CN109329291A - A kind of plant growth regualting composition and its application - Google Patents

A kind of plant growth regualting composition and its application Download PDF

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Publication number
CN109329291A
CN109329291A CN201811521177.0A CN201811521177A CN109329291A CN 109329291 A CN109329291 A CN 109329291A CN 201811521177 A CN201811521177 A CN 201811521177A CN 109329291 A CN109329291 A CN 109329291A
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China
Prior art keywords
composition
plant growth
uniconazole
paclobutrazol
iron
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CN201811521177.0A
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Chinese (zh)
Inventor
陈黎明
王乐天
郭素春
任勇
王迎春
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NANJING BAITE BIOTECHNOLOGICAL ENGINEERING Co Ltd
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NANJING BAITE BIOTECHNOLOGICAL ENGINEERING Co Ltd
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Priority to CN201811521177.0A priority Critical patent/CN109329291A/en
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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
    • A01N43/00Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/90Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having two or more relevant hetero rings, condensed among themselves or with a common carbocyclic 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)
  • Agronomy & Crop Science (AREA)
  • Pest Control & Pesticides (AREA)
  • Plant Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

The present invention provides a kind of plant growth regualting composition, it includes the first active component and the second active component, first active component is chlorin iron, second active component selects uniconazole P or paclobutrazol, in the composition, the content of chlorin iron and uniconazole P ratio is 1:2000~1:160;The content of chlorin iron and paclobutrazol ratio is 1:5000~1:200.The preparation dosage form of this composition is soluble powder, water dispersible granules, wettable powder, aqua or soluble liquid.The present invention, which gives application of the composition as plant growth regulator, uniconazole P or paclobutrazol and chlorin iron compounded combination, has the function of synergy, has expanded chlorin iron in the application in plant growth regulator field.

