CN1063021C

CN1063021C - Stemonine alcohol solution and preparation process thereof

Info

Publication number: CN1063021C
Application number: CN97121943A
Authority: CN
Inventors: 辛贵有
Original assignee: Individual
Current assignee: Individual
Priority date: 1997-11-27
Filing date: 1997-11-27
Publication date: 2001-03-14
Anticipated expiration: 2017-11-27
Also published as: CN1182540A

Abstract

The present invention relates to a stemonine alcohol solution which is characterized in that Chinese herbal medicines are used as raw materials, and then, the raw materials are circularly purified by an extracting solution; the weight ratio of the raw materials to the extracting solution is 1:2.5 to 3.5; effective alkaloids are extracted to form the stemonine alcohol solution. The raw materials comprise stemonae, common monkshood mother root, radices euphorbiae lantu, gleditsiae and tobacco leaves. The present invention has the advantages that the fluidity is good when the present invention is put in water, the present invention is light white liquid, and the wetting performance and the spreading performance of crop leaves are good when the present invention is sprayed on the crop leaves in normal quantity; the present invention can effectively prevent and treat various insect pests of fruit trees, vegetables, flowers, corn, etc., and the broad spectrum performance is good; the preventing and treating effect can reach more than 90% when the diluted concentration is from 1000 to 1500 times, and the longevity of residues is from 5 to 7 day. The stemonine alcohol solution of the present invention has low cost, and can replace import products; because insect pests are reduced, the ratio of certified products and the ratio of first-grade products of fruits and grain can be improved, and thus, the capability of increasing export to earn foreign currency is improved.

Description

Stemonine alcohol solution and preparation method thereof

The invention belongs to the pesticide industry technical field, relate in particular to agricultural chemicals that utilizes Chinese medicine production and preparation method thereof.

For many years people adopt hypertoxic chemical pesticide desinsection to crops, have residual hazard after making various crop results, and the edible back of people influence the healthy of people, the poisoning generation is often arranged again, thereby caused the great attention of the parties concerned.

The objective of the invention is to adopt the pure natural Chinese herbal medicine is raw material, purify to be equipped with nontoxic or low toxicity liquid, and the insect contact or edible after, the disorderly insect digestive system of its comprehensive drug, food refusal, suffer from vomiting and diarrhoea, played and tagged, control the non-harmful purpose of worm thereby stomach poison function has reached until death.

Content of the present invention is a kind of stemonine alcohol solution, it is characterized in that making raw material by following Chinese herbal medicine, with extract purification 2-4 time that circulates, the weight ratio of raw material and extract is 1: 2.5-3.5, extraction has effective alkaloid to form, and various herbal raw material proportioning percentage by weights are as follows: tuber of stemona 23-30% monkshood 10-15% root of langdu 20-25% Chinese honey locust 10-15% tobacco leaf 15-20%

The proportioning components weight ratio of extract is as follows: industrial alcohol 65-80% dimethylbenzene 10-15% synergist 5-10% surfactant 5-10%

Used synergist is OP-10, and surfactant is the BS-12 liquor.

The preparation method of stemonine alcohol solution is characterized in that taking the following step:

Herbal raw material packed into wait to purify in purifying jar, dimethylamino ethanol benzene extract is squeezed in the agitator tank composite with pump, was stirred 10-15 minute, from the agitator tank pump squeeze into purify jar in, circulation purification 2-4 time, at interval 2-3 hour pump beaten circulation primary, and all the other times are the stain bubble time, goes out extract in 24-30 hour, synergist and surfactant are mixed, stirred test pH ≈ 4, density 0.84 Baume degrees 36.5 20-30 minute.

Advantage product entry free-running property of the present invention is good, pale liquid, the conventional spray method is used on the crop leaf, moistening plate-out ability is good, it is effective to prevent and treat various pests such as fruit tree, vegetables, flowers, corn, broad spectrum activity is good, and diluted concentration is that 1000-1500 times of control efficiency can reach 90% above longevity of residure 5-7 days.Product effect of the present invention is remarkable, cheap, and alternative imported product owing to reduced insect pest, can improve the percentage of A-class goods and the ratio of first-grade products of fruit, grain, thus the ability of increasing foreign exchange earnings from exports.

Illustrate action principle of the present invention and experimental result further combined with embodiment below.

Embodiment one: pack into composite industrial alcohol 156 grams of extractor, dimethylbenzene 36 gram pumps of the tuber of stemona 25 gram, monkshood 10 grams, the root of langdu 20 grams, Chinese honey locust 10 grams, tobacco leaf 15 grams are squeezed into agitator tank, stirred 10 minutes, pump is squeezed into jar circulation of purifying and is purified 3 times, each 2 hours at interval, pump was beaten once the stain bubble 25 hours, went out extract, OP-10 24 gram synergist are mixed, BS-12 24 gram surfactants stirred 20 minutes, surveyed pH ≈ 4, density 0.84 Baume degrees 36.5.

