CN118648612A - Rice seed treating agent and preparation method thereof - Google Patents
Rice seed treating agent and preparation method thereof Download PDFInfo
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- CN118648612A CN118648612A CN202410691217.5A CN202410691217A CN118648612A CN 118648612 A CN118648612 A CN 118648612A CN 202410691217 A CN202410691217 A CN 202410691217A CN 118648612 A CN118648612 A CN 118648612A
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- 235000007164 Oryza sativa Nutrition 0.000 title claims abstract description 108
- 235000009566 rice Nutrition 0.000 title claims abstract description 108
- 238000002360 preparation method Methods 0.000 title abstract description 20
- 240000007594 Oryza sativa Species 0.000 title 1
- 241000209094 Oryza Species 0.000 claims abstract description 108
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 62
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 61
- IRUJZVNXZWPBMU-UHFFFAOYSA-N cartap Chemical compound NC(=O)SCC(N(C)C)CSC(N)=O IRUJZVNXZWPBMU-UHFFFAOYSA-N 0.000 claims abstract description 39
- OICGFSUWXCJLCO-UHFFFAOYSA-N 1-ethylsulfonylsulfanylethane Chemical compound CCSS(=O)(=O)CC OICGFSUWXCJLCO-UHFFFAOYSA-N 0.000 claims abstract description 37
- WKBPZYKAUNRMKP-UHFFFAOYSA-N 1-[2-(2,4-dichlorophenyl)pentyl]1,2,4-triazole Chemical compound C=1C=C(Cl)C=C(Cl)C=1C(CCC)CN1C=NC=N1 WKBPZYKAUNRMKP-UHFFFAOYSA-N 0.000 claims abstract description 35
- 239000005813 Penconazole Substances 0.000 claims abstract description 35
- 229910052742 iron Inorganic materials 0.000 claims abstract description 31
- SURLGNKAQXKNSP-DBLYXWCISA-N chlorin Chemical compound C\1=C/2\N/C(=C\C3=N/C(=C\C=4NC(/C=C\5/C=CC/1=N/5)=CC=4)/C=C3)/CC\2 SURLGNKAQXKNSP-DBLYXWCISA-N 0.000 claims abstract description 29
- 239000013522 chelant Substances 0.000 claims abstract description 28
- 239000000945 filler Substances 0.000 claims abstract description 20
- 239000004480 active ingredient Substances 0.000 claims abstract description 9
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- 235000012211 aluminium silicate Nutrition 0.000 claims description 14
- 239000002270 dispersing agent Substances 0.000 claims description 14
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical group O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims description 14
- 239000003381 stabilizer Substances 0.000 claims description 14
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- 230000000149 penetrating effect Effects 0.000 claims description 12
- LWEAHXKXKDCSIE-UHFFFAOYSA-M 2,3-di(propan-2-yl)naphthalene-1-sulfonate Chemical group C1=CC=C2C(S([O-])(=O)=O)=C(C(C)C)C(C(C)C)=CC2=C1 LWEAHXKXKDCSIE-UHFFFAOYSA-M 0.000 claims description 8
- FWVCSXWHVOOTFJ-UHFFFAOYSA-N 1-(2-chloroethylsulfanyl)-2-[2-(2-chloroethylsulfanyl)ethoxy]ethane Chemical compound ClCCSCCOCCSCCCl FWVCSXWHVOOTFJ-UHFFFAOYSA-N 0.000 claims description 7
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- 210000004027 cell Anatomy 0.000 description 4
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- PZBPKYOVPCNPJY-UHFFFAOYSA-N 1-[2-(allyloxy)-2-(2,4-dichlorophenyl)ethyl]imidazole Chemical compound ClC1=CC(Cl)=CC=C1C(OCC=C)CN1C=NC=C1 PZBPKYOVPCNPJY-UHFFFAOYSA-N 0.000 description 3
- MNHVNIJQQRJYDH-UHFFFAOYSA-N 2-[2-(1-chlorocyclopropyl)-3-(2-chlorophenyl)-2-hydroxypropyl]-1,2-dihydro-1,2,4-triazole-3-thione Chemical compound N1=CNC(=S)N1CC(C1(Cl)CC1)(O)CC1=CC=CC=C1Cl MNHVNIJQQRJYDH-UHFFFAOYSA-N 0.000 description 3
- 239000005795 Imazalil Substances 0.000 description 3
