperature is relatively low, early rice Leaching 24 hours or so, late rice are soaked 12 hours or so, semilate rice or one season seed rice 14 hours or so;
S103:Dew kind, by first time, the seed rice of seed soaking takes out from water, is rinsed well with clear water, and it is small to put dew 4 in air When;
S104:Second of seed rice seed soaking, after the completion of revealing kind, with the mixed liquid dipping seed in the first step, mixed liquor It is 1 with seed quality ratio:2, soaking time is 10 hours;
S105:It cleans, after second of seed rice seed soaking, pulls seed out, be filtered dry, clear water is used in combination to rinse well, prepare to broadcast Kind;
If using seed dressing mode, step is, as shown in Fig. 2, the description of following specific examples is base with attached drawing 2 Plinth:
S121:It soaks seed for the first time, soaks seed rice with clear water, water consumption is that seed rice is all submerged, and spring temperature is relatively low, early rice Leaching 24 hours or so, late rice are soaked 12 hours or so, semilate rice or one season seed rice 14 hours or so;
S122:Dew kind takes out the seed rice soaked seed for the first time, is rinsed well with clear water, reveals 4 hours;
S123:Second soaked seed, with Seed soaking 10 hours;
S124:Seed dressing presses 1 with the rice lodging-prevention increasing agent in embodiment 1 before sowing with seed rice:1000 mass ratio Carry out full and uniform seed dressing.
4. sowing time:It begins sowing in good time, general direct seading rice than transplanting rice late sowing 9 days, want by early direct sowing of rice Suitable Sowing Period It asks daily mean temperature to stablize at 12 DEG C or more, gets the jump on cold tail and warm up head sowing.Generally in April, early and middle ten days sowing is advisable Hunan early rice. The phase is broadcast live in double cropping late rice should be in early and middle ten days in July.
5. application rate:Field seeding amount per acre:Conventional Rice is 3.5kg, hybrid paddy rice is 1.5kg or so.
6. seeding method:It is broadcast live or broadcasts sowing.It, will be through rice lodging-prevention increasing agent provided by the invention using what is broadcasted sowing by hand Processed seed sowing is on compartment face of the compartment without bright water.To ensure to sow the uniformity, it may be used and determine the quantitative method of furrow, first It is mended after dilute, i.e., first broadcasts the seed of gross mass 70%, then filled a vacancy with the seed of gross mass 30% dilute.Hybrid paddy rice will also shift to an earlier date 7-8 It educates preliminary seedling by the 10% of seed gross mass, to prevent being seriously short of seedling.Gently collapse after broadcasting paddy, it is conditional can lid last layer rapeseed Shell, to keep the temperature and prevent bird pest and rain drop erosion.
7. field looks into seedling and fills the gaps with seedlings:At after planting 22 days, carry out field and look into seedling to fill the gaps with seedlings work, move it is close mend dilute, make rice strain distribution Uniformly, individual growth balances.
8. chemical weed control:Direct seading rice must carry out chemical weed control in time.It is general to be carried out prior to seeding with seedling stage respectively.
(1) sow before, rice field leveling after 4 days, per acre use a concentration of 60% butachlor emulsion 125g, be watered 30kg into Row spraying, or 5kg humidity fine earths are mixed using a concentration of 60% butachlor emulsion 125g per acre, it is spread fertilizer over the fields after mixing;
(2) young plant weeding uses a concentration of 35% Le Jiding benzyl 80g per acre in one leaf of rice shoot wholeheartedly to one heart stage of two leaves, It is watered 30kg sprayings;Or in tri-leaf period, it is 35% field blueness wettable powder 40g to use active ingredient per acre, is watered 30kg sprays Mist.
(3) field keeps shallow water when spraying, and water is fallen dry naturally after spray.
9. science Guan Shui:The irrigation of direct seading rice must adhere to that sprouting stage moistens, seedling stage thin water, tiller intermittent irrigation early period, Tiller middle and later periods dry field reaches seedling or enough seedling dry fields, booting heading stage fill a cun water, strengthens the principle of the seed phase wet irrigation of dry dry and wet.The specific palm Sowing is held in the not upper furrow face of tri-leaf period water, keeps having water in furrow ditch, it, then can be in dusk or early morning but if mitogen occurs in furrow face Fill horse race water;Tri-leaf period is to late tillering state intermittent irrigation, tiller middle and later periods timely dry field.
