CN107624757B - Strawberry vigorous growth control agent - Google Patents
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- CN107624757B CN107624757B CN201710711407.9A CN201710711407A CN107624757B CN 107624757 B CN107624757 B CN 107624757B CN 201710711407 A CN201710711407 A CN 201710711407A CN 107624757 B CN107624757 B CN 107624757B
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Abstract
The invention belongs to the technical field of plant growth regulators in agricultural production and discloses a novel strawberry vigorous growth control medicament, which comprises the effective components of flumetralin and prohexadione calcium, wherein the weight ratio of the flumetralin to the prohexadione calcium is 30: 1-1: 30, and the weight percentage of the total weight of the two components in the strawberry vigorous growth control medicament is 5-80%. The invention can effectively control the vigorous growth of the seedling stage of the strawberry, and achieves the purposes of promoting flower bud differentiation and improving disease resistance and yield. By compounding the low-toxicity plant growth inhibitors with two different action modes, the vigorous-control effect can be improved, the using amount of the medicament can be effectively reduced, the use cost can be reduced, and the edible safety of the strawberries can be improved.
Description
Technical Field
The invention belongs to the technical field of plant growth regulators in agricultural production, and particularly relates to a novel agent capable of controlling vigorous growth of strawberry in seedling stage and having a yield increase effect and application thereof.
Background
Strawberry is perennial herbaceous plant, is one of important berries widely distributed in the world, has the characteristics of beautiful appearance, rich fragrance, sweet and refreshing taste and the like, and is always favored in the fruit market and has the reputation of fruit queen.
In the modern strawberry cultivation technology, seedling culture is one of key technical links. During seedling culture in spring, along with the temperature rise gradually, the strawberry is easy to have over-vigorous vegetative growth, the nutrition is unbalanced, the nutrition is conveyed to stems and leaves, the side buds are too many or the plant height is too high, the transplanting survival rate is low on the one hand, on the other hand, excessive nutrients can be consumed by spindly growth, the flower bud differentiation and the flowering and fruiting of the strawberry are influenced, and therefore the purpose of over-growth control is to prevent the spindly growth, enable the root system to grow robustly, promote the flower bud differentiation and improve the disease resistance. The vigorous growth control in the seedling stage of the strawberries is usually carried out by using growth delaying regulators and matched cultivation technology, so that the transplanting survival rate, the disease resistance and the fruit quality are prevented from being influenced after the strawberry plants grow in vain.
The optimal using time of the strawberry vigor control agent is as follows: before and after seedling stage transplanting.
In the agricultural production of strawberries, chlormequat chloride, mepiquat chloride, triazole regulators such as paclobutrazol, uniconazole, tebuconazole and the like are commonly used as the vigorous growth controlling agents. Generally, 1000 times of chlormequat chloride 600-containing acid + 750 times of monopotassium phosphate 600-containing acid or 10% paclobutrazol is used, 25g of mepiquat chloride is diluted by 15-30kg of water + 750 times of monopotassium phosphate so as to control the vigorous growth of strawberry seedlings, reduce nutrient consumption and promote fruit setting and fruit expansion.
The application of the traditional strawberry vigorous growth control agent such as paclobutrazol or uniconazole and the like has the problems of poor safety to seedlings, high pesticide residue level and the like although the lasting period is long, and is easy to cause phytotoxicity to influence the normal growth of the next-stubble crops; the regulator such as chlormequat chloride and mepiquat chloride is used for controlling vigorous growth, has short lasting period and is easy to relieve vigorous growth.
Flumetralin is a dinitroaniline compound, is a low-toxicity plant growth regulator, inhibits the cell division of a growing point of a terminal bud (lateral bud) by inhibiting the synthesis of gibberellin, has a good lateral bud inhibition effect on tobacco, and shows a good vigorous control effect on crops such as cotton, peanuts and the like.
