CN105272561A - High efficiency and low toxicity citrus shoot killing element with fertilizer efficiency and preparation method thereof - Google Patents

Abstract

The invention relates to a high efficiency and low toxicity citrus shoot killing element with fertilizer efficiency. The high efficiency and low toxicity citrus shoot killing element comprises the following components by weight: 0.01-0.05 of polygonum cuspidatum extract dry powder, 5-10 of asarone, 15-25 of 20% humic acid, 20-30 of 46% urea, 5-8 of monoammonium sulfate, 3-6 of fluoroglycofen-ethyl, 5-10 of Lactofen, 2-5 of a JFC penetrant, 10-20 of xylene, 20-40 of methanol, 8-10 of an emulsifier 2201, 2-5 of diphenylphosphoryl azide, and 10-15 of water. Compared with the prior art, the high efficiency and low toxicity citrus shoot killing element has fertilizer efficiency and insecticidal effect, can better promote yield increase, has low component toxicity and high safety, has small harm on human body in the process of production and use. By combining fluoroglycofen-ethyl with Lactofen in application, the cost is low and the effect is good, the shoot killing rate is up to 100%, the yield increase is up to more than 20%, and only one time shoot killing is needed.

Description

The high-efficiency low-toxicity citrus having fertilizer efficiency concurrently kills tip element and preparation method thereof

Technical field

The present invention relates to and kill the tip, specifically a kind of high-efficiency low-toxicity citrus having fertilizer efficiency concurrently kills tip element and preparation method thereof.

Background technology

Controlling tip of branch of citrus kills the effective means that the tip is regulation and control citrus tip fruit contradiction.Because citrus leaf is thick, surperficial wax is thick, thus current most control shoot to kill tip product undesirable to citrus effect.Even some special controlling tip of branch of citrus kill tip product, also there is a lot of problem.

CN10137568A provides a kind of agent for controlling tip of branch of citrus, is made up of the raw material of following weight proportion: glyphosate 10% effective constituent aqua 375ml, 2.4-D85% effective constituent pulvis 1g, and 12.5ml is formulated for Butachlor technical 92 50% effective constituent aqua.But the poisoning that glyphosate causes happens occasionally, its use is being subject to increasing restriction.Butachlor technical 92 is poor to the rear Weed-control effect that is unearthed, to the anti-heterodyne of most of broadleaf weeds, thus undesirable to the effect of citrus, and it is to high malicious to fish in addition, and its use also receives restriction.

CN101904334A provides a kind of preparation for orange bud picking control shoot, for killing oranges and tangerines bud and the tender tip is effective, component comprises: lactofen 10 ~ 20 parts, solvent 1: dimethylbenzene 20 ~ 40 parts, solvent 2: propyl alcohol and/or benzene 10 ~ 20 parts, builder: one or more arbitrary combination of triton x-100, sulfonated lignin, agricultural organic silicon surfactant, calcium dodecylbenzene sulphonate, alkylphenol polyoxyethylene, Octachlorodipropyl Ether are 30 ~ 60 parts; Bud mortality ratio reaches 100%, and the tender tip and half ripe young sprout mortality ratio reach more than 95%, fruit volume increase 18.2% ~ 52.3%; Other tissue such as citrusfruit and ripe branches and leaves or organ are had no side effect.Its defect employs poisonous and harmful substances benzene and Octachlorodipropyl Ether in composition, the former is carcinogenic substance, the latter has greater risk and harm to person poultry safety in production, use procedure, the Ministry of Agriculture issues " strengthening the management containing Octachlorodipropyl Ether Pesticidal products ", determine from 1 day March in 2007, cancel all Pesticidal products containing Octachlorodipropyl Ether ratified and register; From 1 day January in 2008, the Pesticidal products containing Octachlorodipropyl Ether must not be sold.The price of lactofen and dimethylbenzene is high in addition, and the cost of said preparation is remained high.

Summary of the invention

Killing tip effect to reach desirable, realizing volume increase, reduce costs and guarantee safety, the object of this invention is to provide a kind of high-efficiency low-toxicity citrus having fertilizer efficiency concurrently and kill tip element.

Of the present inventionly realize goal of the invention by following proposal.