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- SYJGKVOENHZYMQ-UHFFFAOYSA-N Penoxsulam Chemical compound N1=C2C(OC)=CN=C(OC)N2N=C1NS(=O)(=O)C1=C(OCC(F)F)C=CC=C1C(F)(F)F SYJGKVOENHZYMQ-UHFFFAOYSA-N 0.000 description 3
- 239000005825 Prothioconazole Substances 0.000 description 3
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- JERZEQUMJNCPRJ-UHFFFAOYSA-N 2-[4-(4-chlorophenoxy)-2-(trifluoromethyl)phenyl]-1-(1H-1,2,4-triazol-1-yl)propan-2-ol Chemical compound C=1C=C(OC=2C=CC(Cl)=CC=2)C=C(C(F)(F)F)C=1C(O)(C)CN1C=NC=N1 JERZEQUMJNCPRJ-UHFFFAOYSA-N 0.000 description 2
- UHPMCKVQTMMPCG-UHFFFAOYSA-N 5,8-dihydroxy-2-methoxy-6-methyl-7-(2-oxopropyl)naphthalene-1,4-dione Chemical compound CC1=C(CC(C)=O)C(O)=C2C(=O)C(OC)=CC(=O)C2=C1O UHPMCKVQTMMPCG-UHFFFAOYSA-N 0.000 description 2
- 241000223218 Fusarium Species 0.000 description 2
- 229930191978 Gibberellin Natural products 0.000 description 2
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- 230000000855 fungicidal effect Effects 0.000 description 2
- 239000000417 fungicide Substances 0.000 description 2
- IXORZMNAPKEEDV-UHFFFAOYSA-N gibberellic acid GA3 Natural products OC(=O)C1C2(C3)CC(=C)C3(O)CCC2C2(C=CC3O)C1C3(C)C(=O)O2 IXORZMNAPKEEDV-UHFFFAOYSA-N 0.000 description 2
- 239000003448 gibberellin Substances 0.000 description 2
- DSOOGBGKEWZRIH-UHFFFAOYSA-N nereistoxin Chemical compound CN(C)C1CSSC1 DSOOGBGKEWZRIH-UHFFFAOYSA-N 0.000 description 2
- 230000029553 photosynthesis Effects 0.000 description 2
- 238000010672 photosynthesis Methods 0.000 description 2
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- 240000002234 Allium sativum Species 0.000 description 1
- 241001530056 Athelia rolfsii Species 0.000 description 1
- 241000233866 Fungi Species 0.000 description 1
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical group CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 1
- GWACDWZETGHFGS-UHFFFAOYSA-N N1N=NC=C1.CC(C)O Chemical compound N1N=NC=C1.CC(C)O GWACDWZETGHFGS-UHFFFAOYSA-N 0.000 description 1
- 208000012868 Overgrowth Diseases 0.000 description 1
- 241000918585 Pythium aphanidermatum Species 0.000 description 1
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- GOENIMGKWNZVDA-OAMCMWGQSA-N Spinetoram Chemical compound CO[C@@H]1[C@H](OCC)[C@@H](OC)[C@H](C)O[C@H]1OC1C[C@H]2[C@@H]3C=C4C(=O)[C@H](C)[C@@H](O[C@@H]5O[C@H](C)[C@H](CC5)N(C)C)CCC[C@H](CC)OC(=O)CC4[C@@H]3CC[C@@H]2C1 GOENIMGKWNZVDA-OAMCMWGQSA-N 0.000 description 1
- 229930182558 Sterol Natural products 0.000 description 1
- 241001052560 Thallis Species 0.000 description 1
- 239000005858 Triflumizole Substances 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 241000082085 Verticillium <Phyllachorales> Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
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- YIAJIHKPSCGWLV-UHFFFAOYSA-N ethoxy-ethyl-oxo-sulfanylidene-$l^{6}-sulfane Chemical compound CCOS(=O)(=S)CC YIAJIHKPSCGWLV-UHFFFAOYSA-N 0.000 description 1
- 230000002538 fungal effect Effects 0.000 description 1
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- HSMVPDGQOIQYSR-KGENOOAVSA-N triflumizole Chemical compound C1=CN=CN1C(/COCCC)=N/C1=CC=C(Cl)C=C1C(F)(F)F HSMVPDGQOIQYSR-KGENOOAVSA-N 0.000 description 1