10. the rational application of fertilizer:Use sufficient base manure before sowing, tri-leaf period applies wean fertilizer, and when dry field rehydration, which drinks, applies ear manuer.Dose regards Depending on soil fertility and the rice growth of cereal crop seedlings.
Embodiment 2
A kind of rice lodging-prevention increasing agent, the reagent include active ingredient and other compositions, wherein active ingredient according to Mass percent is:Imidacloprid 10%, paclobutrazol 0.025% and acetylsalicylic acid 4%.Other compositions in embodiment 2 according to Quality percentage is:Alkylnaphthalene sulfonate 67.255%, lignosulfonates 17.72%, silica gel 0.5% and montmorillonite 0.5%, agent Type is water dispersible granules.
Wherein, alkylnaphthalene sulfonate is covered as dispersant, silica gel as interleaving agent as wetting agent, lignosulfonates De- soil is used as thickener.
The present invention also provides the application methods of rice lodging-prevention increasing agent, specifically,
1. fine site preparation.The field face of direct seading rice keeps leveling, bedding, 1 cun of furrow face height difference.One is opened every 3 meters Furrow ditch, as working line, in order to the field management such as apply fertilizer, spray insecticide.
2. variety selection:Various types of rice varieties can be used as and broadcast sowing kind.
3. seed soaking or Dressing are carried out to rice paddy seed using rice lodging-prevention increasing agent provided by the invention, if made With seed soaking mode, step is that as is shown in fig. 1, the description of following specific examples is based on attached drawing 1:
S201:Mixed liquor, by the rice lodging-prevention increasing agent in embodiment 2 with water according to 1:1000 mass ratio is mixed It closes, is uniformly mixing to obtain mixed liquor;
S202:It soaks seed for the first time, with Seed soaking, for water consumption to submerge seed as standard, spring temperature is lower, early rice Leaching 24 hours or so, late rice are soaked 14 hours or so, semilate rice or one season seed rice 16 hours or so;
S203:Dew kind, by first time, the seed rice of seed soaking takes out from water, is rinsed well with clear water, and it is small to put dew 5 in air When;
S204:Second of seed rice seed soaking, after the completion of revealing kind, with the mixed liquid dipping seed in the first step, mixed liquor It is 1 with seed quality ratio:2, soaking time is 12 hours;
S205:It cleans, after second of seed rice seed soaking, pulls seed out, be filtered dry, clear water is used in combination to rinse well, prepare to broadcast Kind;
If using seed dressing mode, step is, as shown in Fig. 2, the description of following specific examples is base with attached drawing 2 Plinth:
S221:It soaks seed for the first time, with Seed soaking, for water consumption to submerge seed as standard, spring temperature is lower, early rice Leaching 24 hours or so, late rice are soaked 14 hours or so, semilate rice or one season seed rice 16 hours or so;
S222:Dew kind takes out the seed rice soaked seed for the first time, is rinsed well with clear water, reveals 5 hours;
S223:Second soaked seed, with Seed soaking 12 hours;
S224:Seed dressing presses 1 with the rice lodging-prevention increasing agent in embodiment 2 before sowing with seed rice:650 mass ratio Carry out full and uniform seed dressing.
4. sowing time:It begins sowing in good time, general direct seading rice than transplanting rice late sowing 10 days, want by early direct sowing of rice Suitable Sowing Period It asks daily mean temperature to stablize at 12 DEG C or more, gets the jump on cold tail and warm up head sowing.Generally in April, early and middle ten days sowing is advisable Hunan early rice. The phase is broadcast live in double cropping late rice should be in early and middle ten days in July.
5. application rate:Field seeding amount per acre:Conventional Rice is 3kg, hybrid paddy rice is 1.3kg or so.
6. seeding method:It is broadcast live or broadcasts sowing.It, will be through rice lodging-prevention increasing agent provided by the invention using what is broadcasted sowing by hand Processed seed sowing is on compartment face of the compartment without bright water.To ensure to sow the uniformity, it may be used and determine the quantitative method of furrow, first It is mended after dilute, i.e., first broadcasts the seed of gross mass 70%, then filled a vacancy with the seed of gross mass 30% dilute.Hybrid paddy rice will also shift to an earlier date 7-8 It educates preliminary seedling by the 10% of seed gross mass, to prevent being seriously short of seedling.Gently collapse after broadcasting paddy, it is conditional can lid last layer rapeseed Shell, to keep the temperature and prevent bird pest and rain drop erosion.