Embodiment two: pack into composite industrial alcohol 250 grams of extractor, dimethylbenzene 35 gram pumps of the tuber of stemona 30 gram, monkshood 15 grams, the root of langdu 25 grams, Chinese honey locust 15 grams, tobacco leaf 20 grams are squeezed into agitator tank, stirred 15 minutes, pump is squeezed into jar circulation of purifying and is purified 4 times, each 3 hours at interval, pump was beaten once the stain bubble 30 hours, went out extract, OP-10 synergist 30 grams are mixed, the BS-12 surfactant stirred 30 minutes, surveyed pH ≈ 4, density 0.84 Baume degrees 36.5.

Product of the present invention and various crop close relative property are strong, easily transformed, but poisoning can not occur and burn leaf and the fallen leaves phenomenon, after insect contacts or eats by plant absorbing, its comprehensive drug, make the disorder of insect digestive system, do not take food food refusal, suffer from vomiting and diarrhoea, until death, play tag, stomach poison function, control the non-harmful again purpose of worm thereby reach.This product characteristics except that advantage with common drug, exclusive outstanding feature, usually agricultural chemicals all contains chemical composition, and is harmful to crop and people and animals, crop sprays the back poisoning, serious made leaf rolling even the underproduction reduction of income that comes off takes place easily.

Product of the present invention is tested in Zhao County, Hebei individual plant pear tree, 1000 times of liquid of water distribution, pear sucker killing rate 100% after 72 hours, the pear sucker mucous membrane disappeared chlorophyll concentration high compared with the control 25% in 2 hours, photosynthetic intensity increases by 30%, high 2.8 times to the resistance of scab, fruit quality improves 30%, and amount of increase in production is 19.5-21%, to the person poultry harmless, plant there is not poisoning.

Kill apple aphid at 1000 times of liquid of Gaocheng City, Hebei this product water distribution, 48 hours and 72 hours killing rates are respectively 85% and 93%, and the insect pest leaf roll launches gradually, and the lasting period is moderate, and is nuisanceless.1000 times of liquid of water distribution kill the pear sucker nymph, and 48 hours and 72 hours teleonymph mucous membranes disappear, and fruit noresidue poisoning is better than other agricultural chemicals, and the leaf roll after being injured is opened gradually, and are nuisanceless to crop, person poultry safety.

Use this product in the Wei County, Hebei pear sucker has been carried out the field drug test, water distribution 800-1000 times liquid, 48 hours and 72 hours control efficiency are more than 80% and more than 90%, 12 hours nymph mucus disappears after the medication, and is nuisanceless to crop safety.

This product to cabbage pieris, has remarkable prevention effect through the check of medicine inspecting institute of the Ministry of Agriculture, and it is better to observe this medicine quick-acting in the process of the test, and the spray medicine was promptly seen deinsectization in 2 hours, and the longevity of residure is desirable more on vegetables than short medicament, and killing rate is 98.2%.

This product can be widelyd popularize application through the test of Hebei province's Zhengding County plant protection measuring station in pollution-free vegetable, diluted concentration is 1000-1500 times, and killing rate is 100% after 3 days, proves its stomach toxicity and tags effective.

In Zhao County, the Hebei association for science and technology this product is proved that in indoor and five experimental tests of hen house this product insecticidal effect is good, in five minutes, the lethality of worm reaches 98%, and is harmless to people, animal, fowl.

Claims

1, a kind of stemonine alcohol solution, with the Chinese herbal medicine is raw material, with the extract purification that circulates, extracting has effective alkaloid to form, and it is characterized in that various herbal raw material proportionings: the tuber of stemona 25 grams, monkshood 10 grams, the root of langdu 20 grams, Chinese honey locust 10 grams, tobacco leaf 15 grams, the extractor of packing into is composite, and the proportioning components weight ratio of extract is as follows:

Industrial alcohol 65-80%, dimethylbenzene 10-15%, synergist 5-10%, surfactant 5-10%, the weight ratio of raw material and extract is 1: 2.5-3.5.

2, a kind of stemonine alcohol solution, with the Chinese herbal medicine is raw material, with the extract purification that circulates, extraction has effective alkaloid to form, and it is characterized in that various herbal raw material proportionings are: the tuber of stemona 30 grams, monkshood 15 grams, the root of langdu 25 grams, Chinese honey locust 15 grams, it is composite that tobacco leaf 20 restrains the extractor of packing into, and extract proportioning components weight ratio is as follows:

3, according to the preparation method of the stemonine alcohol solution of claim 1 or 2, it is characterized in that taking the following step:

With the herbal raw material tuber of stemona, monkshood, the root of langdu, Chinese honey locust, tobacco leaf is waited to purify in the purification jar of packing in proportion, squeezes into agitator tank in composite with pump ethanol 65-80%, dimethylbenzene 10-15% extract, stirred 10-15 minute, squeeze in the jar of purifying circulation purification 2-4 time, 2-3 hour at interval from the agitator tank pump, pump is beaten circulation primary, all the other times are the stain bubble time, go out extract in 24-30 hour, by raw material and extract weight ratio 1: 2.5-3.5 be mixed synergist 5-10% and surfactant 5-10%, stirred 20-30 minute, and promptly got stemonine alcohol solution.