Prohexadione calcium (Prohexadione calcium), chemical name of3, 5-dichloro-4-propionyl cyclohexanecarboxylic acid and calcium salt, molecular formula C10H10O5Ca, a plant growth regulator developed by Nippon combinatorial chemical industries. The prohexadione calcium inhibits the vegetative growth of crops by inhibiting the synthesis of gibberellic acid, thereby achieving the purpose of regulating and controlling the growth of crops. Researches for many years show that prohexadione calcium is widely applied to the production of crops such as wheat, rice, corn and the like, has no residual toxicity to crops and has no pollution to the environment.
The invention finds that the flumetralin and the prohexadione calcium have good strawberry vigor control effects in field application, the product has low residue in leaves, and compared with the traditional vigor control medicament, the flumetralin and the prohexadione calcium are safe and harmless to strawberry seedlings and have low pesticide residue level.
Disclosure of Invention
The invention aims to provide a flumetralin compound prohexadione calcium strawberry vigor control agent which has the advantages of excellent effect, long lasting period and safety for strawberry seedlings.
The invention achieves the purpose through the following technical scheme.
The strawberry vigor control medicament is characterized by comprising the effective components of flumetralin and prohexadione calcium in a weight ratio of 30: 1-1: 30, wherein the weight percentage of the total weight of the flumetralin and the prohexadione calcium in the strawberry vigor control medicament is 5-80%.
The strawberry vigorous growth control medicament provided by the invention mainly utilizes the growth regulation effects of the flumetralin and the prohexadione calcium to control the excessive growth of strawberry stems and leaves, shorten the length of main stems, reduce the lateral bud germination, make strawberry seedlings short and strong, improve the disease resistance and the transplanting survival rate, and promote the flower bud differentiation.
The strawberry vigorous growth controlling medicament containing the flumetralin and the prohexadione calcium of the invention comprises the active ingredients and the balance of additives or fillers. The vigorous-growth-controlling medicament can be prepared into processable pesticide formulations such as wettable powder, water dispersible granules, water suspending agent, dry suspending agent, suspending emulsion or dispersible oil suspending agent according to the method known by pesticide formulation technicians. The following is a detailed description of the formulation of each dosage form.
1. The environment-friendly solvent type missible oil product can be processed in the following way: respectively putting the fluvalinate technical product, the prohexadione-calcium technical product, the environment-friendly solvent and the emulsifier which are weighed correctly into a milk preparation kettle according to the feeding dosage ratio, heating to 40-50 ℃, fully and uniformly stirring until the technical products are completely dissolved, and filtering to obtain the missible oil product.
The following auxiliary agents can be used in the preparation of the environment-friendly emulsifiable concentrate:
the emulsifier adopted in the preparation of the environment-friendly emulsifiable solution is a complex of anionic surfactant calcium dodecyl benzene sulfonate and nonionic surfactant. The adding amount of the anionic surfactant calcium dodecyl benzene sulfonate is 3 to 12 percent of the total weight of the feeding materials. The nonionic surfactant is selected from one or more of alkylphenol polyoxyethylene (polyoxypropylene) ether, benzyl phenol polyoxyethylene ether, styryl phenol polyoxyethylene ether, alkylphenol polyoxyethylene formaldehyde condensate, castor oil polyoxyethylene ether, fatty alcohol polyoxyethylene ester, fatty amine polyoxyethylene ether, polyalcohol fatty acid ester, carbonyl alcohol or ethylene oxide adduct thereof. Considering the comprehensive performance and cost, the carbonyl alcohol ethoxy compound or the styryl phenol polyoxyethylene ether is preferably selected, and the adding amount is 2 to 15 percent.
The solvent adopted in the preparation of the environment-friendly emulsifiable solution is selected from one or more of high-boiling-point aromatic solvent oil (S-150, S-200), alkane (kerosene or diesel oil), vegetable oil (turpentine oil, methyl oleate, fatty acid methyl ester, soybean oil and eucalyptol), higher-boiling-point alcohol (nonanol), ketone (cyclohexanone), glycol ether, glycol diacetate, sec-butyl acetate, butyrolactone or other solvents (Rodiya GREEN solvents RPDE, POLARCLEAN, ADMA810, GREEN25 and the like). In comprehensive consideration, high-boiling aromatic hydrocarbon and alkylamide ADMA810 are preferably used as cosolvent, and the addition amount is 10-72%.