7. field looks into seedling and fills the gaps with seedlings:At after planting 20 days, carry out field and look into seedling to fill the gaps with seedlings work, move it is close mend dilute, make rice strain distribution Uniformly, individual growth balances.
8. chemical weed control:Direct seading rice must carry out chemical weed control in time.It is general to be carried out prior to seeding with seedling stage respectively.
(1) before sowing, 5 days after the leveling of rice field, a concentration of 60% butachlor emulsion 137g is used per acre, is watered 35kg progress Spraying, or 7kg humidity fine earths are mixed using a concentration of 60% butachlor emulsion 137g per acre, it is spread fertilizer over the fields after mixing;
(2) young plant weeding uses a concentration of 35% Le Jiding benzyl 90g per acre in one leaf of rice shoot wholeheartedly to one heart stage of two leaves, It is watered 35kg sprayings;Or in tri-leaf period, it is 35% field blueness wettable powder 45g to use active ingredient per acre, is watered 30kg sprays Mist.
(3) field keeps shallow water when spraying, and water is fallen dry naturally after spray.
9. science Guan Shui:The irrigation of direct seading rice must adhere to that sprouting stage moistens, seedling stage thin water, tiller intermittent irrigation early period, Tiller middle and later periods dry field reaches seedling or enough seedling dry fields, booting heading stage fill a cun water, strengthens the principle of the seed phase wet irrigation of dry dry and wet.The specific palm Sowing is held in the not upper furrow face of tri-leaf period water, keeps having water in furrow ditch, it, then can be in dusk or early morning but if mitogen occurs in furrow face Fill horse race water;Tri-leaf period is to late tillering state intermittent irrigation, tiller middle and later periods timely dry field.
10. the rational application of fertilizer:Use sufficient base manure before sowing, tri-leaf period applies wean fertilizer, and when dry field rehydration, which drinks, applies ear manuer.Dose regards Depending on soil fertility and the rice growth of cereal crop seedlings.
Embodiment 3
A kind of rice lodging-prevention increasing agent, the reagent include active ingredient and other compositions, wherein active ingredient according to Mass percent is:Imidacloprid 8%, paclobutrazol 0.02% and acetylsalicylic acid 3%.Other compositions in embodiment 3 are according to matter Measuring percentage is:Alkylnaphthalene sulfonate 66.00%, lignosulfonates 21.72%, silica gel 0.63% and montmorillonite 0.63%, Dosage form is water dispersible granules.
Wherein, alkylnaphthalene sulfonate is covered as dispersant, silica gel as interleaving agent as wetting agent, lignosulfonates De- soil is used as thickener.
The present invention also provides the application methods of rice lodging-prevention increasing agent, specifically,
1. fine site preparation.The field face of direct seading rice keeps leveling, bedding, 1 cun of furrow face height difference.One is opened every 3 meters Furrow ditch, as working line, in order to the field management such as apply fertilizer, spray insecticide.
2. variety selection:Various types of rice varieties can be used as and broadcast sowing kind.
3. seed soaking or Dressing are carried out to rice paddy seed using rice lodging-prevention increasing agent provided by the invention, if made With seed soaking mode, step is that as is shown in fig. 1, the description of following specific examples is based on attached drawing 1:
S301:Mixed liquor, by the rice lodging-prevention increasing agent in embodiment 3 with water according to 1:1000 mass ratio is mixed It closes, is uniformly mixing to obtain mixed liquor;
S302:It soaks seed for the first time, soaks seed rice with clear water, water consumption is that seed rice is all submerged, and spring temperature is suitable, early rice Leaching 24 hours or so, late rice are soaked 10 hours or so, semilate rice or one season seed rice 12 hours or so;
S303:Dew kind, by first time, the seed rice of seed soaking takes out from water, is rinsed well with clear water, and it is small to put dew 3 in air When;
S304:Second of seed rice seed soaking, after the completion of revealing kind, with the mixed liquid dipping seed in the first step, mixed liquor It is 1 with seed quality ratio:2, soaking time is 8 hours;
S305:It cleans, after second of seed rice seed soaking, pulls seed out, be filtered dry, clear water is used in combination to rinse well, prepare to broadcast Kind;
If using seed dressing mode, step is, as shown in Fig. 2, the description of following specific examples is base with attached drawing 2 Plinth:
S321:It soaks seed for the first time, soaks seed rice with clear water, water consumption is that seed rice is all submerged, and spring temperature is suitable, early rice Leaching 24 hours or so, late rice are soaked 10 hours or so, semilate rice or one season seed rice 12 hours or so;
S322:Dew kind takes out the seed rice soaked seed for the first time, is rinsed well with clear water, reveals 3 hours;
S323:Second soaked seed, with Seed soaking 8 hours;
S324:Seed dressing presses 1 with the rice lodging-prevention increasing agent in embodiment 3 before sowing with seed rice:300 mass ratio Carry out full and uniform seed dressing.