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- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses a rice seed treating agent and a preparation method thereof, belonging to the technical field of pesticide production, wherein the rice seed treating agent consists of active ingredients, an auxiliary agent and a filler, the active ingredients comprise penconazole, ethylicin, cartap and chlorin iron chelate, and the preparation method of the rice seed treating agent comprises the following steps: mixing the effective components, the auxiliary agent and the filler uniformly according to the mass percentage, crushing, and sieving with a 325-mesh sieve to obtain fine powder, namely the rice seed treating agent. The compounding of the penconazole, the ethylicin and the cartap in the treating agent plays roles of multiply inhibiting bacteria and delaying drug resistance; the introduction of the chlorin iron chelate plays a role in promoting germination, inhibiting bakanae disease of rice and reducing and enhancing efficiency. The invention develops a new formula of the rice seed treating agent, provides a new scheme for effectively preventing and controlling the rice bakanae disease damage, and further improves the preventing and controlling effect on the rice bakanae disease.
Description
Technical Field
The invention belongs to the technical field of pesticide production, and particularly relates to a rice seed treating agent and a preparation method thereof.
Background
The bakanae disease of rice is also called overgrowth disease, and is a systematic infection disease which damages the overground part of rice and occurs in the main rice areas of the whole country. The disease can be generated from the seedling stage to the heading stage, the tillering rate of the rice is obviously reduced, the yield is further influenced, the yield of the rice is generally reduced by 10% -20%, and the yield can be reduced by more than 50% when serious.
The invention patent of the issued publication number CN111758736B discloses a rice seed treating agent containing prothioconazole, imazalil and cartap and application thereof, wherein the treating agent with the active ingredients of prothioconazole, imazalil and cartap is used for treating rice seeds, and aims to prevent and treat bakanae disease of rice or/and rice seedling disease or/and rice spinetoram disease, reduce the using amount of pesticides and realize dual functions of sterilization and disinsection.
Researches show that the prior art formula is used for soaking seeds to prevent and treat bakanae disease of rice for a long time, and pathogenic bacteria are easy to generate drug resistance, so that the invention develops a new formula of the rice seed treatment agent, provides a new scheme for effectively preventing and controlling the bakanae disease of rice, and further improves the prevention and control effect on bakanae disease of rice.
Disclosure of Invention
The invention aims to provide a rice seed treating agent and a preparation method thereof, which further improve the prevention and control effects on bakanae disease of rice.
The aim of the invention can be achieved by the following technical scheme:
The rice seed treating agent consists of active ingredients, an auxiliary agent and a filler, wherein the active ingredients comprise penconazole, ethylicin and cartap; the mass ratio of the penconazole to the ethylicin to the cartap is 0.5-5.0:0.5-5.0:1-2.
Further, the active ingredient also comprises a chlorin iron chelate, and the chemical structural formula of the chlorin iron chelate is shown as follows:
Wherein, x=ococh 3, OH.
Further, the mass ratio of the penconazole to the ethylicin to the cartap to the iron chlorin chelate is 0.5-5.0:0.5-5.0:1-2:0.01-0.5.
