CN101861870B - Cotton suspension seed coating agent - Google Patents
Cotton suspension seed coating agent Download PDFInfo
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- CN101861870B CN101861870B CN 201010194113 CN201010194113A CN101861870B CN 101861870 B CN101861870 B CN 101861870B CN 201010194113 CN201010194113 CN 201010194113 CN 201010194113 A CN201010194113 A CN 201010194113A CN 101861870 B CN101861870 B CN 101861870B
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Abstract
The invention discloses a cotton suspension seed coating agent, which consists of the following ingredients in percentage by weight: 8 to 16 percent of pentachloronitrobenzene, 8 to 16 percent of thiram, 4 to 8 percent of carbofuran, 1 to 2 percent of colloid dispersing agents, 0.8 to 1.2 percent of film forming agents, 1.2 to 1.8 percent of penetrating agents, 1.5 to 2 percent of emulsification moistening suspending agents and the balance water. The seed coating agent of the invention effectively improves the prevention and treatment rate on insect pests and plant diseases in the cotton seedling stage, has no side effect on the cotton seedling, and improves the seed germination percentage.
Description
Technical field
The present invention relates to a kind of suspension seed-coating agent, particularly a kind of cotton suspension seed coating agent.
Background technology
On producing, because the surface of the seed or carry disease germs in inside, insect in fungus in soil or the soil, muroid causes harm and birds are caused harm, or because the soil nutritional deficiency, the disease seedling usually appears behind the planting seed, scarce nest, the phenomenon of being short of seedling that weak seedling and insect pest etc. cause, the harm that the quarantine harmful organisms that causes great harm, particularly seed to carry to production causes is larger.For this reason, people have summed up many seed processing technologies in production practices, wherein soak seed and the application of the technology of dressing seed is caused harm to control sick worm in seedling stage and played a good role, but because seed soaking and seed dressing effect are single, the drug effect phase is short, medicament easily comes off and causes environmental pollution, and storage tolerance etc. is former thereby allow use and be subject to certain limitation after the seed treatment.Last century the '30s, Europe begins to carry out as bonding agent with flour, dextrin etc. the dressing research of crop seed, but make slow progress, to the sixties, the former Soviet Union at first proposes the concept of " planting the clothing agent ", namely bactericide, agrochemical active principle and auxiliary aid is processed special-purpose formulation by being processed to form seed pelleting.Its use has improved seed dressing and the existing disadvantage of soaking seed to a certain extent, has improved seed quality and scientific and technological content, prevents that effectively damage by disease and insect from forming large-area diffusion and trans-regional propagation with allocation and transportation, the popularization of seed.Along with the development of the Chemical Engineering Technologies such as macromolecular water-soluble compound, the research and development of novel film forming agent has further promoted the promotion and application of seed coating technology.The application of cenospecies clothing agent has improved seeding quality, has effectively solved " seedling is neat, seedling is complete, seedling strong " problem, economizes kind, economizes medicine, economizes fertile, saving of labor, has alleviated environmental pollution, has promoted simultaneously the development of corresponding seed quality criteria.
The kind clothing agent great majority of present domestic use are that good fortune seed dressing, little fertile 26% many first of the good fortune sead coating agent for cotton seeds of developing service centre's development of Xinjiang formation etc. are defended in 40% of the suspension seed-coating agent of good fortune more than 15%, the multiple clothing agent of 27% pyrrole good fortune and the production of the U.S. favourable incoming road chemical company.Wherein several clothing agent active ingredients are single mostly, and are single in the prevention and elimination of disease and pests effect; Though some for the Recompounded multielement type the prescription in each active ingredient effect be sterilization or insecticide, control efficiency is also single; The minority Recompounded multielement contains desinsection, bactericide simultaneously, and take the many suspension seed-coating agents of 27% pyrrole good fortune as example, this sead coating agent for cotton seeds main component is Imidacloprid, tmtd and carbendazim, and wherein insecticide is Imidacloprid, and bactericide is tmtd and carbendazim.Existing suspension seed-coating agent to the disease-controlling effects such as the cutworm of cotton in seedling stage, cotton thrips still can, but not good enough to the damping-off control effect of cotton in seedling stage, and cause that easily percentage of seedgermination reduces.Can damping off be the Major Diseases of cotton in seedling stage, effectively prevent and treat damping off the planting percent of cotton is had a significant impact.