4. sowing time:It begins sowing in good time, general direct seading rice than transplanting rice late sowing 7 days, want by early direct sowing of rice Suitable Sowing Period It asks daily mean temperature to stablize at 12 DEG C or more, gets the jump on cold tail and warm up head sowing.Generally in April, early and middle ten days sowing is advisable Hunan early rice. The phase is broadcast live in double cropping late rice should be in early and middle ten days in July.
5. application rate:Field seeding amount per acre:Conventional Rice is 4kg, hybrid paddy rice is 1.7kg or so.
6. seeding method:It is broadcast live or broadcasts sowing.It, will be through rice lodging-prevention increasing agent provided by the invention using what is broadcasted sowing by hand Processed seed sowing is on compartment face of the compartment without bright water.To ensure to sow the uniformity, it may be used and determine the quantitative method of furrow, first It is mended after dilute, i.e., first broadcasts the seed of gross mass 70%, then filled a vacancy with the seed of gross mass 30% dilute.Hybrid paddy rice will also shift to an earlier date 7-8 It educates preliminary seedling by the 10% of seed gross mass, to prevent being seriously short of seedling.Gently collapse after broadcasting paddy, it is conditional can lid last layer rapeseed Shell, to keep the temperature and prevent bird pest and rain drop erosion.
7. field looks into seedling and fills the gaps with seedlings:At after planting 25 days, carry out field and look into seedling to fill the gaps with seedlings work, move it is close mend dilute, make rice strain distribution Uniformly, individual growth balances.
8. chemical weed control:Direct seading rice must carry out chemical weed control in time.It is general to be carried out prior to seeding with seedling stage respectively.
(1) sow before, rice field leveling after 3 days, per acre use a concentration of 60% butachlor emulsion 150g, be watered 40kg into Row spraying, or 8kg humidity fine earths are mixed using a concentration of 60% butachlor emulsion 150g per acre, it is spread fertilizer over the fields after mixing;
(2) young plant weeding uses a concentration of 35% Le Jiding benzyls per acre in one leaf of rice shoot wholeheartedly to one heart stage of two leaves 100g is watered 40kg sprayings;Or in tri-leaf period, it is 35% field blueness wettable powder 50g to use active ingredient per acre, is watered 30kg sprays.
(3) field keeps shallow water when spraying, and water is fallen dry naturally after spray.
9. science Guan Shui:The irrigation of direct seading rice must adhere to that sprouting stage moistens, seedling stage thin water, tiller intermittent irrigation early period, Tiller middle and later periods dry field reaches seedling or enough seedling dry fields, booting heading stage fill a cun water, strengthens the principle of the seed phase wet irrigation of dry dry and wet.The specific palm Sowing is held in the not upper furrow face of tri-leaf period water, keeps having water in furrow ditch, it, then can be in dusk or early morning but if mitogen occurs in furrow face Fill horse race water;Tri-leaf period is to late tillering state intermittent irrigation, tiller middle and later periods timely dry field.
10. the rational application of fertilizer:Use sufficient base manure before sowing, tri-leaf period applies wean fertilizer, and when dry field rehydration, which drinks, applies ear manuer.Dose regards Depending on soil fertility and the rice growth of cereal crop seedlings.
Seed is handled and broadcast using rice lodging-prevention increasing agent provided by the invention and rice lodging-prevention increasing agent To gathering in, experimental result is as follows for kind and field management.
Experiment 1:There is preferable application effect to verify rice lodging-prevention increasing agent provided in an embodiment of the present invention, it will be real The rice lodging-prevention increasing agent and similar product for applying the offer of example 1 carry out performance detection comparison, wherein at prescription medicament seed soaking Effect after reason is as shown in table 1.