Further, the auxiliary agents include dispersing agents, wetting agents, penetrating agents and stabilizing agents.
Further, the filler is kaolin.
Further, the dispersing agent is one of lignin sulfonic acid and sodium polycarboxylate; the wetting agent is nekal; the penetrating agent is a rapid penetrating agent T; the stabilizer is glycol.
Further, the dosage form of the rice seed treating agent is wettable powder.
Further, the wettable powder comprises the following components in percentage by mass: 0.5 to 5.0 percent of penconazole, 0.5 to 5.0 percent of ethylicin, 1 to 2 percent of cartap, 5 to 17 percent of dispersing agent, 5 to 15 percent of wetting agent, 0.5 to 2.0 percent of penetrating agent, 0.5 to 1.0 percent of stabilizing agent and 100 percent of filling material.
Further, the wettable powder comprises the following components in percentage by mass: 0.5 to 5.0 percent of penconazole, 0.5 to 5.0 percent of ethylicin, 1 to 2 percent of cartap, 0.01 to 0.5 percent of chlorin iron chelate, 5 to 17 percent of dispersing agent, 5 to 15 percent of wetting agent, 0.5 to 2.0 percent of penetrating agent, 0.5 to 1.0 percent of stabilizing agent and 100 percent of filling material.
Further, the preparation method of the rice seed treatment agent comprises the following steps:
Mixing the effective components, the auxiliary agent and the filler uniformly according to the mass percentage, crushing, and sieving with a 325-mesh sieve to obtain fine powder, namely the rice seed treating agent.
The rice seed treating agent comprises the following active ingredients:
The penconazole (mefentrifluconazole) is a novel isopropanol triazole fungicide developed by Basiff company, and the commodity name is Revysol or Ruifeng. The bactericide belongs to a C14-demethyl inhibitor (DMI) in sterol biosynthesis, and inhibits germ cell growth by preventing ergosterol biosynthesis and causing cell membrane collapse. The isopropyl alcohol group in the penconazole molecule has a flexible space structure, and can be tightly combined with a target site, so that an excellent control effect is achieved. The penconazole has systemic conductivity, has the effects of preventing, treating and eradicating diseases, and has good quick-acting property and long lasting period. In the prior art, the invention patent with the publication number of CN108541711A describes that the penconazole is used for preventing and treating rice sheath blight; the invention patent with publication number CN115836682A describes the use of penconazole for controlling rice sheath blight and false smut.
Ethylicin (ethylicin) is a botanical fungicide extracted from garlic and has the chemical name ethyl ethylthiosulfonate. The bactericide has a wide bactericidal spectrum, and can effectively prevent and treat various diseases caused by fungi and bacteria, such as fusarium wilt, verticillium wilt, damping off, rice blast, bacterial leaf blight, bakanae disease, seedling rot, banded sclerotial blight and the like.
Cartap (cartap) is a nereistoxin insecticide, has stomach toxicity, contact killing and internal absorption effects, and also has a certain egg killing effect. The pest killing is quick, the residual effect period is long, and the broad-spectrum pest killing is realized.
The chlorin iron chelate is a plant growth regulator and consists of chlorin and iron ions, and the compound can enhance photosynthesis, stress resistance and yield of crops by various modes of promoting plant root growth, improving crop system resistance and the like.
Compared with the prior art, the invention has the beneficial effects that:
The invention provides a rice seed treating agent, wherein the effective components comprise penconazole, ethylicin and cartap, and the compounding of the penconazole, the ethylicin and the cartap has the following advantages:
(1) Multiple bacteriostasis: in the process of preventing and controlling bakanae disease of rice, the penoxsulam inhibits the growth of Fusarium gracile fungal cells by preventing the biosynthesis of ergosterol and causing cell membrane collapse; ethylicin reacts with substances containing-SH groups in molecules in pathogens through disulfide groups in a molecular structure, so that normal metabolism of fusarium graminearum thalli is inhibited, propagation of fusarium graminearum is rapidly inhibited, and fusarium graminearum is finally killed; cartap can be used for preventing and treating various rice diseases. The triflumizole, the ethylicin and the cartap are compounded to play a role in synergy.