The high-efficiency low-toxicity citrus having fertilizer efficiency concurrently kills tip element, and its components by weight percent is: Rhizoma Polygoni Cuspidati extract dry powder: 0.01 ~ 0.05, trans-Isoasarone: 5 ~ 10,20% humic acids: 15 ~ 25,46% urea: 20 ~ 30, monoammonium sulfate: 5 ~ 8, fluoroglycofenethyl: 3 ~ 6, lactofen: 5 ~ 10, JFC class permeate agent: 2 ~ 5, dimethylbenzene: 10 ~ 20, methyl alcohol: 20 ~ 40, emulsifying agent 2201:8 ~ 10, diphenyl phosphate azide: 2 ~ 5, water: 10 ~ 15.

The components by weight percent of optimal technical scheme is: Rhizoma Polygoni Cuspidati extract dry powder: 0.03, trans-Isoasarone: 8,20% humic acids: 20,46% urea: 25, monoammonium sulfate: 7, fluoroglycofenethyl: 5, lactofen: 8, JFC class permeate agent: 3, dimethylbenzene: 10, methyl alcohol: 30, emulsifying agent 2201:9, diphenyl phosphate azide: 3, water: 10.

Diphenyl phosphate azide (DPPA) has dewaxing effect, produces and speeds the effect of killing the tender tip.

Giant knotweed has obvious effect as plant-growth regulator aspect, has promoter action, and have certain restraining effect when Rhizoma Polygoni Cuspidati extract concentration is higher to plant-growth when Rhizoma Polygoni Cuspidati extract concentration is lower to plant-growth.Pulverize dry to giant knotweed herb, add triplication ethanol, lixiviate was filtered after 12 hours, and filtrate is concentrated into finite concentration with Rotary Evaporators, then carried out spraying dry, obtained Rhizoma Polygoni Cuspidati extract dry powder.

Lactofen, chemical name: O-(5-(the chloro-α of 2-, α, the chloro-p-tolyloxy of α-three)-2-oil of mirbane formyl)-DL-LACTIC ACID ethyl ester, diphenyl ether herbicide, former medicine be Dark grey to maroon-colored liquid, content >=60%, for before selectivity bud and post-emergence herbicide, prevent and kill off broadleaf weeds for cereal crop, corn, cotton, peanut, tomato, paddy rice, Soybean Field.This medicine is high to eugonic weeds activity before 4 leaf phases.

Trans-Isoasarone (Asarone) has another name called propenyl-2,4,5-trimethoxy beozene (α-Asarone, Asarin, Asarumcamphor, Asarabaccacamphor).Be present in the volatile oil of the plants such as sweet grass (AcoruscalamusL), Rhizome of Grass leaf Sweelflag (A.gramineusSoland), Radix Dauci Sativae (Dau-cuscarotaL), asarum europeum (AsarumeuropacumL), Twoanther Mosla (M.asaniferum), Lappula echinata (Carp-esiumabrotanoidesL).Micro-yellow crystal, water insoluble, be dissolved in the organic solvents such as ethanol, vinyl acetic monomer, ether and chloroform.Trans-Isoasarone has preferably stifling, action of contace poison to mythimna separata, has stronger action of contace poison to black peach aphid, cabbage caterpillar, has certain to fumigate, avoid and keep away and population inhibition sitophilus zea-mais.Trans-Isoasarone is fat-soluble good, easily by blade face wax, plays the effect of short infiltration synergy.

The full name of JFC class permeate agent is fatty alcohol-polyoxyethylene ether, belongs to nonionogenic tenside.Permeate agent, as the term suggests be osmosis, be also have fixing hydrophilic and oleophilic group, align, and can make the material that surface tension significantly declines in the surface energy of solution.Outward appearance is colourless to pale yellow transparent thick liquid, soluble in water, acidproof, alkaline-resisting, chlorine-resistant, heat-resisting, resistance to hard water, resistance to metal-salt.Wettability, rewetting are all good, and have emulsification and washing effect.Can be mixed with various surfactants, be easy to cleaning.Mainly contain JFC, JFC-1, JFC-2, JFC-E etc.