Table 1:Increase production the effect after reagent seed soaking (test result in 2017, seed soaking) using lodging-prevention
Experiment 2:The rice lodging-prevention increasing agent that embodiment 1 is provided carries out performance detection comparison with similar product, wherein The effect increased production using lodging-prevention after reagent Dressing is as shown in table 2.
Table 2:Increase production the effect after reagent Dressing (test result in 2017, seed dressing) using lodging-prevention
Explanation:
(1) experiments 1 are carried out from experiment 2 in different plot;
(2) the blank control group plant height (116.5cm) used in experiments 2 is than testing the blank control group plant height used in 1 (119.2cm) is short.
By experiment 1 with experiment 2 experimental results comparison it can be found that using rice lodging-prevention provided in an embodiment of the present invention The processed rice paddy seed of increasing agent, planting percent, percentage establishment of seedling are high, and plant height is substantially reduced, and no lodging phenomenon is influenced very by insect pest Gently, volume increase is apparent.
Traditionally, paclobutrazol (C15H20ClN3O) is a plant growth regulators, has and delays plant growth, is inhibited Stalk extends, and shortens internode, promotes plant tillering, increases plant stress-resistance performance, improves yield and other effects.Paclobutrazol is suitable for water The crops such as paddy and wheat class, peanut, fruit tree, tobacco, rape, soybean, flowers, lawn, using effect are notable.
Carbendazim also known as carbendazol, carbendazol.Carbendazim is a kind of broad-spectrum germicide, to various crop by true Disease has control effect caused by bacterium (such as Fungi Imperfecti, more sac fungus).It can be used for foliar spray, seed treatment and soil treatment Deng.It can effectively prevent by fungus-caused various crop disease, the use scope in China is extensive, but its residual can cause liver Disease and chromosome aberration, it is toxic to mammal.
Using paclobutrazol handle two groups of seeds have better lodging-prevention performance (lodging ratio all drop to 6% with Under), using paclobutrazol and carbendazim compound drug treated two groups of seeds, relative to the plant for only using paclobutrazol processing, Total output increases on (table 1, last column of table 2).
But discovery is carefully studied, after carbendazim is added in paclobutrazol, seeding ratio is influenced, as shown in table 1, Emergence rate is reduced to 92.2% by 93.3%;As shown in table 2, emergence rate is reduced to 87.2% by 88.3%;Meanwhile it is real from two groups Data to be tested to can be seen that in paclobutrazol after addition carbendazim, plant lodging-prevention performance is declined, as shown in table 1, lodging rate It is increased to 5.9% by 4.7%;As shown in table 2, lodging rate is increased to 4.9% by 4%.
Therefore, after carbendazim being added in paclobutrazol, there is certain effect for seed diseases prevention, can carry to a certain degree High final overall crop yield, but the use of carbendazim is added to seeding ratio and plant lodging-prevention performance shadow in paclobutrazol It rings.
Rice lodging-prevention increasing agent provided by the invention is compounded using imidacloprid, paclobutrazol and acetylsalicylic acid, is fully examined Consider reagent itself and reagent performance after compounding, each one-way metrics and overall target.To plant emergence, mature seedling, lodging-prevention, disease-resistant There is preferable comprehensive using effect in terms of worm.
As shown in table 1, the original plant height 119.2cm of blank control group that experiment 1 uses;As shown in table 2, experiment 2 uses The original plant height 116.5cm of blank control group.Experiment 1 carries out seed soaking for the plant of original plant height 119.2cm to seed Afterwards, units increased in production is that 200.05kg ratios add the processed seed increasing 139kg of carbendazim, yield to increase half using paclobutrazol. Experiment 2, for the plant of original plant height 116.5cm, after carrying out Dressing to seed, production units increased in production uses more for 136kg ratios Effect azoles adds the processed seed increasing 78kg of carbendazim, and increasing will by about one time.
With reference to specific data, in experiment 1 and experiment 2, rice lodging-prevention increasing agent provided by the invention is in mature seedling Effect in terms of rate and planting percent is illustrated as follows.
Rice lodging-prevention increasing agent provided by the invention not only can reach ideal using effect in lodging-prevention, disease and insect resistance Fruit adds the technical solution of carbendazim relative to traditional paclobutrazol or paclobutrazol, has to plant percentage establishment of seedling and largely improves.