Summary of the invention
The purpose of this invention is to provide a kind of cotton suspension seed coating agent.The agent of this kind clothing effectively raises the control rate to diseases and pests in cotton seedling, and cotton emerged has no side effect, and has improved percentage of seedgermination.
For foregoing invention purpose inventor following technical scheme has been proposed:
A kind of cotton suspension seed coating agent is made of the component of following weight percentage:
Pcnb 8%-16%;
Tmtd 8%-16%;
Carbofuran 4%-8%;
Colloid dispersant 1%-2%;
Film forming agent 0.8%-1.2%;
Bleeding agent 1.2%-1.8%;
Emulsified wetting suspending agent 1.5%-2%;
The water of surplus;
The polymer that described colloid dispersant is polyvinyl acetate and polyvinyl alcohol or the polymer of ethyl acrylate and vinyl acetate; Described film forming agent is that polyvinyl acetate and the polyvinyl resin of 6:4 forms by weight ratio; Described bleeding agent is the iso-octyl sodium sulfosuccinate; Described emulsified wetting suspending agent is phenethyl phenol polyoxy ethyl ether.Wherein the structural formula of the polymer of polyvinyl acetate and polyvinyl alcohol is
, the structural formula of the polymer of ethyl acrylate and vinyl acetate is
As preferably, the percentage by weight of described each component is:
Pcnb 10%;
Tmtd 10%;
Carbofuran 5%;
Colloid dispersant 1.5%;
Film forming agent 1%;
Bleeding agent 1.6%;
Emulsified wetting suspending agent 2%;
The water of surplus.
As optimal way, also include percentage by weight and be 5% antifreezing agent, described antifreezing agent is ethylene glycol; Percentage by weight is 1% diffusant, and described diffusant is naphthalene sulfonic acid formaldehyde polymer; Percentage by weight is 0.1% viscosity stabiliser, and described viscosity stabiliser is selected from one or both in butanols, the phenol; Percentage by weight is 0.05% defoamer, and described defoamer is tributyl phosphate; Percentage by weight is the warning colouration dyestuff of 0.5%-2%, and described warning colouration dyestuff is acid scarlet; Percentage by weight is the pH value conditioning agent of 1%-5%, and described pH value conditioning agent is selected from one or more in hydrochloric acid, sodium hydroxide and the sodium sulphate; Percentage by weight is the adhesive of 0.2%-0.3%, and described adhesive is methylcellulose.
Control rate and percentage of seedgermination for damage by disease and insect such as Effective Raise cotton in seedling stage damping offs, the inventor has carried out repeatedly exploring in the invention process, reach and an existing contrast of planting the clothing agent prescription for main diseases insect pests such as cotton in seedling stage damping off and cutworms, obtain the main component of new formulation by test, after determining formula components, determine effective component ratio by the impact of indoor virulence, germination rate and Seedling Quality:
One, plants the screening of clothing agent active ingredient and content thereof.
1, the screening of active ingredient kind: damping off and the main damage by disease and insect such as cutworm, aphid according to cotton in seedling stage are chosen its specific former medicine, and wherein insecticide is 97% carbofuran, and bactericide is 92% pcnb and 95% tmtd.
2, the screening of active constituent content: after determining kind of clothing agent active ingredient kind, the suspending agent that former medicine is mixed with variable concentrations is processed cotton seeds, by the impact test of indoor virulence, germination rate and Seedling Quality, determines the content of chemical agent.
Two, plant the screening of clothing agent aid.
1, the screening of dispersant: multiple dispersant is screened, choose the emulsifying dispersant that wherein shows preferably dispersed and coating uniformity.Applicable dispersant can be the polymer of polymer, ethyl acrylate and the vinyl acetate of polyvinyl acetate and polyvinyl alcohol.
2, the screening of film forming agent: film forming agent is the key assistant that allows kind of clothing agent have good film forming and plant the clothing fastness, chooses to show the preferably film forming agent of viscosity and heat storage, cold storage.Applicable film forming agent can be that weight ratio is polyvinyl acetate and the polyvinyl resin of 6:4.