2. The wettable powder product of the invention can be processed in the following way: respectively putting the fluvalinate technical product, the prohexadione-calcium technical product, the dispersing agent, the wetting agent, the spreader and the carrier which are weighed correctly into a stirrer according to the feeding dosage ratio, uniformly mixing, and then carrying out ultrafine grinding by using an airflow grinder to obtain the wettable powder product.
The following auxiliaries can be used in the preparation of wettable powders:
the dispersant adopted in the preparation of the wettable powder is selected from one or more of alkyl naphthalene sulfonate, sodium salt of naphthalene sulfonic acid formaldehyde condensate, sodium salt of alkyl or aralkyl naphthalene sulfonic acid formaldehyde condensate, sodium salt of naphthol sulfonic acid formaldehyde condensate, lignosulfonate, alkylphenol polyoxyethylene ether formaldehyde condensate sulfate or acrylic copolymer salt. In comprehensive consideration, sodium salt of naphthalene sulfonic acid formaldehyde condensate or lignosulfonate is preferably used, and the addition amount is 0.1-15%.
The wetting agent adopted in the preparation of the wettable powder is selected from one or more of sodium dodecyl sulfate, sodium dodecyl benzene sulfonate, olefin sulfonate, dialkyl succinate sodium sulfonate, alkylphenol polyoxyethylene ether succinic acid half ester sulfonate, fatty amide N-methyl taurinate sodium salt, fatty alcohol polyoxyethylene ether sodium sulfate, alkylphenol polyoxyethylene ether sulfate, alkyl naphthalene sodium sulfonate, naphthol sulfonic acid formaldehyde condensation product sodium salt, alkylphenol polyoxyethylene ether or fatty alcohol polyoxyethylene ether. In comprehensive consideration, the sodium alkyl naphthalene sulfonate or alkylphenol polyoxyethylene ether is preferably selected, and the addition amount is 0.1-10%.
The spreading agent adopted in the preparation of the wettable powder is selected from one or more of alkylphenol polyoxyethylene ether, fatty alcohol polyoxyethylene ether, polyvinyl alcohol, alkylbenzene sulfonate, alkylaryl polyoxyethylene ether sulfate, sodium polyacrylate, sodium cocoate oleate, triethanolamine oleate or sorbitol. In comprehensive consideration, polyvinyl alcohol or sodium polyacrylate is preferably selected, and the addition amount is 0.1-15%.
The carrier adopted in the preparation of the wettable powder is selected from one or more of white carbon black, diatomite, attapulgite, bentonite, sepiolite, kaolin, pottery clay, talcum powder or light calcium carbonate. Comprehensively considering, diatomite or attapulgite is preferably selected, and the adding amount is 0.1-95% of the total weight of the feed.
3. The aqueous suspension product of the present invention can be processed in the following manner: the aqueous suspension agent product is prepared by respectively putting the fluvalinamide technical, the prohexadione calcium technical, the dispersing agent, the wetting agent, the thickening agent, the preservative, the antifreezing agent, the defoaming agent and water which are weighed correctly into a shearing kettle or a colloid mill according to the feeding dosage ratio, coarsely crushing and mixing uniformly, and then performing ultrafine grinding by a sand mill until the particle size of the material is qualified.
The following adjuvants may be used in formulating the aqueous suspension:
the dispersant adopted in the preparation of the aqueous suspending agent is selected from one or more of alkyl naphthalene sulfonate, sodium salt of naphthalene sulfonic acid-formaldehyde condensate, sodium salt of alkyl or aralkyl naphthalene sulfonic acid-formaldehyde condensate, sodium salt of naphthol sulfonic acid-formaldehyde condensate, lignosulfonate, alkylphenol polyoxyethylene ether-formaldehyde condensate sulfate, high-molecular polycarboxylate, polyoxyethylene polyoxypropylene ether block copolymer or alkylphenol polyoxyethylene ether phosphate. Comprehensively considering, the alkyl naphthalene sulfonate or the organic phosphate is preferably selected, and the adding amount is 0.1 to 15 percent.