Description

A kind of plant growth regualting composition and its application
Technical field
The invention belongs to agriculturally useful compositions technical fields, are related to a kind of plant growth regualting composition, in particular to a kind of The plant growth regualting composition of the iron containing chlorin.The present invention gives this composition as plant growth regulator Using.
Background technique
Life in growing process, as the nutrients such as micro physiological activator and sunlight, temperature, moisture to plant Length plays an important role, these trace active objects, and there play the role of to the growth and development for adjusting plant to be special.It is various endogenous micro- Amount active material is often referred to as plant hormone, such as auxin, gibberellin, the basic element of cell division, rather than endogenic additional activity Substance is then referred to as plant growth regulator.
The application of plant growth regulating substance is one of modern age plant physiology and agrotechnical major progress, although planting Object endogenous growth adjusts active material and shows strong activity at much lower concentrations (1 μm of ol/L of <), but its content is atomic, difficult To extract preparation, thus it is at high price, and therefore, the endogenic growth regulatory substance of non-plant becomes the emphasis of research.
Plant growth regulator have it is natural extract and artificial synthesized two major classes, answered currently, having to surpass hundred kinds of products and put goods on the market With, it has also become improve and improve agricultural output quality an important technology method (Fu Hualong etc., plant growth regulator Research and application, biological processing, 2008 (6) 4:7~12).Plant growth regulator generally have low concentration promote and it is high Concentration inhibits the characteristic of plant growth, and must can be brought into normal play effect with narrow dosage range use, this causes actually to answer With there are many restrictions and inconvenience;Plant endogenous sex hormone has natural metabolic pathway and mode, is not easy to put aside, with its phase Than, exogenous synthesis class plant growth regulator used at present, dosage higher concentration is bigger than normal and metabolic pathway is unclear, Chemical property is stablized, and the residual more or residual period is long, and with the continuous expansion of application range, residue problem has caused people's Pay much attention to (Zhao Min etc., safety of the plant growth regulator to crops and environment, environment and health magazine, 2007 (24) 5:370~372), China it has been specified that, any pollution-free food production process, the form for not being able to fertilizer and pesticide uses (People's Republic of China's agricultural industry criteria NY-T393-2000 green food pesticide makes chemically synthesized plant growth regulator Use criterion;NY-T394-2000 green food Fertilizer application criterion).Research, exploitation dosage is small, property is stable, easy to use Plant growth regulator has become the development trend in the field, and nontoxic, without side-effects and do not influence plant eubolism approach Highly effective and safe product with mode is the priority and difficulty of plant growth regulator research.
Chlorin iron has excellent plant growth regulating activity, and has apparent external chlorophyllase suppression in vivo Production is used.Chemical structure and its work of the applicant in patent applied for CN102285992B, to chlorin iron It has been described later in detail for plant growth regulating activity ingredient in application.Chlorin iron, that is, patent of present patent application Chlorin iron in CN102285992B.
Uniconazole P, english common name: uniconazole;CAS accession number: 83657-22-1;Chemical name: (E-1- (rubigan) -2- (1,2,4- triazol-1-yl) -4,4- dimethyl -1-POL;Molecular formula C15H18ClN3O;Physics and chemistry Matter: uniconazole P sterling is white crystal, and vapour pressure 8.9mPa (20 DEG C) 159-160 DEG C of fusing point, is slightly soluble in water, dissolves in majority Organic solvent.Uniconazole P is a kind of novel triazole type plant growth regulator, which is the antagonist of gibberellic acid biosynthesis, There is strong growth inhibition effect to draft or woody monocotyledon, the main elongation for inhibiting internodal cell generates plant The effect of object delayed growth.Medicament is absorbed by the root of plant, is conducted in plant, when cauline leaf is spraying, interior suction can be passed upwards The effect led, but do not conducted downwards.Currently, uniconazole P is promoted the use of a large area in production, activity is compared with paclobutrazol It is 6-10 times high, but its residual quantity in the soil is only the 1/10 of paclobutrazol, and small on succession crop influence, no secondary control is existing As good market prospect.
Paclobutrazol, english common name: propiconazole;Chemical name: (2RS, 3RS) -1- (4- chlorphenyl) -4, 4- dimethyl -2- (1H-1,2,4- triazol-1-yls) amyl- 3- alcohol;Raw medicine is white solid.Paclobutrazol is a kind of triazole type plant Growth regulator is the inhibitor of endogenous gibberellins synthesis, has and delay plant growth, inhibits stem elongation, shortens internode, promotees Into plant tillering, promote bud differentiation, increase plant stress-resistance performance, improves yield and other effects.Paclobutrazol is suitable for water paddy and wheat (plant) object is made on class, peanut, fruit tree, tobacco, rape, soybean, flowers, lawn etc., and using effect is significant.
Summary of the invention
The technical problem to be solved in the present invention: chlorin iron is as a kind of plant growth tune with novel mechanism of action Active constituent is saved, application study also predominantly stays in the experimental study stage.Based on this, in order to promote chlorin iron in agricultural Application on industry field, in conjunction with the verification experimental verification data of early period, the present invention is by chlorin iron and existing plant growth regulator Compounding, provide a kind of plant growth regualting composition of iron containing chlorin.
To achieve the goals above, the invention adopts the following technical scheme:
