AU2018229481B1 - Herbal pesticides - Google Patents

Abstract

Abstracts The present invention proposes a herbal pesticides which are almost non-toxic to human and the environment. The herbal pesticides extracted from the solution consisting of natural ingredients in an amount from 8 to 12% by weight of chili, from 8 to 12% by weight of garlic, from 8 to 12% by weight of ginger, from 8 to 12% by weight of lesser galangal, from 2 to 5% by weight of dried fruit of lebbek tree, and from 0.5 to 3% by weight of areca and from 50 to 55% by weight of 90% alcohol solution after being soaked at least from 75 to 100 days.

Description

HERBAL PESTICIDES

2018229481 13 Sep 2018

Technical Field

The present invention relates to pesticides, and particularly refers to herbal pesticides in which components of herbal pesticides is natural materials.

Background Art

At present, there are many chemical pesticides in the market which always affect the people’s health and the environment.

More specifically, if only plant protection products is used in control of pest, weed without combination with other control measures in the integrated control system and the plant protection products is used negligently, unscientifically, it will get lots of disadvantages, such as poisoning the spraying person, poisoning the beneficial animals, polluting the environment, causing the contaminated source of water, soil. Therefore, the tendency to return to organic agriculture with increased use of biopesticides and organic fertilizers in crop production is a global trend.

However, there have been many organic vegetable growing models that have encountered many difficulties in using traditional herbal pesticides for a variety of reasons, for examples: the main ingredients of traditional herbal pesticides include garlic, chili and ginger at the mixing ratio being not suitable, these ingredients are not soaked and not properly preserved. In particular, traditional herbal pesticides are less readily available in the market.

Therefore, there is a necessary demand for a new herbal pesticides that is highly effective in pest control, convenient to use and store, specifically safe.

Disclosure of Invention

An object of the present invention is to provide pesticides in which components are purely natural materials and available, easy to process and store but bringing highly effective to the crops.

2018229481 13 Sep 2018

Another object of the present invention proposes pesticides neither negatively affect human health, livestock and crops, nor cause pollution of ecological environment.

Still another object of the present invention is to provide pesticides which are saved costs and easy to use.

In order to achieve the objects described above, the present invention provides a herbal pesticides extracted from the solution consisting of natural ingredients in an amount from 8 to 12% by weight of chili, from 8 to 12% by weight of garlic, from 8 to 12% by weight of ginger, from 8 to 12% by weight of lesser galangal, from 2 to 5% by weight of dried fruit of lebbek tree, and from 0.5 to 3% by weight of areca and from 50 to 55% by weight of 90% alcohol solution after being soaked at least from 75 to 100 days.

According to a preferred embodiment, in which: chili is selected from chili pepper, is cleaned, picked out to drain, cut of the stalk and ground finely; dried garlic is peeled and ground; ginger is cleaned, picked out to drain, and ground; lesser galangal is cleaned, picked out to drain, thin sliced and ground; dried fruit of lebbek tree is treated preliminarily to remove stems and branches and pulverized into powder; and areca is ground finely into powder.

Detailed description of Invention

Hereinafter, the present invention will be further illustrated in the implemented examples. It should be noted that the present invention will not limited to the implemented examples is possible to amend, supple and modify properly by the person having ordinary skill in the technical field within the scope of the claims.

In nature there are many parts of plants such as seeds, tubers, fruits, leaves, etc., containing toxins, pesticides or substances that pests do not like. Since then, the inventors developed the idea of preparation the natural pesticides (herbs).

Accordingly, the present invention provides herbal pesticides consisting of chili, garlic, ginger, lesser galangal, fruit of lebbek tree, and areca and alcohol wherein contain spicy and high acidic contents. Therein:

2018229481 13 Sep 2018

Chili is characterized by capsaicin which is soluble in alcohol but insoluble in water. Therefore, the hotter the chili is, the more capsaicin is present in it, so when it is used as a herbal pesticides of the present invention, the type of chili is chosen as spicy as possible.

