CN105230614A - Fruiting-period Kiwi berry pesticide, and preparation method thereof - Google Patents

Abstract

The invention discloses a fruiting-period Kiwi berry pesticide, and a preparation method thereof. The fruiting-period Kiwi berry pesticide is prepared from, by weight, Litsea cubeba (Lour.) Pers., n-hexane, 95 to 98% concentrated sulfuric acid, propylene glycol, plant ash, spinosad, triadimefon, castor leaf, cortex pseudolaricis, jujube bark, folium artemisiae argyi, methyl alcohol, pyrethrum flower, peanut oil, and an appropriate amount of water. According to the preparation method, a large amount of plant antibacterial ingredients are added so as to reduce adding amount of additional pesticides, and reduce sedimentation of toxin on leaves; biological active ingredients are prepared, and active ingredients are extracted from Litsea cubeba (Lour.) Pers., so that retain time of the fruiting-period Kiwi berry pesticide on leaves is prolonged, bactericidal effect is excellent, and damage on Kiwi berry fruitlets caused by pesticides is reduced; shaping of Kiwi berry fruitlets is influenced by too strong irritation and too high toxicity; agents with too strong irritation and too high toxicity are seldom used in the preparation method; the fruiting-period Kiwi berry pesticide is capable of killing pests and treating disease quickly and accurately, and is beneficial for health growth of fruitlets.

Description

A kind of fruiting period kiwi fruit pesticide control and preparation method thereof

Technical field

The invention belongs to the technology field of agricultural chemicals, specifically belong to a kind of fruiting period kiwi fruit pesticide control and preparation method thereof.

Background technology

In recent years, China uses 1,000,000 tons, agricultural chemicals control area to reach the crops of more than 300,000,000 hectares every year, plant protection service is that agricultural foison has made tremendous contribution, serve the effect escort, but due to the operation technique of agricultural chemicals and the research wretched insufficiency of technical measures, ignore target organisms behavioral study and generally adopt Large Copacity, the reasons such as large droplet spray technique, China's pesticide efficacy is low, the agricultural chemicals shed by spraying equipment only has 20 ~ 30% can be deposited on crop, be equivalent to the average level of developed country 50%, poor efficiency in Pesticide use, not only waste a large amount of agricultural chemicals, a large amount of pesticidal preparations is also made to be lost in non-target environment, cause person poultry poisoning, environmental pollution, Practice for Pesticide Residue in Agricultural Products amount increases.

The poor efficiency of Pesticide use also has much relations with pesticide processing technical research deficiency, China has become pesticide producing big country, but domestic preparation, the research of formulation and the quality of product compared with abroad appoint there is a big difference, main manifestations is that dispersive property is poor, suspensibility is low, the aspects such as heat storage resolution ratio is high, some formulations are because of wettability, the reasons such as permeability and blade face deposition difference cause drug effect unstable, be equivalent to a part of kind and be obviously worse than same kind of products at abroad in resistance of rainwater washing against and viscosity etc., as domestic pesticide suspension concentrate ubiquity bleed, multiviscosisty, deposition, the problems such as the bin stabilities such as caking.Occur the main cause of this phenomenon except the kind quality and quantity with China agricultural chemicals medicinal surfactant compared with developed countries gap greatly except, also not enough etc. relevant with action of agricultural chemicals study mechanism to just surface-active agent with us.

Summary of the invention

In order to alleviate Pesticidal products bad dispersibility, suspensibility is low, and degraded slowly, the problems such as residual height, the present invention adds a kind of bioactive surface reactive material by modification, improves the result of use of pesticidal preparations, lower Pesticide use frequency, realize particular by following methods:

A kind of fruiting period kiwi fruit pesticide control, it is characterized in that, be made up of the raw material of following weight portion: the concentrated sulfuric acid 2 ~ 4 of the fruit of a cubeb litsea tree 10 ~ 16, n-hexane 1.5 ~ 2.5,95 ~ 98%, propane diols 1 ~ 3, ash 6 ~ 8, multiple killing teichomycin 20 ~ 25, triazolone 15 ~ 20, castor bean leaf 8 ~ 12, corter pseudolaricis 7 ~ 10, common jujube bark 15 ~ 20, wormwood 5 ~ 9, methyl alcohol 30 ~ 45, pyrethrum flowers 10 ~ 15, peanut oil 12 ~ 18 and appropriate water;