(2) Delay drug resistance: the invention provides a novel rice seed treatment agent formula, which can effectively treat the drug resistance of fusarium graminearum to the existing prothioconazole, imazalil and other medicaments, and provides a novel formula scheme for effectively preventing and controlling the damage of rice bakanae disease.
The invention further provides a rice seed treatment agent, wherein the active ingredients comprise penconazole, ethylicin, cartap and chlorin iron chelate, and the introduction of the chlorin iron chelate has the following advantages:
(1) Promoting germination: the chlorin iron chelate can provide photosynthesis improvement and promote sprouting and root growth of rice seeds.
(2) Inhibiting bakanae disease of rice: the main causative cause of the bakanae disease of the rice is that fusarium graminearum is parasitic or attached to the seeds, gibberellin produced can stimulate the rice plants to grow excessively, tillers are less or not tillered and cannot be firm, the chlorin iron can regulate and control a plant hormone signal path in the growth process of the rice seeds, and particularly, the chlorin iron can improve the prevention and control effects of the rice seeds on the bakanae disease of the rice by regulating and controlling the transportation of gibberellin.
(3) Reduction and synergy: the dihydroporphin iron chelate is compounded with the penoxsulam, the ethylicin and the cartap, the synergism and the addition of the compound agent are fully exerted, the prevention and control effects of rice seeds on the bakanae disease of rice are further improved, the influence of the bakanae disease of rice on the growth of the rice seeds is reduced, and meanwhile, after the dihydroporphin iron chelate is introduced, the dosage of the penoxsulam, the ethylicin and the cartap is reduced, the prevention and control effects of the rice seeds on the bakanae disease of rice can be still ensured, and the promotion of pesticide decrement synergism is facilitated.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
A rice seed treating agent comprises the following components in percentage by mass: 0.5% of penconazole, 0.5% of ethylicin, 1% of cartap, 15% of dispersant lignin sulfonic acid, 10% of wetting agent nekal, 2.0% of quick penetrating agent T, 1.0% of stabilizing agent glycol and 100% of filler kaolin, wherein the raw material of penconazole (97%) is purchased from basf European company; ethylicin stock (98%) was purchased from hubei rabepresentate chemical company, inc; cartap (98%) was purchased from the chemical company of tiger, guangzhou.
The preparation method of the rice seed treating agent comprises the following steps: mixing the above components by mass percent uniformly, crushing, and sieving with a 325-mesh sieve to obtain fine powder, namely the rice seed treating agent.
Example 2
A rice seed treating agent comprises the following components in percentage by mass: 3.0% of penconazole, 3.0% of ethylicin, 1% of cartap, 17% of dispersant lignin sulfonic acid, 15% of wetting agent nekal, 1.0% of quick penetration agent T, 1.0% of stabilizer glycol and 100% of filler kaolin, wherein the raw penconazole (97%) is purchased from basf European company; ethylicin stock (98%) was purchased from hubei rabepresentate chemical company, inc; cartap (98%) was purchased from the chemical company of tiger, guangzhou.
The preparation method of the rice seed treating agent comprises the following steps: mixing the above components by mass percent uniformly, crushing, and sieving with a 325-mesh sieve to obtain fine powder, namely the rice seed treating agent.
Example 3
A rice seed treating agent comprises the following components in percentage by mass: 5.0% of penconazole, 5.0% of ethylicin, 2% of cartap, 5% of dispersing agent sodium polycarboxylate, 5% of wetting agent nekal, 0.5% of quick-penetration agent T, 0.5% of stabilizing agent ethylene glycol and 100% of filler kaolin, wherein the raw penconazole (97%) is purchased from basf European company; ethylicin stock (98%) was purchased from hubei rabepresentate chemical company, inc; cartap (98%) was purchased from the chemical company of tiger, guangzhou.