A kind of plant growth regulator composition comprising the first active component and the second active component, described first is living Property group be divided into chlorin iron, second active component selects uniconazole P or paclobutrazol, in the composition, chlorin The content of iron and uniconazole P ratio is 1:2000~1:160;The content of chlorin iron and paclobutrazol ratio is 1:5000~1:200.
The plant growth regulator composition its can be prepared into convenient for a variety of dosage forms for being applied in agriculture and forestry field.It examines Consider the convenience that chlorin iron, uniconazole P, the physicochemical property of paclobutrazol and corresponding preparations dosage form use, it is preferable that institute The preparation dosage form for stating composition is soluble powder, water dispersible granules, wettable powder, aqua or soluble liquid.
When preparing aqua or soluble liquid, those of ordinary skill in the art, which are very familiar with, completes this using corresponding auxiliary agent Invention, the auxiliary agent of selection can illustrate are as follows: emulsifier such as calcium dodecyl benzene sulfonate (agriculture breast 500#), Nongru-700 # (common name: Alkyl phenol formaldehyde resin polyoxyethylene ether), agriculture breast 2201#, this disk -60# (common name: Span60), tween - 60# (common name: polyoxyethylene sorbitan stearate), TX-10 (common name: octylphenol polyethylene ethylene oxide (10) ether), agriculture Newborn 1601# (common name: triphenoethyl benzene phenol polyoxyethylene polyoxypropylene block polymer), agriculture breast 600#, one in agriculture breast 400# Kind is a variety of;It is solvent such as methanol, dimethylformamide, N-Methyl pyrrolidone, cyclohexanone, acetone, a kind of in dimethyl sulfoxide Or it is a variety of.
When preparing water dispersible granules, the auxiliary agent that those of ordinary skill in the art select can illustrate are as follows: for example poly- carboxylic of dispersing agent It is hydrochlorate, lignosulfonates, one or more in alkylnaphthalene sulfonate;Wetting agent such as alkyl sulfate, alkylsulfonate, naphthalene sulphur It is one or more in hydrochlorate;It is disintegrating agent such as ammonium sulfate, urea, sucrose, one or more in glucose;Binder such as diatomite, One of cornstarch, PVA, carboxymethyl (ethyl) cellulose family are a variety of;Filler such as diatomite, kaolin, white carbon black, light Calcium, talcum powder, attapulgite, clay are one or more.
When preparing wettable powder or soluble powder, the auxiliary agent that those of ordinary skill in the art select can illustrate are as follows: It is dispersing agent such as polycarboxylate, lignosulfonates, one or more in alkylnaphthalene sulfonate;Wetting agent such as alkyl sulfate, alkane It is one or more in base sulfonate, naphthalene sulfonate;Filler such as ammonium sulfate, urea, sucrose, glucose, diatomite, kaolin, white Carbon black, light calcium, talcum powder, attapulgite, clay are one or more.
On the other hand, the present invention gives the plant growth regulator composition in improving plant growth and development Using.Specifically, the composition is used to adjust the growth of rape, rice.
Preferred, the plant growth regulating work of the composition is applied in terms of plant growth regulating as the composition Property group be divided into chlorin iron and uniconazole P, the composition is configured to solution use, in the solution, chlorin iron Concentration is 0.01~0.5mg/L, and the concentration of uniconazole P is 20~80mg/L.
Preferred, the plant growth regulating work of the composition is applied in terms of plant growth regulating as the composition Property group be divided into chlorin iron and paclobutrazol, the composition is configured to solution use, in the solution, chlorin iron Concentration is 0.01~0.5mg/L, and the concentration of paclobutrazol is 50~100mg/L.
The plant growth regualting composition of the iron of the present invention containing chlorin and its in plant growth regulating field Using, at least have it is following the utility model has the advantages that
1) chlorin iron of the invention is environmentally protective, easily by plant catabolism, no people and animals' toxicity, and the low dosage of dosage It is few, it selects the plant growth regulating activities such as uniconazole P or paclobutrazol ingredient as chlorin iron compounded combination ingredient, tests number According to showing that it has the function of synergy, chlorin iron has been expanded in the application in plant growth regulator field.
2) inventor passes through largely deep theory and experimental study discovery, the plant growth tune of the iron containing chlorin Section composition activity is strong, effect is good, and effect propety is wide, such as can be improved crop yield, improves crop quality.
Specific embodiment
Purpose, technical solution and its effect to facilitate the understanding of the present invention, now will in conjunction with the embodiments to the present invention do into One step elaborates.
(1) example of formulations
Example of formulations 1
The formula composition of 1.5% chlorin iron uniconazole P aqua: 0.5% chlorin iron, 1% uniconazole P, 2%0 Sodium dialkyl sulfate, 2% styrene phenol polyoxyethylene ether, 5% ethyl alcohol, 5% ethylene glycol, 4% butylphosphoric acid ester, deionized water are mended To 100%.Above-mentioned material is uniformly mixed in kettle in being mixed according to corresponding ratio, and obtaining active constituent content is 1.5% Chlorin iron uniconazole P aqua.
Example of formulations 2
The formula composition of 5% chlorin iron paclobutrazol soluble liquid: 1.5% chlorin iron, 3.5% multiple-effect Azoles, 8% cyclohexanone, 4% isopropanol, 4% calcium dodecyl benzene sulfonate, 2% dimethylformamide, 2% agriculture breast 600#, 4% second Alcohol, deionized water are mended to 100%.Above-mentioned material is uniformly mixed according to corresponding ratio in being mixed in kettle, obtain effectively at Dividing content is 5% chlorin iron paclobutrazol soluble liquid.
Example of formulations 3
The formula composition of 10% chlorin iron uniconazole P wettable powder: 2% chlorin iron, 8% uniconazole P, 5% glucose, 5% talcum powder, 4% white carbon black, 5% diatomite, kaolin are mended to 100%.By above-mentioned material according to corresponding ratio In example investment double spiral agitator, 500 mesh are crushed to by airslide disintegrating mill after mixing, active constituent content, which is made, is 10% chlorin iron uniconazole P wettable powder.
Example of formulations 4