A preparation method for fruiting period kiwi fruit pesticide control, is characterized in that, comprises following step:

(1) fruit of a cubeb litsea tree is pulverized through preliminary, then add the water of 2 ~ 3 times of its weight portions, add n-hexane, decoct 2 ~ 2.5h, the cooking liquor of filtration, continue heating 2 ~ 3.5h and concentrate, finally add 95 ~ 98% concentrated sulfuric acids, be heated to 80 ~ 90 DEG C, after insulated and stirred 15 ~ 30min, obtain extract;

(2) castor bean leaf, corter pseudolaricis, common jujube bark, wormwood and pyrethrum flowers is mixed, first preliminary pulverizing, then extremely dry through 100 ~ 120 DEG C of high-temperature baking 8 ~ 10h, the powder of ultramicro grinding to 180 ~ 200 mesh sieve, join in methyl alcohol, add the water of total amount 20 ~ 25% simultaneously, be warming up to 70 ~ 80 DEG C, utilize the process of ultrasonication crusher machine to obtain slurries;

(3) to the slurries described in (2) carry out centrifugal after supernatant, after leaving standstill 20 ~ 25min, low pressure evaporation backflow is carried out to supernatant, obtain concentrate, add peanut oil, ash, propane diols, be placed in closed reactor, high speed centrifugation shear-mixed 15 ~ 25min, finally in uniform emulsion;

(4) finally mix multiple killing teichomycin and other residual components, be added in the emulsion described in (3), stir.

Litsea cubeba oil mainly concentrates in pericarp, and the residue main component after pulverizing is fruit of a cubeb litsea tree kernel, and in these kernels, containing natural grease, crude protein, raw fiber and the material such as calcium, phosphorus, wherein natural oil reaches 25 ~ 28%.The present invention obtains a certain amount of natural surface reactive material by decoction-pulverizing-squeezing-rough acid refining, wherein in the process decocted, add a certain amount of organic solvent-normal hexane, accelerate the speed of stripping grease and improve extraction efficiency, a certain amount of concentrated sulfuric acid is added after completing, add the acid refining of stirring and carrying out litsea cubeba kernel oil, containing various surface reactive material in products therefrom, as lauric acid Sulfates, metal carboxylate, the a series of surface reactive material such as alkanolamide, alkanolamide wherein has stronger anti-hydrolytic performance, there is significant foam enhancing, steady bubble, the effects such as thickening.

Utilize the surface reactive material of fruit of a cubeb litsea tree extracting natural, reduce the use of chemically reactive substance, reduce the use of the non-renewable energies such as oil, use the surfactant that chemistry refines simultaneously, more or less introduce unnecessary impurity, contaminated environment, after adding the surface reactive material of natural extraction, significantly can accelerate the contact of agricultural chemicals and the wax coat page, significantly stick together on blade simultaneously, retention time is more of a specified duration, and vermins-proof effect is more obvious, reduces the usage amount from agricultural chemicals from the side.

Beneficial effect of the present invention: add multiple killing teichomycin, multiple killing teichomycin is a kind of microbial metabolic products, belongs to macrolides compound, is the insecticide of a kind of low toxicity, efficient, spectrum.Insecticidal action mechanism acts on insect acetylcholine receptor, not only has efficient insecticidal properties, again to the characteristic having beneficial insect and mammalian safe.

Add plants antimicrobial composition in a large number, reduce the interpolation of the sick worm poison of foreign aid, reduce the deposition of toxin on blade, special bioactive ingredients, active component is extracted from Heaven's, be conducive to agricultural chemicals on blade, stop the longer time, bactericidal effect is remarkable, avoid agricultural chemicals to the injury of newborn kiwi fruit young fruit, excitant is excessively strong, toxicity crosses big city affects the impact shaping in the future of the tender fruit of immature kiwi fruit, just in time seldom use this kind of medicament in invention, can destroy plant diseases and insect pests fast and accurately by ditch, also help growing up healthy and sound of young fruit.