The preparation method of the rice seed treating agent comprises the following steps: mixing the above components by mass percent uniformly, crushing, and sieving with a 325-mesh sieve to obtain fine powder, namely the rice seed treating agent.
Example 4
A rice seed treating agent comprises the following components in percentage by mass: 0.5% of penconazole, 0.5% of ethylicin, 1% of cartap, 0.01% of chlorin iron chelate, 15% of dispersant lignin sulfonic acid, 10% of wetting agent nekal, 2.0% of quick penetrating agent T, 1.0% of stabilizing agent glycol and 100% of filler kaolin, wherein the raw penconazole (97%) is purchased from basf European company; ethylicin stock (98%) was purchased from hubei rabepresentate chemical company, inc; cartap (98%) was purchased from the chemical company of tiger, guangzhou. Wherein, the chlorin iron chelate is purchased from Nanjing Baite bioengineering Co., ltd, and the chemical structural formula of the chlorin iron chelate is shown as follows:
wherein x=ococh 3.
The preparation method of the rice seed treating agent comprises the following steps: mixing the above components by mass percent uniformly, crushing, and sieving with a 325-mesh sieve to obtain fine powder, namely the rice seed treating agent.
Example 5
A rice seed treating agent comprises the following components in percentage by mass: 3.0% of penconazole, 3.0% of ethylicin, 1% of cartap, 0.3% of chlorin iron chelate, 17% of dispersant lignin sulfonic acid, 15% of wetting agent nekal, 1.0% of quick penetrant T, 1.0% of stabilizer glycol and 100% of filler kaolin, wherein the raw penconazole (97%) is purchased from Basoff European company; ethylicin stock (98%) was purchased from hubei rabepresentate chemical company, inc; cartap (98%) was purchased from the chemical company of tiger, guangzhou. Wherein, the chlorin iron chelate is purchased from Nanjing Baite bioengineering Co., ltd, and the chemical structural formula of the chlorin iron chelate is shown as follows:
wherein x=ococh 3.
The preparation method of the rice seed treating agent comprises the following steps: mixing the above components by mass percent uniformly, crushing, and sieving with a 325-mesh sieve to obtain fine powder, namely the rice seed treating agent.
Example 6
A rice seed treating agent comprises the following components in percentage by mass: 5.0% of penconazole, 5.0% of ethylicin, 2% of cartap, 0.5% of chlorin iron chelate, 5% of dispersing agent sodium polycarboxylate, 5% of wetting agent nekal, 0.5% of quick penetrating agent T, 0.5% of stabilizing agent glycol and 100% of filler kaolin, wherein the raw penconazole (97%) is purchased from Basoff European company; ethylicin stock (98%) was purchased from hubei rabepresentate chemical company, inc; cartap (98%) was purchased from the chemical company of tiger, guangzhou. Wherein, the chlorin iron chelate is purchased from Nanjing Baite bioengineering Co., ltd, and the chemical structural formula of the chlorin iron chelate is shown as follows:
Wherein x=oh.
The preparation method of the rice seed treating agent comprises the following steps: mixing the above components by mass percent uniformly, crushing, and sieving with a 325-mesh sieve to obtain fine powder, namely the rice seed treating agent.
Comparative example 1
Comparative example 1 is a control group of example 5, the chlorin iron chelate of example 5 is replaced with the chlorin iron chelate of example 6, and the remaining components and preparation method remain unchanged, finally obtaining the rice seed treatment agent.
Comparative example 2
Comparative example 2 is a control group of example 5, the penconazole of example 5 is replaced by the filler kaolin, and the rest components and the preparation method are kept unchanged, so that the rice seed treatment agent is finally obtained.
Comparative example 3
Comparative example 3 is a control group of example 5, and the ethylicin of example 5 is replaced by the filler kaolin, and the rest components and the preparation method are kept unchanged, so that the rice seed treatment agent is finally obtained.