Garlic has natural fungicidal and pesticidal properties, and is effective in controlling pests such as aphids, ants, white flies, beetles, stem borers, caterpillars, snails, etc., So, garlic can treat some of diseases caused by the insects.

Ginger has antibacterial, antifungal, insect-resistant, anti-nematodes and insect repellent properties.

Lesser galangal has the properties of banishing insects such as aphids, cabbage damaged butterflies, mite, tomato damaged flies, fly insects, etc.

Fruit of lebbek tree are salty spicy in taste, slightly tempered according to oriental medicine, and contain strong toxicity when it is not dried.

Areca is used as medicine, especially has the ability to eradicate thrips, stem borers, long beetles, leaf rollers, etc..., corn aphids, soybean aphids, armyworm, taiwania circumdata on water spinach, common cutworm on the apple tree, red spider mite on citrus.

According to a preferred embodiment, the present invention proposes herbal pesticides extracted from the solution consisting of natural ingredients in an amount from 8 to 12% by weight of chili, from 8 to 12% by weight of garlic, from 8 to 12% by weight of ginger, from 8 to 12% by weight of lesser galangal, from 2 to 5% by weight of dried fruit of lebbek tree, and from 0.5 to 3% by weight of areca and from 50 to 55% by weight of 90% alcohol solution after being soaked at least from 75 to 100 days.

According to a preferred embodiment, the herbal pesticide of the present invention is prepared under the manufacturing process including the following steps:

Step 1: Preparing materials including: i) preparing materials consist of chili, dried garlic, lesser galangal, ginger; areca, dried fruit of lebbek tree, and alcohol 90%;

ii) preliminary treatment chili including: cleaning, picking out to drain, cutting of

2018229481 13 Sep 2018 stalk, and then grinding finely by using a conventional grinder such as a small grinder iii) preliminary treatment garlic including peeling and grinding; iv) preliminary treatment ginger including cleaning, picking out to drain; and grinding; v) preliminary treatment lesser galangal including cleaning, picking out to drain, then slicing thin and grinding; vi) preliminary treatment dried fruit of lebbek tree including treating preliminarily to remove stems and branches and pulverized into powder; and vii) preliminary treatment areca including grinding finely into powder.

Step 2: Implementation including: i) Mixing well a mixture of chili, garlic, ginger, lesser galangal, areca, dried fruit of lebbek tree being ground (according to rate of 1:1:1:1:0,2:0,4) with alcolhol 90% in a plastic container having closed cap; ii) storing (without incubation): the above mixture is soaked for a period of 70 to 100 days, at a temperature from 20 to 30°C, and stored in a cool place, away from direct sunlight. During this storage period, the best is that stirring is not conducted because if stirring is conducted, solution will evaporate, which leads to a decrease in the effective of the pesticides.

Step 3: Complete pesticide product including: i) filtering mixture solution in the second step to obtain pesticide solution; and ii) Storing in a sealed container and place in cool place.

Examples

The following is an example of manufacturing method of 30 liters herbal pesticide solution of the present invention, this method includes the following steps:

Step 1: Preparing materials

i) Preparing materials including chili 5kg, dried garlic 5kg, lesser galangal 5kg, ginger 5kg, areca 1kg, and dried fruit of lebbek tree 2kg; va 36 liters alcohol 90%;

ii) Preliminary treatment of chili including: cleaning, picking out to drain; then cutting of the stalk; grinding by a conventional grinder such as small grinder;

iii) Preliminary treatment of dried garlic including: peeling and grinding;

2018229481 13 Sep 2018 iv) Preliminary treatment of ginger including: cleaning; picking out to drain, and grinding;

v) Preliminary treatment of lesser galangal including cleaning, picking out to drain, then slicing thin and grinding;

vi) Preliminary treatment of dried fruit of lebbek tree including treating preliminarily to remove stems and branches and pulverized into powder; and vii) Preliminary treatment of areca including grinding finely into powder.