3, the screening of other auxiliary agents: choose applicable bleeding agent, emulsified wetting suspending agent, diffusant, viscosity stabiliser, defoamer, warning colouration dyestuff, PH conditioning agent, adhesive, antifreezing agent etc.
Beneficial effect of the present invention is:
1, improves control to the main diseases insect pests such as damping off of cotton in seedling stage, improved planting percent;
2, the sustained drug time improves, and the protection period prolongs greatly, indirectly reduces drug use, environmental contamination reduction.
Embodiment
Disclosed all features in this specification, or the step in disclosed all methods or the process except mutually exclusive feature and/or step, all can make up by any way.
Disclosed arbitrary feature in this specification (comprising any accessory claim, summary and accompanying drawing) is unless special narration all can be replaced by other equivalences or the alternative features with similar purpose.That is, unless special narration, each feature is an example in a series of equivalences or the similar characteristics.
Embodiment 1: a kind of cotton suspension seed coating agent is made of following component:
Pcnb 100 grams;
Tmtd 100 grams;
Carbofuran 50 grams;
Colloid dispersant 15 grams;
Film forming agent 10 grams;
Bleeding agent 16 grams;
Emulsified wetting suspending agent 20 grams;
Water 1000 grams;
The polymer that described colloid dispersant is polyvinyl acetate and polyvinyl alcohol or the polymer of ethyl acrylate and vinyl acetate; Described film forming agent is that polyvinyl acetate and the polyvinyl resin of 6:4 forms by weight ratio; Described bleeding agent is the iso-octyl sodium sulfosuccinate; Described emulsified wetting suspending agent is phenethyl phenol polyoxy ethyl ether.
As preferably, also include percentage by weight and be 5% antifreeze glycol; Percentage by weight is 1% diffusant naphthalene sulfonic acid formaldehyde polymer; Percentage by weight be 0.1% viscosity stabiliser butanols; Percentage by weight is 0.05% defoamer tributyl phosphate; Percentage by weight is 1% warning colouration dyestuff acid scarlet; Percentage by weight is 3% pH value conditioning agent, and described pH value conditioning agent is selected from one or more in hydrochloric acid, sodium hydroxide and the sodium sulphate; Percentage by weight is 0.2% adhesive methylcellulose.
Its production method is: 60%～70% of the water yield adds in the dosing chamber in will filling a prescription, and opens dosing chamber and stirs, and adds water-soluble substances, makes its whole dissolvings, adds emulsifier again and is uniformly dispersed.With the coarse granule solid material more than solid particle size 100 orders, drop into dosing chamber after adding the rough lapping of water wet method secondary.Again rest materials is all added in the dosing chamber.After all materials are uniformly dispersed substantially in dosing chamber, open sand mill, material recirculation system sand in dosing chamber and circulating pool is milled to few 4 times.Carry out the pH value before the discharging and regulate, observe range of viscosities, rear discharging meets the requirements.
Embodiment 2: a kind of cotton suspension seed coating agent is made of the component of following weight percentage:
Pcnb 80 grams;
Tmtd 160 grams;
Carbofuran 40 grams;
Colloid dispersant 10 grams;
Film forming agent 12 grams;
Bleeding agent 12 grams;
Emulsified wetting suspending agent 15 grams;
Water 900 grams;
The polymer that described colloid dispersant is polyvinyl acetate and polyvinyl alcohol or the polymer of ethyl acrylate and vinyl acetate; Described film forming agent is that polyvinyl acetate and the polyvinyl resin of 6:4 forms by weight ratio; Described bleeding agent is the iso-octyl sodium sulfosuccinate; Described emulsified wetting suspending agent is phenethyl phenol polyoxy ethyl ether.
As preferably, also include percentage by weight and be 5% antifreeze glycol; Percentage by weight is 1% diffusant naphthalene sulfonic acid formaldehyde polymer; Percentage by weight be 0.1% viscosity stabiliser butanols; Percentage by weight is 0.05% defoamer tributyl phosphate; Percentage by weight is 0.5% warning colouration dyestuff acid scarlet; Percentage by weight is 1% pH value conditioning agent, and described pH value conditioning agent is selected from one or more in hydrochloric acid, sodium hydroxide and the sodium sulphate; Percentage by weight is 0.3% adhesive methylcellulose.