The formula composition of 25% chlorin iron paclobutrazol wettable powder: 5% chlorin iron, 20% paclobutrazol, 5% potassium nitrate, 6% sodium sulphate, 3% lauryl sodium sulfate, 3% alkylsulfonate, 8% white carbon black, 5% diatomite, kaolinite Soil is mended to 100%.By above-mentioned material according in corresponding ratio investment double spiral agitator, pass through airslide disintegrating mill after mixing 500 mesh are crushed to, it is 25% chlorin iron paclobutrazol wettable powder that active constituent content, which is made,.
Example of formulations 5
The formula composition of 30% chlorin iron Uniconazole water dispersible granules: 2.5% chlorin iron, 27.5% alkene effect Azoles, 5% calcium chloride, 1% PA 800K, 2% polycarboxylate, 3% naphthalene sulfonate, 2% alkylsulfonate, 5% cornstarch, 5% talcum powder, 2% white carbon black, calcined kaolin complement to 100%.Above-mentioned material is stirred according to corresponding ratio investment double helix Mix in device, 800 mesh be crushed to by airslide disintegrating mill after mixing, after by the 10% of smashed material and its weight go from Sub- water is uniformly mixed, and by extrusion granulation, screening, it is 30% chlorin iron uniconazole P water dispersion that active constituent content, which is made, Granula.
(2) pharmacodynamic test
Test examples 1
The present embodiment provides growth of rape and adjusts test.Rape variety is miscellaneous No. 27 peaceful.Test carries out in Jiangsu Province, drought Ground, preceding stubble leisure.The compound fertilizer of in 9Yue28Shi, 2016 750kg/hm2Make base manure, deep ploughs within September 29th, rotation on October 2 ground.October Artificial seeding on the 4th, application rate 3kg/hm2.October 8 neat seedling, thinning on October 15, final singling on November 3, density is per hectare 1.8×105Strain.The long 4m in experimental plot, wide 3m, the random district's groups arrangement of cell, spray the processing of clear water for control.The 2-4 leaf phase uses Foliage-spray, liquid volume 750kg/hm2.Maturity period harvest, measures yield, result is as shown in following table 1-3.
Table 1 sprays influence of the different plant growth regulator to rape result
Table 1 is the results show that compared with clear water control, and under 0.01~0.5mg/L dosage, spraying chlorin iron single dose can Increase the branch amount and total silique number of rapeseed plants;Under 20~80mg/L dosage, rapeseed plants can be increased by spraying uniconazole P Branch amount and total silique number;Under 50~100mg/L dosage, spray paclobutrazol can increase rapeseed plants branch amount and total silique Number;But chlorin iron is used in compounding with uniconazole P or paclobutrazol, and the branch amount and total silique number increase to rapeseed plants have bright Aobvious raising.In addition, watching from the Appearance View of field trial, chlorin iron is compounded with uniconazole P or paclobutrazol, is conducive to promote Oil inlet dish plant stalk is sturdy, and has no that rapeseed plants lodge;The rapeseed plants of clear water control group have part to fall to higher Volt.
Table 2 sprays influence of the different plant growth regulator to rape single plant yield
Table 2 within the scope of given dose, sprays chlorin iron, uniconazole P or more the results show that compared with clear water control Azoles single dose is imitated, can improve rape single plant yield to a certain extent;But chlorin iron is compounded with uniconazole P or paclobutrazol to be made With can significantly improve rape single plant yield, illustrate that chlorin iron and uniconazole P or paclobutrazol have the function of synergy.
Table 3 sprays influence of the different plant growth regulator to rape per mu yield
Table 3 within the scope of setting dosage, sprays chlorin iron, uniconazole P or more the results show that compared with clear water control Azoles single dose is imitated, rape per mu yield can be improved;But chlorin iron is used in compounding with uniconazole P or paclobutrazol, and rape per mu yield is bright It is aobvious to improve.
Consolidated statement 1-3 can know that chlorin iron and uniconazole P, paclobutrazol are compounded in listed ratio, compared to single dose Rape branch amount and total silique number can be increased, improve mass of 1000 kernel and single plant yield, yield of rape is improved, obtain synergy Effect.
Test examples 2
The present embodiment provides paddy growth and adjusts test.Rice varieties are Shan excellent 016.Sowing on July 3rd, 2017, in seedling One heart stage of one leaf of seedling, is sprayed, per acre spraying liquid 60kg.Spray the previous day drains rice seedling bed water, and spray rehydration one day after.Transplanting The previous day investigates single plant tiller number, investigation Defined daily doses, mass of 1000 kernel and per mu yield when rice maturation.Every cell 30m2, cell Random district's groups arrangement, sprays the processing of clear water for control, every processing is repeated 4 times.Maturity period harvest, measures yield, and result is as follows Shown in table 4 and table 5.
Table 4 sprays influence of the different plant growth regulator to rice tillering and knot grain
Table 4 within the scope of setting dosage, sprays chlorin iron, uniconazole P or more the results show that compared with clear water control Azoles single dose is imitated, tiller number and Defined daily doses can be increased;But chlorin iron is used in compounding with uniconazole P or paclobutrazol, rice Tiller number and Defined daily doses significantly improve.
Table 5 sprays influence of the different plant growth regulator to rice per mu yield
Table 5 within the scope of setting dosage, sprays chlorin iron, uniconazole P or more the results show that compared with clear water control Azoles single dose is imitated, can increase rice mass of 1000 kernel and per mu yield, but yield increase is limited;Chlorin iron and uniconazole P or paclobutrazol It is used in compounding, rice mass of 1000 kernel and per mu yield significantly improve.
Consolidated statement 4 and table 5 can know that chlorin iron and uniconazole P, paclobutrazol are compounded in listed ratio, compared to list Agent can be improved rice tillering number, bear fruit grains, mass of 1000 kernel, improve yield, obtain synergistic effect.
Further narration is done to the present invention above in conjunction with embodiment, but present invention is not limited to the embodiments described above, Within the knowledge of one of ordinary skill in the art, it can also make without departing from the purpose of the present invention Various change.