As shown in table 1, the rice paddy seed through seed soaking of the present invention does not lodge, and very light, mature seedling is influenced by insect pest Rate is 92.7%, compared to unused reagent 69.3%, adds carbendazim 87.5% using paclobutrazol 85.1% and using paclobutrazol Rice percentage establishment of seedling, is improved largely.
As shown in table 2, the rice paddy seed through invention Dressing does not lodge, and very light, percentage establishment of seedling is influenced by insect pest It is 90.7%, the water of carbendazim 84.5% is added compared to unused reagent 73.3%, using paclobutrazol 84.1% and using paclobutrazol Rice percentage establishment of seedling, is also improved largely.
Rice lodging-prevention increasing agent provided by the invention not only can reach ideal using effect in lodging-prevention, disease and insect resistance Fruit, adds the technical solution of carbendazim relative to traditional paclobutrazol or paclobutrazol, and different seed rice are not existed together using seed soaking or seed dressing Reason method, final seed rice emergence rate 90% or more, stablize by using effect.
As shown in table 1, the rice paddy seed through seed soaking of the present invention, does not lodge, and very light, emergence is influenced by insect pest Rate is 93.5%, compared to the rice seedling rate for adding carbendazim 92.2% using paclobutrazol 93.3% and using paclobutrazol, is had certain It improves.
As shown in table 2, the rice paddy seed through Dressing of the present invention, does not lodge, and very light, emergence is influenced by insect pest Rate is 92.5%, compared to the rice seedling rate for adding carbendazim 87.2% using paclobutrazol 88.3% and using paclobutrazol, is had substantially Degree improves.
According to the above experiments experiment result it is found that rice lodging-prevention increasing agent provided by the invention, passes through imidacloprid, multiple-effect Azoles and acetylsalicylic acid compounding, after carrying out proper treatment to seed using the rice lodging-prevention increasing agent, during seed growth, Plant not only can reach ideal using effect in lodging-prevention, disease and insect resistance, and bacterium is added relative to traditional paclobutrazol or paclobutrazol The technical solution of spirit, which, which has plant percentage establishment of seedling, largely improves, steady to plant planting percent effect It is fixed, there is highly significant to plant yield raising.Relative to the technical solution for using paclobutrazol or paclobutrazol to add carbendazim, Rice lodging-prevention increasing agent provided by the invention has more stable, efficiently lodging-prevention performance, and itself can improve plant production Amount.
It should be noted that the relational terms of such as " first " and " second " or the like be used merely to an entity or Operation is distinguished with another entity or operation, and without necessarily requiring or implying between these entities or operation, there are any This actual relationship or sequence.Moreover, the terms "include", "comprise" or its any other variant be intended to it is non-exclusive Property include but also include not having so that article or equipment including a series of elements include not only those elements The other element being expressly recited, or further include for elements inherent to such a process, method, article, or device.Do not having There is the element limited by sentence "including a ..." in the case of more limiting, it is not excluded that in the mistake for including the element There is also other identical elements in journey, method, article or equipment.
The above is only the specific implementation mode of the present invention, is made skilled artisans appreciate that or realizing this hair It is bright.Various modifications to these embodiments will be apparent to one skilled in the art, as defined herein General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one The widest range caused.

Claims (9)

1. a kind of rice lodging-prevention increasing agent, which is characterized in that active ingredient is according to quality in the rice lodging-prevention increasing agent Percentage is made of imidacloprid 8%-11.25%, paclobutrazol 0.02%-0.03% and acetylsalicylic acid 3%-5%;The rice Other compositions are 83.72%-88.93% according to mass percent in lodging-prevention increasing agent, and the rice lodging-prevention increasing agent is Type water dispersable granules.
2. rice lodging-prevention increasing agent according to claim 1, which is characterized in that the other compositions include wetting agent, Dispersant, interleaving agent and thickener.
3. rice lodging-prevention increasing agent according to claim 2, which is characterized in that the active ingredient is by mass percentage For:Imidacloprid 11.25%, paclobutrazol 0.03% and acetylsalicylic acid 5%;The other compositions are according to mass percent:Alkane Base naphthalene sulfonate 65%, lignosulfonates 17.72%, silica gel 0.5% and montmorillonite 0.5%.