Its production method is with embodiment 1.
Embodiment 3: a kind of cotton suspension seed coating agent is made of the component of following weight percentage:
Pcnb 160 grams;
Tmtd 80 grams;
Carbofuran 80 grams;
Colloid dispersant 20 grams;
Film forming agent 8 grams;
Bleeding agent 18 gram %;
Emulsified wetting suspending agent 20 grams;
Water 1100 grams;
The polymer that described colloid dispersant is polyvinyl acetate and polyvinyl alcohol or the polymer of ethyl acrylate and vinyl acetate; Described film forming agent is that polyvinyl acetate and the polyvinyl resin of 6:4 forms by weight ratio; Described bleeding agent is the iso-octyl sodium sulfosuccinate; Described emulsified wetting suspending agent is phenethyl phenol polyoxy ethyl ether.
As preferably, also include percentage by weight and be 5% antifreeze glycol; Percentage by weight is 1% diffusant naphthalene sulfonic acid formaldehyde polymer; Percentage by weight be 0.1% viscosity stabiliser butanols; Percentage by weight is 0.05% defoamer tributyl phosphate; Percentage by weight is 2% warning colouration dyestuff acid scarlet; Percentage by weight is 5% pH value conditioning agent, and described pH value conditioning agent is selected from one or more in hydrochloric acid, sodium hydroxide and the sodium sulphate; Percentage by weight is 0.2% adhesive methylcellulose.
Its production method is with embodiment 1.
We have carried out control diseases and pests in cotton seedling field trial to the present invention (embodiment 1) suspension seed-coating agent, and concrete condition is as follows:
1, trial crops and object: trial crops is cotton, and kind is Xinluzao No.7; Controlling object is cotton seedling blight, cotten aphid, cotton thrips.
2, overview experimental field: experimental field be located at five-pointed star two teams of outskirts of a town, Changji City office, cotton's seeding time is April 17, and seeding quantity is 6 kg/acres.Three of experimental field are the cotton field, and one side is the forest belt.
3, meteorology and soil information: experimental field the soil types of soil is sandy loam, and soil fertility is medium, and the content of organic matter is 1.3%, pH value 7.5.At whole duration of test precipitation once, blow hard 2 times twice synoptic process mercury dropped to 5 ℃.
4, experiment is processed:
Test medicine: the present invention plants the clothing agent, the 1:50 dressing.
Contrast medicament: 20% pcnb pulvis, 2% seed dressing; 40% thiram wettable powder, 0.3% seed dressing; 3% carbofuran granule trench digging spreads fertilizer over the fields 2.5Kg/ mu.
Blank: not dispenser.
The residential quarter arranges: every residential quarter is 30 ㎡, and every processing repeats the experimental plot randomized arrangement 4 times.
Application method and time: by above-mentioned medicament and dosage, April 16 cotton seed is carried out dressing and seed dressing, and carried out artificial dibbling April 17.In addition, by different processing trench diggings, evenly 100 seeds of program request are investigated and are put down in writing the number of all emerging between every cell row.
The investigation of investigation method: a, emergence rate: whole numbers of emerging of investigating respectively each treatment region after emerging on (May 7).B, vermins-proof effect investigation: 5 samplings are adopted in every residential quarter, every fixed 20 strains, and complete stool investigation borer population alive and killed cotton seedling number calculate cotton seedling rate of damage and control efficiency.Instituted an inquiry from May 8, every investigation in ten days once, investigate altogether three times, each processes investigation cotten aphid, cotton thrips control efficiency.C, protection effect investigation: random group of every residential quarter is removed the cotton seedling of 100 strains and is investigated record state of an illness rank and seedling diseases kind.Control time since May 11, investigation in per three days is once investigated three times altogether.