Comparative example 4
Comparative example 4 is a control group of example 5, cartap of example 5 was replaced with kaolin as filler, and the remaining components and preparation method were kept unchanged, to finally obtain a rice seed treatment agent.
Comparative example 5
Comparative example 5 is a control group of example 5, the penconazole and ethylicin of example 5 are replaced by the filler kaolin, and the rest components and the preparation method are kept unchanged, so that the rice seed treatment agent is finally obtained.
Comparative example 6
Comparative example 6 is a control group of example 5, the penconazole and cartap of example 5 are replaced with kaolin as filler, and the rest components and the preparation method are kept unchanged, so that the rice seed treatment agent is finally obtained.
Comparative example 7
Comparative example 7 is a control group of example 5, and the ethylicin and cartap of example 5 are replaced with the filler kaolin, and the rest components and the preparation method are kept unchanged, so as to finally obtain the rice seed treatment agent.
The rice seed treatments prepared in examples 1 to 6 and comparative examples 1 to 7 were subjected to field tests as follows, and the test results are shown in Table 1:
Test site: the rice is planted in the pure single-season middle-rice area of Xuancheng Guangde city Cunzhen of Anhui province, the rice is sowed for 898,5 months for 5 days, transplanted for 6 months for 15 days, the planting amount of 667m 2 is 1.2 ten thousand holes, and 40kg of 45% compound fertilizer and 15kg of urea are applied as base fertilizer every 667m 2 before planting.
And (3) test design: the test is divided into 14 test cells, and the area of each test cell is 20m 2, wherein 13 areas are treatment areas and 1 area is a control area.
Seed treatment: the amount of seeds used was calculated for each test cell, the rice seeds were divided into 13 parts, and then the rice seed treatment agents prepared in examples 1 to 6 and comparative examples 1 to 7 were diluted 500 times, respectively, and the rice seeds were immersed in the rice seed treatment agents, moved to a constant temperature of 30℃for germination, and sowed after the germination was completed.
1. Emergence rate:
The rice seedling emergence period (50% of the rice seedling emergence time is defined as the seedling emergence period) and the number of seedlings are investigated after sowing, and the rice seedling emergence rate is calculated.
2. Seedling quality:
The rice seedling quality investigation is carried out in the 4-5 leaf period, every district is sampled at 5 points randomly, 10 seedlings are taken at each point, 50 seedlings are taken in total, and the total root number and the plant height are investigated.
3. Disease occurrence:
The investigation of the bakanae disease of the rice is carried out according to the pesticide field efficacy test criterion (II): the bactericide is used for controlling bakanae disease of rice (GB/T17980.104-2004), investigation is carried out 1 time before seedling transplanting and heading respectively, sampling is carried out at five points on the diagonal line of each district before seedling transplanting, 100 plants are investigated at each point, the total plant number and the disease number are recorded and investigated, and the control effect is calculated according to the disease rate; sampling at five random points in each district before heading, investigating 20 clusters at each point, recording and investigating total plant number and disease plant number, and calculating control effect according to disease plant rate, wherein the disease seedlings of bakanae disease of rice are higher and thinner than healthy seedlings, and the leaf and leaf sheath are narrow and long, and the leaf color is light yellow green.
Disease rate= (disease number/total number) ×100%;
control effect= (number of control area disease plants-number of treatment area disease plants)/number of control area disease plants×100%.