In said components, humic acids, urea, monoammonium sulfate have the effect of protection Lao Ye, flower, fruit; For Lao Ye, flower, fruit provide nutrition, increasing both production and income.Except the composition of tip effect comprises: fluoroglycofenethyl, lactofen, JFC class permeate agent and diphenyl phosphate azide.Fluoroglycofenethyl, to people and animals' low toxicity, is contact killing type weedicide after seedling, after spraying, run into temperature too high or on crop local touch medicine too much time, owing to not having Uptake and translocation effect, without any injury, do not cause the underproduction.Lactofen is high to eugonic broadleaf weeds activity before 4 leaf phases.JFC class permeate agent wettability, rewetting are all good, play osmosis.Diphenyl phosphate azide has the effect speeding and kill the tender tip.Trans-Isoasarone has the synergism promoting infiltration, also has insecticidal action simultaneously.Dimethylbenzene, methyl alcohol, auxiliary agent emulsifying agent 2201 keep solution transparent, even, stable, both can improve manufacturability in the course of processing, can ensure again the stability of product.Humic acids also has sequestering action, makes nutritive ingredient be not easy change loss, slow releasing on Lao Ye, flower, fruit, for a long time longer for crop provides nutrition, produces very large effect to increasing both production and income.Methyl alcohol and dimethylbenzene with the use of, fluoroglycofenethyl and lactofen with the use of, due to the low price of methyl alcohol and fluoroglycofenethyl, be conducive to reducing costs.

Therefore, the high-efficiency low-toxicity citrus having fertilizer efficiency concurrently of the present invention kills tip element, except tip efficiency is high; only killing effect is produced to the tender tip, flower, fruit, tree body are had no adverse effects, when spraying the tender tip; good protection flower, fruit and fruit tree, also have fertilizer efficiency and desinsection concurrently, can promote volume increase better.Composition toxicity is very low, and security is high, little to harm in production and use procedure.Compared to present technology, it is effective that citrus kills tip element, and application fluoroglycofenethyl and lactofen conbined usage, not only cost is low but also effective, and kill tip rate up to 100%, units increased in production, up to more than 20%, once kills the tip.

When using the high-efficiency low-toxicity citrus having fertilizer efficiency concurrently of the present invention to kill tip element, adopt spraying method.Be watered 2000 ~ 2500 times.Take care, people will be in the wind place, wears masks, and avoids suction port to neutralize and enters in eye, reduce skin contact.

The present invention also provides the above-mentioned high-efficiency low-toxicity citrus having fertilizer efficiency concurrently to kill the preparation method of tip element.

The method comprises following key step:

A, fluoroglycofenethyl, lactofen, trans-Isoasarone are joined in the mixed solvent of dimethylbenzene and methyl alcohol and stir to CL, add diphenyl phosphate azide to continue to stir to CL, adding emulsifying agent 2201 to continue to stir to CL, is component one, stand-by;

B, get proportional quantity 1/3 ~ 2/3 water, adding Rhizoma Polygoni Cuspidati extract dry powder, 20% humic acids, 46% urea, monoammonium sulfate, JFC class permeate agent, stir to CL, is component two, stand-by;

C, component two is slowly added in component one stirs, add remaining water, stir evenly.

Further, the stirring velocity in steps A, B, C is 100 ~ 300 revs/min.

Further, in step C, while being also included in stirring, component two is slowly added among component one.

Embodiment

Embodiment 1

Rhizoma Polygoni Cuspidati extract dry powder is taken: 0.03, trans-Isoasarone: 8,20% humic acids: 20 according to following weight ratio, 46% urea: 25, monoammonium sulfate: 7, fluoroglycofenethyl: 5, lactofen: 8, JFC:3, dimethylbenzene: 10, methyl alcohol: 30, emulsifying agent 2201:9, diphenyl phosphate azide: 3, water: 10.

Then,

A, fluoroglycofenethyl, newborn fluorine dogstail ether, trans-Isoasarone are joined in the mixed solvent of dimethylbenzene and methyl alcohol and stir to CL, add diphenyl phosphate azide to continue to stir to CL, adding emulsifying agent 2201 to continue to stir to CL, is component one, stand-by;

B, get proportional quantity 1/3 ~ 2/3 water, adding Rhizoma Polygoni Cuspidati extract dry powder, 20% humic acids, 46% urea, monoammonium sulfate, JFC, stir to CL, is component two, stand-by;

C, while stirring component two is slowly added in component one and stirs, add remaining water, stir evenly have fertilizer efficiency concurrently high-efficiency low-toxicity citrus kill tip element.

Stirring velocity in steps A, B, C is 100 ~ 300 revs/min.

Embodiment 2

Rhizoma Polygoni Cuspidati extract dry powder is taken: 0.01, trans-Isoasarone: 5,20% humic acids: 15 according to following weight ratio, 46% urea: 20, monoammonium sulfate: 5, fluoroglycofenethyl: 3, lactofen: 5, JFC:2, dimethylbenzene: 10, methyl alcohol: 25, emulsifying agent 2201:8, diphenyl phosphate azide: 2, water: 10.