Experimental result is as follows: as shown in table 1, it is 95% that the present invention plants the average emergence rate of clothing agent; The average emergence rate of contrast medicament is respectively 94.5%, 95.0%, 94.5%; The average emergence rate 96.5% of blank.Compare by analysis, the present invention plants the clothing agent and processes cotton emerged and have no adverse effects.
Table 1 test of pesticide effectiveness emergence rate of the present invention investigation statistics table
As shown in table 2, it is 87.53% that the average preventive effect that the clothing agent processes disease in cotton seedling stage is planted in for the first time investigation, the present invention; Contrast medicament 20% pcnb, the average preventive effect of 40% tmtd are respectively 84.73%, 76.58%; Compare by analysis, each is processed and repeats between the preventive effect without significant difference.Experimental investigation for the second time, the average preventive effect of the present invention is 91.65%, the average preventive effect of contrast medicament is respectively 87.45%, 82.63%; Comparison process and repeating between the preventive effect without significant difference by analysis.For the third time investigation, the average preventive effect of the present invention is 97.68%, contrast medicament average preventive effect is respectively 88.10%, 84.45%, by analysis comparison process and repeating between the preventive effect without significant difference.
Table 2 the present invention is to the control efficiency of disease in cotton seedling stage
We measure the co-toxicity of cotton seedling blight suspension seed-coating agent of the present invention, and concrete condition is as follows:
One, reagent agent:
1, suspension seed-coating agent of the present invention; 2,50% thiram wettable powder; 3,40% pcnb pulvis; 4,3% carbofuran granule.
Two, test method:
The damping off old complaint that gathers cotton plants is carried out the separation of rhizoctonia solani, cultivate and purification, adopt mixed medicine method to carry out each medicament to the toxicity test of cotton rhizoctonia solani, test medicine is established six concentration and is processed (37.5ppm, 75ppm, 150ppm, 300ppm, 600ppm, 1200ppm), repeat four times, if blank, 7 days investigation colony diameters, obtain fungistatic effect, ask the virulence regression equation of reagent agent with concentration logarithm value (X) and fungistatic effect probability value (Y), adaptive test through X2, calculate medicament to concentration EC50 value in the inhibition of cotton rhizoctonia solani, take the pcnb pulvis as standard control, calculate actual measurement toxicity index value (ATI) and theoretical toxicity index (TTI), calculate co-toxicity coefficient (CTC) according to actual measurement and theoretical toxicity index again, computing formula is as follows: the actual measurement virulence is tested (ATI)=alone EC50 value/use with EC50 value * 100;
Theoretical toxicity index (TTI)=A toxicity index * A percentage+B toxicity index * B percentage in mixture in mixture, co-toxicity coefficient (CTC)=actual measurement toxicity index (A+B)/theoretical toxicity index (A+B) * 100;
Estimate the virulence size of each medicament with the size of co-toxicity coefficient (CTC) value, the CTC value was synergistic effect greater than 120 o'clock, and CTC value 100-120 is summation action, and the CTC value was antagonism less than 100 o'clock.
Three, result of the test:
Shown in following table 3-6, each chemicals treatment to the virulence regression equation of cotton seedling blight is:
The present invention: y=3.5501+0.7634x, concentration EC5079.30ppm in the inhibition;
40% pcnb: y=3.3527+0.8759x, concentration is EC5098.75ppm in the inhibition;
50% tmtd: y=3.4087+0.7701x, concentration EC50116.51ppm in the inhibition;
3% carbofuran is to cotton rhizoctonia solani unrestraint effect.
Can draw from result of the test: the present invention plants the clothing agent has obvious synergistic effect to the inhibitory action of cotton rhizoctonia solani, and CTC reaches 168.51, and control efficiency is better.
Table 3 the present invention is to the cotton rhizoctonia solani Toxicity Determination
Wherein, y=3.5501+0.7634x r=0.9983 EC
5079.30ppm data are four repetition mean values in the table.
Table 4 50% tmtd is to the cotton rhizoctonia solani Toxicity Determination
Wherein, y=3.4087+0.7701x r=0.9998 EC
50116.51ppm data are four repetition mean values in the table.
Table 5 40% pcnb is to the cotton rhizoctonia solani Toxicity Determination
Wherein, y=3.3527+0.8759x r=0.9985 EC
5098.75ppm above data are four repetition mean values.