The wetting agent adopted in the preparation of the aqueous suspending agent is selected from one or more of sodium dodecyl sulfate, sodium dodecyl benzene sulfonate, olefin sulfonate, dialkyl succinate sodium sulfonate, alkylphenol polyoxyethylene ether succinic acid half ester sulfonate, fatty amide N-methyl taurinate sodium salt, fatty alcohol polyoxyethylene ether sodium sulfate, alkylphenol polyoxyethylene ether sulfate, alkyl naphthalene sodium sulfonate, naphthol sulfonic acid formaldehyde condensate sodium salt, alkylphenol polyoxyethylene ether or fatty alcohol polyoxyethylene ether. Comprehensively considering, alkylphenol polyoxyethylene ether sulfate or fatty alcohol polyoxyethylene ether is preferably selected, and the addition amount is 0.1-10%.
The thickening agent adopted in the preparation of the aqueous suspending agent is selected from one or more of Arabic gum, gelatin, xanthan gum, carboxymethyl cellulose, sodium polyacrylate, polyvinylpyrrolidone, gaseous silicon dioxide or magnesium aluminum silicate. In comprehensive consideration, xanthan gum or magnesium aluminum silicate is preferably selected, and the addition amount is 0.05-5%.
The preservative adopted in the preparation of the aqueous suspension is selected from Benzisothiazolinone (BIT) or sodium benzoate, and the addition amount is 0.01-3%.
The antifreezing agent adopted in the preparation of the water suspending agent is one or more selected from ethylene glycol, propylene glycol, glycerol, sorbitol, urea or sodium chloride. In comprehensive consideration, the ethylene glycol or glycerol (glycerin) is preferably used, and the addition amount is 0.5-10%.
The defoaming agent adopted in the preparation of the water suspending agent is selected from tributyl phosphate or an organic silicon defoaming agent, and the addition amount is 0.05-5%.
4. The aqueous emulsion products of the invention can be processed in the following manner: adding the weighed correct flumetralin technical, prohexadione calcium technical, emulsifier, solvent or cosolvent together according to the feeding dosage ratio to dissolve into a uniform oil phase; mixing the antifreezing agent, the defoaming agent and the balance of water together to form a uniform water phase. And under the high-speed shearing of an emulsification homogenizer, gradually adding the oil phase into the water phase, and completely stirring to obtain the aqueous emulsion product.
The following auxiliaries can be used in the preparation of the aqueous emulsion:
the emulsifier adopted in the preparation of the aqueous emulsion is selected from one or more of alkylphenol polyoxyethylene (polyoxypropylene) ether, benzyl phenol polyoxyethylene ether, styryl phenol polyoxyethylene ether, alkylphenol polyoxyethylene ether formaldehyde condensate, castor oil polyoxyethylene ether, fatty alcohol polyoxyethylene ester, fatty amine polyoxyethylene ether, polyol fatty acid ester, carbonyl alcohol, polyphosphate or ethylene oxide addition product thereof. The general dosage is 5-20%.
The solvent (cosolvent) adopted in the preparation of the aqueous emulsion is selected from one or more of aromatic hydrocarbons, alcohols, esters, ketones, amides and vegetable oil methyl esters. The general dosage is 10-50%.
The antifreeze used in the preparation of the aqueous emulsion is selected from one or more of ethylene glycol, propylene glycol, glycerol, sorbitol, urea or sodium chloride. The general dosage is 0.5-10%.
The defoaming agent adopted in the preparation of the aqueous emulsion is selected from the class of organosilicon emulsion defoaming agents. The general dosage is 0.01-5%.