Then,

A, fluoroglycofenethyl, newborn fluorine dogstail ether, trans-Isoasarone are joined in the mixed solvent of dimethylbenzene and methyl alcohol and stir to CL, add diphenyl phosphate azide to continue to stir to CL, adding emulsifying agent 2201 to continue to stir to CL, is component one, stand-by;

B, get proportional quantity 1/3 ~ 2/3 water, adding Rhizoma Polygoni Cuspidati extract dry powder, 20% humic acids, 46% urea, monoammonium sulfate, JFC, stir to CL, is component two, stand-by;

C, while stirring component two is slowly added in component one and stirs, add remaining water, stir evenly have fertilizer efficiency concurrently high-efficiency low-toxicity citrus kill tip element.

Stirring velocity in steps A, B, C is 100 ~ 300 revs/min.

Embodiment 3

Rhizoma Polygoni Cuspidati extract dry powder is taken: 0.05, trans-Isoasarone: 10,20% humic acids: 25 according to following weight ratio, 46% urea: 30, monoammonium sulfate: 8, fluoroglycofenethyl: 6, lactofen: 10, JFC:5, dimethylbenzene: 15, methyl alcohol: 35, emulsifying agent 2201:10, diphenyl phosphate azide: 5, water: 15.

Then,

A, fluoroglycofenethyl, newborn fluorine dogstail ether, trans-Isoasarone are joined in the mixed solvent of dimethylbenzene and methyl alcohol and stir to CL, add diphenyl phosphate azide to continue to stir to CL, adding emulsifying agent 2201 to continue to stir to CL, is component one, stand-by;

B, get proportional quantity 1/3 ~ 2/3 water, adding Rhizoma Polygoni Cuspidati extract dry powder, 20% humic acids, 46% urea, monoammonium sulfate, JFC, stir to CL, is component two, stand-by;

C, while stirring component two is slowly added in component one and stirs, add remaining water, stir evenly have fertilizer efficiency concurrently high-efficiency low-toxicity citrus kill tip element.

Stirring velocity in steps A, B, C is 100 ~ 300 revs/min.

Claims (5)

1. the high-efficiency low-toxicity citrus having fertilizer efficiency concurrently kills tip element, and its components by weight percent is: Rhizoma Polygoni Cuspidati extract dry powder: 0.01 ~ 0.05, trans-Isoasarone: 5 ~ 10,20% humic acids: 15 ~ 25,46% urea: 20 ~ 30, monoammonium sulfate: 5 ~ 8, fluoroglycofenethyl: 3 ~ 6, lactofen: 5 ~ 10, JFC class permeate agent: 2 ~ 5, dimethylbenzene: 10 ~ 20, methyl alcohol: 20 ~ 40, emulsifying agent 2201: 8 ~ 10, diphenyl phosphate azide: 2 ~ 5, water: 10 ~ 15.

2. citrus according to claim 1 kills tip element, it is characterized in that: its components by weight percent is: Rhizoma Polygoni Cuspidati extract dry powder: 0.03, trans-Isoasarone: 8,20% humic acids: 20,46% urea: 25, monoammonium sulfate: 7, fluoroglycofenethyl: 5, lactofen: 8, JFC class permeate agent: 3, dimethylbenzene: 10, methyl alcohol: 30, emulsifying agent 2201: 9, diphenyl phosphate azide: 3, water: 10.

3. the high-efficiency low-toxicity citrus having fertilizer efficiency concurrently described in claim 1 or 2 kills the preparation method of tip element, comprises following key step:

A, fluoroglycofenethyl, lactofen, trans-Isoasarone are joined in the mixed solvent of dimethylbenzene and methyl alcohol and stir to CL, add diphenyl phosphate azide to continue to stir to CL, adding emulsifying agent 2201 to continue to stir to CL, is component one, stand-by;

B, get proportional quantity 1/3 ~ 2/3 water, adding Rhizoma Polygoni Cuspidati extract dry powder, 20% humic acids, 46% urea, monoammonium sulfate, JFC class permeate agent, stir to CL, is component two, stand-by;

C, component two is slowly added in component one stirs, add remaining water, stir evenly.

4. preparation method according to claim 3, is characterized in that: the stirring velocity in steps A, B, C is 100 ~ 300 revs/min.

5. preparation method according to claim 3, is characterized in that: in step C, while being also included in stirring, is slowly added among component one by component two.