Each medicament of table 6 is to cotton rhizoctonia solani toxicity index and co-toxicity coefficient (CTC)
The present invention is not limited to aforesaid embodiment.The present invention expands to any new feature or any new combination that discloses in this manual, and the arbitrary new method that discloses or step or any new combination of process.
Claims (8)
1. a cotton suspension seed coating agent is characterized in that, is made of the component of following weight percentage:
The polymer that described colloid dispersant is polyvinyl acetate and polyvinyl alcohol or the polymer of ethyl acrylate and vinyl acetate; Described film forming agent is that polyvinyl acetate and the polyvinyl resin of 6:4 forms by weight ratio; Described bleeding agent is the iso-octyl sodium sulfosuccinate; Described emulsified wetting suspending agent is phenethyl phenol polyoxy ethyl ether.
2. a kind of cotton suspension seed coating agent as claimed in claim 1 is characterized in that: also include percentage by weight and be 5% antifreezing agent, described antifreezing agent is ethylene glycol.
3. a kind of cotton suspension seed coating agent as claimed in claim 1 is characterized in that: also include percentage by weight and be 1% diffusant, described diffusant is naphthalene sulfonic acid formaldehyde polymer.
4. a kind of cotton suspension seed coating agent as claimed in claim 1 is characterized in that: also include percentage by weight and be 0.1% viscosity stabiliser, described viscosity stabiliser is selected from one or both in butanols, the phenol.
5. a kind of cotton suspension seed coating agent as claimed in claim 1 is characterized in that: also include percentage by weight and be 0.05% defoamer, described defoamer is tributyl phosphate.
6. a kind of cotton suspension seed coating agent as claimed in claim 1, it is characterized in that: also including percentage by weight is the warning colouration dyestuff of 0.5%-2%, and described warning colouration dyestuff is acid scarlet.
7. a kind of cotton suspension seed coating agent as claimed in claim 1, it is characterized in that: also including percentage by weight is the pH value conditioning agent of 1%-5%, and described pH value conditioning agent is selected from one or more in hydrochloric acid, sodium hydroxide and the sodium sulphate.
8. a kind of cotton suspension seed coating agent as claimed in claim 1, it is characterized in that: also include the adhesive that percentage by weight is 0.2%-0.3%, described adhesive is methylcellulose.
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| CN 201010194113 CN101861870B (en) | 2010-06-08 | 2010-06-08 | Cotton suspension seed coating agent |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102726434A (en) * | 2011-03-31 | 2012-10-17 | 山东海利尔化工有限公司 | Multi-effect flowable concentrate for seed coating |
| CN103392696B (en) * | 2013-06-30 | 2016-08-10 | 广东中迅农科股份有限公司 | The slowly-released film forming agent that a kind of suspension seed-coating agent is special |
| CN106106536A (en) * | 2016-06-24 | 2016-11-16 | 山东棉花研究中心 | A kind of high-efficiency cotton flower seed coating materials |
| CN107027472A (en) * | 2017-03-24 | 2017-08-11 | 合肥云都棉花有限公司 | A kind of strong cotton cultivation method of resistance against diseases |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101032248A (en) * | 2006-04-24 | 2007-09-12 | 海南神农大丰种业科技股份有限公司 | Hybrid rice seed coating agents and method |
| CN101099469A (en) * | 2006-07-03 | 2008-01-09 | 新疆农业科学院植物保护研究所 | Seed coating agent for preventing diseases and pests in cotton seedling and its preparation method |
| CN101248790A (en) * | 2008-03-28 | 2008-08-27 | 西北农林科技大学 | Seed coating agent for cucumbers |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101032248A (en) * | 2006-04-24 | 2007-09-12 | 海南神农大丰种业科技股份有限公司 | Hybrid rice seed coating agents and method |
| CN101099469A (en) * | 2006-07-03 | 2008-01-09 | 新疆农业科学院植物保护研究所 | Seed coating agent for preventing diseases and pests in cotton seedling and its preparation method |
| CN101248790A (en) * | 2008-03-28 | 2008-08-27 | 西北农林科技大学 | Seed coating agent for cucumbers |
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