Claims (6)

1. a kind of plant growth regulator composition, which is characterized in that described including the first active component and the second active component First active component is chlorin iron, and second active component selects uniconazole P or paclobutrazol, in the composition, two The content of hydrogen porphines iron and uniconazole P ratio is 1:2000~1:160;The content of chlorin iron and paclobutrazol ratio be 1:5000~ 1:200。
2. plant growth regulator composition according to claim 1, which is characterized in that the preparation dosage form of the composition is Soluble powder, water dispersible granules, wettable powder, aqua or soluble liquid.
3. plant growth regulator composition described in claim 1 is improving the application in plant growth and development.
4. applying according to claim 3, which is characterized in that the plant growth regulating activity group of the composition is divided into dihydro Porphines iron and uniconazole P, the composition is configured to solution use, in the solution, the concentration of chlorin iron is 0.01~ 0.5mg/L, the concentration of uniconazole P are 20~80mg/L.
5. application of the composition as plant growth regulator according to claim 3, which is characterized in that the composition Plant growth regulating activity group is divided into chlorin iron and paclobutrazol, and the composition is configured to solution use, in the solution In, the concentration of chlorin iron is 0.01~0.5mg/L, and the concentration of paclobutrazol is 50~100mg/L.
6. applying according to claim 3, the composition is used to adjust the growth of rape, rice.
CN201811521177.0A 2018-12-12 2018-12-12 A kind of plant growth regualting composition and its application Pending CN109329291A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110463693A (en) * 2019-09-11 2019-11-19 广西拜科生物科技有限公司 A kind of synergist and its application for aqueous pesticide
CN111194748A (en) * 2020-01-14 2020-05-26 南京百特生物工程有限公司 Composition for preparing plant growth regulator, plant growth regulator and preparation method and application thereof
CN111248217A (en) * 2020-03-29 2020-06-09 邢宇俊 Plant growth regulator composition containing chlorin iron and thidiazuron
WO2020258190A1 (en) * 2019-06-27 2020-12-30 南京瑞江生物工程有限公司 Use of chlorophyll dihydroporphin as plant growth regulator