TABLE 1
| Project | Emergence rate/% | Total root number/number | Plant height/cm | Disease rate/% | Control effect/% |
| Example 1 | 88.92 | 12.05 | 23.38 | 8.52 | 75.13 |
| Example 2 | 89.11 | 12.27 | 23.05 | 4.90 | 83.39 |
| Example 3 | 88.94 | 12.15 | 23.18 | 5.19 | 82.64 |
| Example 4 | 90.85 | 14.25 | 23.10 | 5.79 | 81.14 |
| Example 5 | 92.04 | 15.01 | 22.22 | 2.68 | 90.15 |
| Example 6 | 90.67 | 14.26 | 23.01 | 3.59 | 87.15 |
| Comparative example 1 | 92.01 | 14.93 | 22.32 | 3.01 | 89.02 |
| Comparative example 2 | 91.84 | 14.03 | 23.53 | 14.07 | 65.36 |
| Comparative example 3 | 91.83 | 14.29 | 23.18 | 10.08 | 72.12 |
| Comparative example 4 | 91.11 | 13.58 | 23.80 | 6.75 | 78.88 |
| Comparative example 5 | 91.39 | 13.40 | 24.33 | 23.41 | 52.59 |
| Comparative example 6 | 91.38 | 14.31 | 23.34 | 18.72 | 58.60 |
| Comparative example 7 | 91.16 | 14.02 | 23.49 | 11.77 | 69.12 |
Data analysis:
(1) The seedling emergence rate, total root number and plant height data can be obtained: the introduction of the chlorin iron chelate can promote the sprouting and root growth of rice seeds.
(2) The disease rate and the control effect data can be obtained: the rice seed treatment agent formula of the embodiment 5 of the invention achieves the optimal control effect to 90.15%, and the rice seed treatment agent formula of the embodiment 5 of the invention is obtained by comparing the embodiment 5 with the embodiment 2 and the comparative examples 2-7, and the halofop-butyl, ethylicin, cartap and chlorin iron chelate in the rice seed treatment agent formula of the embodiment 5 of the invention have obvious synergistic effect.
It should be noted that in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (10)
1. The rice seed treating agent is characterized by comprising effective components, an auxiliary agent and a filler, wherein the effective components comprise penconazole, ethylicin and cartap; the mass ratio of the penconazole to the ethylicin to the cartap is 0.5-5.0:0.5-5.0:1-2.
2. The rice seed treatment of claim 1, wherein the active ingredient further comprises a chlorin iron chelate.
3. The rice seed treatment agent according to claim 2, wherein the mass ratio of the penconazole, the ethylicin, the cartap and the chlorin iron chelate is 0.5-5.0:0.5-5.0:1-2:0.01-0.5.
4. A rice seed treatment according to claim 2, wherein the adjuvant comprises a dispersant, a wetting agent, a penetrant and a stabilizer.
5. A rice seed treatment as defined in claim 1, wherein said filler is kaolin.
6. The rice seed treatment of claim 4, wherein the dispersant is one of lignin sulfonic acid and sodium polycarboxylate; the wetting agent is nekal; the penetrating agent is a rapid penetrating agent T; the stabilizer is glycol.
7. The rice seed treatment of claim 4, wherein the rice seed treatment is in the form of a wettable powder.
8. The rice seed treatment of claim 7, wherein the wettable powder comprises, in mass percent: 0.5 to 5.0 percent of penconazole, 0.5 to 5.0 percent of ethylicin, 1 to 2 percent of cartap, 5 to 17 percent of dispersing agent, 5 to 15 percent of wetting agent, 0.5 to 2.0 percent of penetrating agent, 0.5 to 1.0 percent of stabilizing agent and 100 percent of filling material.
9. The rice seed treatment of claim 7, wherein the wettable powder comprises, in mass percent: 0.5 to 5.0 percent of penconazole, 0.5 to 5.0 percent of ethylicin, 1 to 2 percent of cartap, 0.01 to 0.5 percent of chlorin iron chelate, 5 to 17 percent of dispersing agent, 5 to 15 percent of wetting agent, 0.5 to 2.0 percent of penetrating agent, 0.5 to 1.0 percent of stabilizing agent and 100 percent of filling material.
10. The method for preparing a rice seed treatment agent according to claim 1, comprising the steps of:
Mixing the effective components, the auxiliary agent and the filler uniformly according to the mass percentage, crushing, and sieving with a 325-mesh sieve to obtain fine powder, namely the rice seed treating agent.
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