5. The oil suspension concentrate product of the present invention can be processed in the following manner: heating the emulsifier, the dispersant and the matrix oil which are weighed correctly according to the feeding dosage ratio to 35-40 ℃, stirring and premixing, adding the flunomide technical, the prohexadione calcium technical and the thickening agent, mixing, then putting into a shearing kettle or a colloid mill, coarsely crushing and uniformly mixing, and then carrying out ultrafine grinding by a sand mill until the particle size of the materials is qualified to obtain the oil suspending agent product.
The following adjuvants may be used in formulating the oil suspension:
the emulsifier adopted in the preparation of the oil suspending agent is selected from one or more of calcium dodecyl benzene sulfonate, phenethyl phenol polyoxyethylene ether, oleate polyoxyethylene ether, castor oil polyoxyethylene ether, fatty alcohol polyoxyethylene ether, alkylphenol polyoxyethylene ether, fatty alcohol ethylene oxide condensate, polyoxyethylene sorbitol monooleate and alkylphenol polyether phosphate. It can also be used as special emulsifier for oil suspending agent such as bamboo oil YUS-110, GERONOL VO/05 OF Rodiya, 1573, 1577 OF Craiden, atlas G-1086 OF Heda, TANEMULL SL OF Tuonan chemical, OD-2208 OF Nanjing Hongkong, SP-OF3462 OF Jiangsu engine, etc. The general dosage is 8-30%.
The dispersant adopted in the preparation of the oil suspending agent is selected from one or more of alkyl naphthalene sulfonate, naphthalene sulfonic acid formaldehyde condensate sodium salt, sodium lignosulfonate and calcium lignosulfonate. Or directly using special dispersing agents OF auxiliary agents such as YUS-EP60P OF bamboo oil, AtloxMetasperse 550S OF Dacron, Atlox 4196, TANEMULL 1736 OF Tuonan chemical, Morwet D-500 OF Acksonobel, SK-560EP OF starfly chemical, SP-OF3472B OF Jiangsu Optimus and the like. The general dosage is 0.5-5%.
The thickening agent adopted in the preparation of the oil suspending agent is selected from one or more of organic bentonite, attapulgite, fumed silica and magnesium aluminum silicate. The general dosage is 0.5-5%.
The solvent (matrix oil) adopted in the preparation of the oil suspending agent is selected from one or more of soybean oil, methyl oleate, fatty acid methyl ester and rosin-based oil. The general dosage is 30-92%.
6. The water dispersible granule product of the invention can be processed in the following way: the water dispersible granule product is prepared by uniformly mixing the fluvalinamide technical, the prohexadione calcium technical, the dispersing agent, the wetting agent, the disintegrating agent and the carrier which are weighed correctly according to the feeding dosage ratio, then obtaining wettable fine powder through an air flow pulverizer, uniformly mixing the fine powder and an aqueous solution containing a binding agent, and then carrying out extrusion granulation, drying and screening.
The following additives can be used in the preparation of the water dispersible granule:
the dispersant adopted in the preparation of the water dispersible granule is selected from one or more of alkyl naphthalene sulfonate, naphthalene sulfonic acid formaldehyde condensate sodium salt, sodium lignosulfonate, calcium lignosulfonate and acrylic copolymer salt. The general dosage is 2-10%.
The wetting agent adopted in the preparation of the water dispersible granule is selected from one or more of sodium dodecyl sulfate, sodium dodecyl benzene sulfonate, fatty alcohol-polyoxyethylene ether sodium sulfate, dioctyl sodium sulfosuccinate, dialkyl sodium sulfosuccinate, dibutyl sodium naphthalene sulfonate, alkylphenol polyoxyethylene ether or fatty alcohol-polyoxyethylene ether. The general dosage is 1 to 10 percent.
The disintegrating agent adopted in the preparation of the water dispersible granule is selected from one or more of anhydrous sodium sulfate, sodium chloride, calcium chloride, ammonium sulfate and urea. The general dosage is 2-20%.
The binder adopted in the preparation of the water dispersible granule is selected from one or more of carboxymethyl cellulose, starch, gelatin, polyethylene glycol, polyvinyl alcohol and polyvinylpyrrolidone. The general dosage is 1 to 5 percent.