4. a kind of rice lodging-prevention increasing agent application method, which is characterized in that increased using rice lodging-prevention described in claim 1 Production agent carries out seed soaking or Dressing to rice, wherein seed soaking step is:
(1) mixed liquor:By the rice lodging-prevention increasing agent and water according to 1:1000 mass ratio mixing, is uniformly mixing to obtain Mixed liquor, it is spare;
(2) it soaks seed for the first time:Seed rice is soaked with clear water, water consumption is that seed rice is all submerged, and first time seed soaking time is that 12-24 is small When;
(3) dew kind:By first time, the seed rice of seed soaking takes out from water, is rinsed well with clear water, puts and reveals 3-5 hours in air;
(4) second of seed rice seed soaking:Dew kind after the completion of, the mixed liquid dipping seed described in the first step, the mixed liquor with Seed quality ratio is 1:2, soaking time is 8-12 hours;
(5) it cleans:It after second of seed rice seed soaking, pulls seed out, is filtered dry, clear water is used in combination to rinse well, prepare sowing;
Dressing step is:
(1) it soaks seed for the first time:With Seed soaking, water consumption is to submerge seed as standard, seed soaking time 12-24 hours first time;
(2) dew kind:The seed rice soaked seed for the first time is taken out, is rinsed well with clear water, is revealed 3-5 hours;
(3) it soaks seed for second:With Seed soaking 8-12 hours;
(4) it dresses seed:Before sowing 1 is pressed with the rice lodging-prevention increasing agent and seed rice:The mass ratio of (300-1000) is filled Divide uniformly seed dressing.
5. rice lodging-prevention increasing agent application method according to claim 4, which is characterized in that the first time seed soaking, Seed soaking time is early rice 24 hours, late rice 12 hours, semilate rice or one season seed rice 14 hours;The dew kind, early spring low temperature, early seed rice Son heat preservation disposed within, semilate rice, late rice need not keep the temperature;Second of seed rice seed soaking, early rice, semilate rice and late rice seed soaking Time is identical.
6. rice lodging-prevention increasing agent application method according to claim 4, which is characterized in that anti-down using the rice Lying prostrate increasing agent, treated that rice growing amount is:Conventional Rice is that 3-4kg, hybrid paddy rice are 1.3-1.7kg per acre per acre.
7. rice lodging-prevention increasing agent application method according to claim 4, which is characterized in that anti-down using the rice Increasing agent treated rice paddy seed is lied prostrate, broadcasting sowing step by hand is:
(1) the processed rice paddy seed of rice lodging-prevention increasing agent will be used to be planted on the compartment face without bright water;
(2) rice paddy seed of gross mass 70% is first broadcast;
(3) it is filled a vacancy again with the rice paddy seed of gross mass 30% dilute;
(4) gently collapse paddy or lid last layer rapeseed hull after broadcasting;
(5) after planting 20-25 days progress fields look into seedling and fill the gaps with seedlings, and it is dilute to move close benefit.
8. rice lodging-prevention increasing agent application method according to claim 7, which is characterized in that when the rice lodging-prevention increases It is the hybrid rice seed period of the day from 11 p.m. to 1 a.m to produce agent treated rice paddy seed, educates preliminary seedling by rice paddy seed gross mass 10% within 7-8 days in advance.
9. rice lodging-prevention increasing agent application method according to claim 4, which is characterized in that in the rice lodging-prevention Before the kind of increasing agent treated rice paddy seed and seedling stage carries out chemical weed control, specifically,
(1) before sowing, 3-5 days after the leveling of rice field, a concentration of 60% butachlor emulsion 125-150g is used per acre, is watered 30- 40kg sprays, or mixes 5-8kg humidity fine earths using a concentration of 60% butachlor emulsion 125-150g per acre, and mixing is laggard Row is spread fertilizer over the fields;
(2) young plant weeding uses a concentration of 35% Le Jiding benzyl 80-100g per acre in one leaf of rice shoot wholeheartedly to one heart stage of two leaves, It is watered 30-40kg sprayings;Or in tri-leaf period, it is 35% field blueness wettable powder 40-50g to use active ingredient per acre, is watered 30kg sprays;
(3) field keeps shallow water when spraying, and water is fallen dry naturally after spray.
CN201810640924.6A 2018-06-21 2018-06-21 A kind of rice lodging-prevention increasing agent and its application method Pending CN108770862A (en)

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Application publication date: 20181109