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Publication number Priority date Publication date Assignee Title
CN1238910A (en) * 1999-07-07 1999-12-22 中国水稻研究所 Binary plant growing regulator and preparing process thereof
CN1416705A (en) * 2002-12-11 2003-05-14 湖北移栽灵农业科技股份有限公司 Rice lodging resisting prepn
CN1475117A (en) * 2003-06-28 2004-02-18 浙江大学 Seed coating agent for rapeseed
CN102285992A (en) * 2011-06-28 2011-12-21 南京师范大学 Dihydroporphin (III) chelates having plant growth regulating activity and use thereof as plant growth regulator

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1238910A (en) * 1999-07-07 1999-12-22 中国水稻研究所 Binary plant growing regulator and preparing process thereof
CN1416705A (en) * 2002-12-11 2003-05-14 湖北移栽灵农业科技股份有限公司 Rice lodging resisting prepn
CN1475117A (en) * 2003-06-28 2004-02-18 浙江大学 Seed coating agent for rapeseed
CN102285992A (en) * 2011-06-28 2011-12-21 南京师范大学 Dihydroporphin (III) chelates having plant growth regulating activity and use thereof as plant growth regulator

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020258190A1 (en) * 2019-06-27 2020-12-30 南京瑞江生物工程有限公司 Use of chlorophyll dihydroporphin as plant growth regulator
CN114126409A (en) * 2019-06-27 2022-03-01 南京瑞江生物工程有限公司 Application of chlorophyll chlorin as plant growth regulator
CN110463693A (en) * 2019-09-11 2019-11-19 广西拜科生物科技有限公司 A kind of synergist and its application for aqueous pesticide
CN111194748A (en) * 2020-01-14 2020-05-26 南京百特生物工程有限公司 Composition for preparing plant growth regulator, plant growth regulator and preparation method and application thereof
CN111248217A (en) * 2020-03-29 2020-06-09 邢宇俊 Plant growth regulator composition containing chlorin iron and thidiazuron

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