The carrier adopted in the preparation of the water dispersible granule is selected from one or more of kaolin, light calcium carbonate, bentonite, diatomite, talcum powder, argil and white carbon black. The general dosage is 1 to 90 percent.
In addition, the strawberry vigor control medicament containing the flumetralin and the prohexadione calcium can be applied independently or together with a pesticide and a bactericide and a plant nutrient or sequentially to the strawberry vigor control and yield increase.
The field test proves that the vigorous growth controlling agent taking the flumetralin and the prohexadione calcium as the effective components obviously improves the transplanting survival rate and the yield increasing rate and shows better synergistic effect compared with the flumetralin and prohexadione calcium single agent.
Compared with the existing strawberry vigorous-control medicament, the strawberry vigorous-control medicament has the following advantages:
(1) the combination of the flumetralin and the prohexadione calcium is mild to control the growth of the strawberries compared with the paclobutrazol, and the situations of shrinking of branches and leaves of the strawberries and the like can not be caused.
(2) The retention period of the flumetralin and the prohexadione calcium in the soil is short, the emergence rate is not influenced, and the retention period of the paclobutrazol soil is long, so that the growth of the next-stubble crops can be inhibited, and the normal emergence of the crops can be influenced;
(3) compared with paclobutrazol, the product of the invention has low requirements on the use technology and has wider popularization and application prospects.
Detailed Description
The invention is described in connection with specific formulation examples and application examples, but is not limited to these examples. All percentages in the formulation are by weight.
Example 1: aqueous suspension of 15% flumetralin and 15% prohexadione calcium
Weighing 15 g of flumetralin, 15 g of prohexadione calcium, 3 g of polycarboxylate, 2 g of triethanolamine tristyrenylphenol polyether phosphate, 0.2 g of xanthan gum, 0.5 g of sodium benzoate, 4 g of glycol, 0.2 g of defoaming agent and the balance of water, and grinding by a sand mill to prepare the water suspending agent.
The field flourishing control test in the strawberry seedling stage is carried out in a nursery garden of Jiande City in Zhejiang province in 2016, the variety to be tested is Octopus, and the water and fertilizer management and the disease and pest control are carried out according to the conventional treatment. In the nursery period, 15% of flumetralin and 15% of prohexadione calcium suspending agent, 15% of prohexadione calcium wettable powder, 25% of flumetralin water suspending agent, 15% of paclobutrazol wettable powder and clear water are respectively used, the water adding amount per mu is 30 kilograms, and the concentration of the active ingredients is 200 ppm.
The specific experimental effects are shown in table 1 below:
1, the aberration rate of branches and leaves is compared with that of a control, the seedlings with the branches and leaves being curled and shrunk account for the proportion of the whole treatment quantity;
2. the new rate of lateral bud increase is (number of lateral buds after drug administration-number of lateral buds before drug administration)/number of lateral buds before drug administration × 100%.
As can be seen from the table 1, the 15% flumetralin and 15% prohexadione calcium aqueous suspension can effectively control the height of the strawberry plant and prevent the strawberry seedlings from growing tall, thereby improving the transplanting survival rate of the strawberry and the yield of the strawberry.
Example 2: 15% fluvalicarb + 25% prohexadione calcium water dispersible granule
Weighing 15 g of flumetralin, 25g of prohexadione calcium, 3 g of lauryl sodium sulfate, 3 g of polycarboxylate, 2 g of naphthalenesulfonate, 10 g of ammonium sulfate and the balance of kaolin, carrying out air flow crushing, adding water, kneading, granulating and drying to obtain the water dispersible granule.
The field flourishing control test in the strawberry seedling stage is carried out in 2016 and 6 months in a nursery garden in the city of Sichuan province, the tested variety is red, and the water and fertilizer management and the disease and pest control are carried out according to the conventional treatment. In the nursery period, 15% of flumetralin and 25% of prohexadione calcium water dispersible granules, 15% of prohexadione calcium wettable powder, 25% of flumetralin water suspending agent, 15% of paclobutrazol wettable powder and clear water are respectively used, the water adding amount per mu is 30 kilograms, and the concentration of the active ingredients is 200 ppm.