Embodiment

Embodiment 1:

A kind of fruiting period kiwi fruit pesticide control, it is characterized in that, be made up of the raw material of following weight portion (Kg): the concentrated sulfuric acid 3 of the fruit of a cubeb litsea tree 16, n-hexane 2,95 ~ 98%, propane diols 1, ash 6, multiple killing teichomycin 20, triazolone 15, castor bean leaf 12, corter pseudolaricis 7, common jujube bark 15, wormwood 5, methyl alcohol 40, pyrethrum flowers 10, peanut oil 16 and appropriate water;

A preparation method for fruiting period kiwi fruit pesticide control, is characterized in that, comprises following step:

(1) fruit of a cubeb litsea tree is pulverized through preliminary, then add the water of 2 ~ 3 times of its weight portions, add n-hexane, decoct 2 ~ 2.5h, the cooking liquor of filtration, continue heating 2 ~ 3.5h and concentrate, finally add 95 ~ 98% concentrated sulfuric acids, be heated to 80 ~ 90 DEG C, after insulated and stirred 15 ~ 30min, obtain extract;

(2) castor bean leaf, corter pseudolaricis, common jujube bark, wormwood and pyrethrum flowers is mixed, first preliminary pulverizing, then extremely dry through 100 ~ 120 DEG C of high-temperature baking 8 ~ 10h, the powder of ultramicro grinding to 180 ~ 200 mesh sieve, join in methyl alcohol, add the water of total amount 20 ~ 25% simultaneously, be warming up to 70 ~ 80 DEG C, utilize the process of ultrasonication crusher machine to obtain slurries;

(3) to the slurries described in (2) carry out centrifugal after supernatant, after leaving standstill 20 ~ 25min, low pressure evaporation backflow is carried out to supernatant, obtain concentrate, add peanut oil, ash, propane diols, be placed in closed reactor, high speed centrifugation shear-mixed 15 ~ 25min, finally in uniform emulsion;

(4) finally mix multiple killing teichomycin and other residual components, be added in the emulsion described in (3), stir.

A kind of fruiting period kiwi fruit pesticide control of the present invention is used for the main pesticidal preparations of the extermination of disease and insect pest of kiwi fruit young fruit period; by the medicament of invention during use; add the water dilution of 1500 ~ 2000 times; then be evenly sprayed on kiwi fruit blade with the form of spraying; result proves: the pesticidal preparations of invention, effectively prevents the generation of kiwi fruit damage by disease and insect, and efficiently useful biotic component also well protects blade and young fruit; when fruit comparatively uses conventional pesticide, growing way is better, and safety of tasting is relieved.

Claims (2)

1. a fruiting period kiwi fruit pesticide control, it is characterized in that, be made up of the raw material of following weight portion: the concentrated sulfuric acid 2 ~ 4 of the fruit of a cubeb litsea tree 10 ~ 16, n-hexane 1.5 ~ 2.5,95 ~ 98%, propane diols 1 ~ 3, ash 6 ~ 8, multiple killing teichomycin 20 ~ 25, triazolone 15 ~ 20, castor bean leaf 8 ~ 12, corter pseudolaricis 7 ~ 10, common jujube bark 15 ~ 20, wormwood 5 ~ 9, methyl alcohol 30 ~ 45, pyrethrum flowers 10 ~ 15, peanut oil 12 ~ 18 and appropriate water.

2. the preparation method of a kind of fruiting period kiwi fruit pesticide control according to claim 1, is characterized in that, comprise following step:

(1) fruit of a cubeb litsea tree is pulverized through preliminary, then add the water of 2 ~ 3 times of its weight portions, add n-hexane, decoct 2 ~ 2.5h, the cooking liquor of filtration, continue heating 2 ~ 3.5h and concentrate, finally add 95 ~ 98% concentrated sulfuric acids, be heated to 80 ~ 90 DEG C, after insulated and stirred 15 ~ 30min, obtain extract;

(2) castor bean leaf, corter pseudolaricis, common jujube bark, wormwood and pyrethrum flowers is mixed, first preliminary pulverizing, then extremely dry through 100 ~ 120 DEG C of high-temperature baking 8 ~ 10h, the powder of ultramicro grinding to 180 ~ 200 mesh sieve, join in methyl alcohol, add the water of total amount 20 ~ 25% simultaneously, be warming up to 70 ~ 80 DEG C, utilize the process of ultrasonication crusher machine to obtain slurries;

(3) to the slurries described in (2) carry out centrifugal after supernatant, after leaving standstill 20 ~ 25min, low pressure evaporation backflow is carried out to supernatant, obtain concentrate, add peanut oil, ash, propane diols, be placed in closed reactor, high speed centrifugation shear-mixed 15 ~ 25min, finally in uniform emulsion;

(4) finally mix multiple killing teichomycin and other residual components, be added in the emulsion described in (3), stir.