Step 2: Implementation

i) Mixing well mixture of 5kg chili, 5kg garlic, 5kg ginger, 5kg lesser galangal, lkg areca, 2kg dried fruit of lebbek tree being ground (according to rate of 1:1:1:1:0,2:0,4) with 36 liters alcohol 90 % in a plastic container having closed cap;

ii) Storing (without incubation): the above mixture is soaked for a period of 70 to 100 days, preferably 90 days, at a temperature from 20 to 30°C, preferably 26°C and stored in a cool place, away from direct sunlight. During this storage period, the best is that stirring is not conducted because if stirring is conducted, solution will evaporate, which leads to a decrease in the effective of the pesticides.

Step 3: Complete pesticide products

i) Filtering mixture solution in the second step to obtain pesticide solution; and ii) Storing in a sealed container and placing in cool place.

Experiment examples

i) Preparing: Dissolve 200 ml of the herbal pesticides of the present invention (the price is about 40,000 VND) with 12 liters of water and stir to spray a 1 sao unit of green vegetable, acquire a solution of herbal pesticides and preserved in a sealed container at a shady place, (sao unit is specific unit in Vietnam, namely 1 sao unit equal 360 m² in the north of Vietnam, 1 sao unit equal 499.95 m² in the central of Vietnam, 1 sao unit equal 129.60 m² in the south of Vietnam) ii) Implementation:

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- The first spray: After soil was reclaimed, implementing spraying the herbal pesticides solution to kill the soilbome insects such as worms, bugs, etc ..

- The second spray: When green vegetables enter mature stage and are about to be harvested, spraying the second time to kill insects such as worms, hoppers, beetles, etc ... and stop spraying from 5 days to days before harvesting.

- The spraying time: in the early morning (from 6 am to 8 am) or in the late afternoon (from 17.00 to 18.00).

iii) Achieved Effectiveness

- Effectiveness of pest control and safety: over 90% of vegetable production in a sao unit without pest, i.e killing more than 92% of pests; and achieving a 98% safety rating, it means that the vegetable products do not contain any chemical residue from herbal pesticides of the present invention. This insecticides effectiveness is equivalent to the insecticides effectiveness of conventional pesticides, but is higher than the conventional herbal pesticides which only achieved usually the effectiveness at about 70% to 75%, which is results of having further ingredients such as chili, areca, dried fruit of lebbek tree, lesser galangal at rate of appropriate mixing.

Advantageous Effects of Invention

The herbal pesticides of present invention contains natural ingredients such as chili, garlic, ginger, lesser galangal, dried fruit of lebbek tree and areca are mixed, soaked in alcohol according to certain proportion to get spicy and high acidity, which can simultaneously control many diseases in a plant. It helps not only assimilation of nutrients but also contributing to increase productivity and achieving the quality efficiency of agricultural products. It is possible to prevent, reduce the harm of some dangerous diseases which can’t achieved by other known pesticides. The herbal pesticides not only is harmless the structure of land and make uncompacted land as well as undegraded land but also contribute to fertility of land; it has effect of killing insect pests, reducing diseases, increase the resistance of plants without affecting the environments like conventional chemical pesticides.

Claims (2)

1. A herbal pesticide extracted from the solution consisting of natural ingredients in an amount from 8 to 12% by weight of chili, from 8 to 12% by weight of garlic, from 8 to 12% by weight of ginger, from 8 to 12% by weight of lesser galangal, from 2 to 5% by weight of dried fruit of lebbek tree, and from 0.5 to 3% by weight of areca and from 50 to 55% by weight of 90% alcohol solution after being soaked at least from 75 to 100 days.

2. The herbal pesticide according to claim 1, wherein:

chili is selected from chili pepper, is cleaned, picked out to drain, cut of the stalk and ground finely;

dried garlic is peeled and ground;

ginger is cleaned, picked out to drain, and ground;

lesser galangal is cleaned, picked out to drain, thin sliced and ground;

dried fruit of lebbek tree is treated preliminarily to remove stems and branches and pulverized into powder.