The specific experimental effects are shown in table 2 below:
example 3: dispersible oil suspension agent containing 10% flumetralin and 8% prohexadione calcium
Weighing 10 g of flumetralin, 8 g of prohexadione calcium, 5g of anhydrous calcium salt, 5g of fatty alcohol polyether, 3 g of tristyrenol polyoxyethylene polyoxypropylene ether, 1 g of organic soil and the balance of methyl oleate, and grinding to obtain the dispersible oil suspending agent.
The field flourishing control test in the seedling stage of the strawberries is carried out in a nursery garden in Hongkong city in Liaoning 6 months in 2016, the tested varieties are added with fragrance to red sleeves, and the water and fertilizer management and the disease and pest control are carried out according to the conventional treatment. In the nursery period, 15% of flumetralin and 25% of prohexadione calcium water dispersible granules, 15% of prohexadione calcium wettable powder, 25% of flumetralin water suspending agent, 15% of paclobutrazol wettable powder and clear water are respectively used, the water adding amount per mu is 30 kilograms, and the concentration of the active ingredients is 200 ppm.
The specific experimental effects are shown in table 3 below:
from the results of the field efficacy test of a plurality of strawberry varieties in the south and north of tables 1, 2 and 3, the vigorous growth control agent with flumetralin and prohexadione calcium as effective components can effectively control the strawberry plant height, has obvious contrast difference with clear water in the aspects of transplanting survival rate and yield increase, shows excellent vigorous growth control and yield increase effects, and increases the yield by 9.7-12% per mu.
In addition, compared with a single agent of fluvalinate and prohexadione calcium, the vigorous growth control agent taking fluvalinate and prohexadione calcium as effective components obviously improves the transplanting survival rate and the yield increase rate, and shows better synergistic effect.
The vigorous growth controlling agent taking the flumetralin and the prohexadione calcium as effective components has no phytotoxicity symptom on strawberry seedlings, does not have branch and leaf deformity relative to paclobutrazol, and shows better safety.
The above examples are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above examples, and the use of the strawberry vigor control agent obtained by simply adjusting the above schemes is also within the scope of the present invention.
Claims (3)
1. The strawberry vigor control medicament is characterized by comprising the effective components of flumetralin and prohexadione calcium in a weight ratio of 30: 1-1: 30, wherein the weight percentage of the total weight of the flumetralin and the prohexadione calcium in the strawberry vigor control medicament is 5-80%.
2. The strawberry vigor control agent according to claim 1, wherein the strawberry vigor control agent is in the form of wettable powder, water dispersible granules, water suspension, dry suspension, suspoemulsion or dispersible oil suspension.
3. The strawberry vigor control agent of claim 2, wherein: the strawberry vigorous-growth controlling medicament is applied independently or together with an insecticidal bactericide and a plant nutrient or applied sequentially.
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| CN110710531A (en) * | 2018-07-11 | 2020-01-21 | 江苏龙灯化学有限公司 | Method for increasing cotton yield and/or improving fiber quality |
| CN110710533B (en) * | 2018-07-11 | 2021-07-20 | 江苏龙灯化学有限公司 | Plant growth regulator composition containing flumetralin and prohexadione calcium |
| CN111034727B (en) * | 2018-10-12 | 2021-07-20 | 江苏龙灯化学有限公司 | Peanut vigorous growth controlling agent and peanut vigorous growth controlling method |
| CN111034723B (en) * | 2018-10-12 | 2021-07-20 | 江苏龙灯化学有限公司 | Tip control agent for fruit trees and grapes and tip control method for fruit trees and grapes |
| CN111034728B (en) * | 2018-10-12 | 2021-07-16 | 江苏龙灯化学有限公司 | Tobacco axillary bud inhibitor and tobacco axillary bud inhibition method |
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| CN1355672A (en) * | 1999-06-17 | 2002-06-26 | 巴斯福股份公司 | Method of increasing content of flavonoids and phenolic substances in plants |
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