Organic pesticides is an herb medicines to control pests and plant diseases are made from natural ingredients. The ingredients to make organic pesticides are taken from plants, animals and microorganisms. Because it is made from materials found in the wild, these pesticides are more environmentally friendly and safer for human health.
When compared with chemical pesticides, organic pesticides have several advantages. First, more friendly to nature, because the nature of the organic material easily breaks down into other forms. So the effect of the poison is not settled in a long time in the wild. Secondly, a residue of organic pesticides do not last long on the plants, so the plants are sprayed safer for consumption. Third, from an economic standpoint the use of organic pesticides provide added value to the product. Non-food products pesticide better price than conventional products. In addition, the manufacture of organic pesticides can be done by the farmers themselves thereby saving production expenses. Fourth, the use of organic pesticides that are integrated with the concept of integrated pest management will not cause resistance in pests.
However there are some disadvantages of organic pesticides, among other less practical. Organic pesticides can not be saved in the long term. After being made must be applied so that we have to make every time will do the spraying. In addition, organic pesticide ingredients passable difficult to obtain in sufficient quantity and continuity. In terms of effectiveness, the results are not as fast as an organic pesticide spraying of synthetic chemical pesticides. It takes time and frequency of spraying more frequently to make it effective. In addition, organic pesticides relatively resistant to sunlight and rain. But as technology develops organic agriculture will be many innovations found in overcoming obstacles.
Raw materials of organic pesticides
Parts of the plant are taken for organic pesticide materials usually contain active substances from the group of secondary metabolites such as alkaloids, terpenoids, phenolic and other chemical substances. This active ingredient can affect pests in various ways such as blocker ( repellent ), an inhibitor of eating ( anti feedant ), an inhibitor of growth ( growth regulator ), towing ( attractant ) and as a deadly poison. Meanwhile, organic pesticides made from animal parts usually derived from urine. Some microorganisms are also known to control pests that can be used to make pesticides. Here are some ingredients that are often used to make organic pesticides:
Kinds of organic pesticides and how to make
There are various ways or recipe for making organic pesticides. Until now there is no standardization of the manufacture of organic pesticides. The recipes are organic pesticides are usually obtained from the experience of farmers, indigenous communities, practitioners and experimental results based on scientific research. Here are some ways to make organic pesticides are often used by farmers to control pests and diseases.
a. Controlling sucking insects (ladybugs and ticks, fleas)
Prepare the following ingredients, leaves surian 1 kg, 1kg of tobacco leaves, leaf Lagundi 1 kg, 1 kg Titonia leaves, coconut water as much as 2 liters, Gambier 0.5 ounces, 1 ounce of salt and 500 ml of hot water. Then prepare the grinding stone. Mashed tobacco leaves, leaf surian Lagundi leaves and leaf titania, stirring until blended. When it is tender, soaked in coconut milk and stir. Then extract the mixture in a manner squeezed with a cloth. Filter the results back juice and add salt and then pocket the solution. Prepare Gambir liquid by dissolving a half ounce of Gambir in 500 ml of hot water, then strain it with a soft cloth. The last step mix the solution and the solution leaves Gambier. Enter in bottles or plastic cans. Herb organic pesticides ready for use.
How to use organic pesticides is by diluting 500 ml in 10 liters of clean water. Mix well and put in the tank sprayers. Spray the plant shoots first and then the upper and lower surfaces of leaves. The frequency of spraying is recommended twice a week until the larvae or flea population is reduced and does not harm again.
b. Controlling leaf-eating caterpillars
Prepare materials necessary among other things, 2 liters of coconut water, yeast tape 1 egg, 4 ounces garlic, detergent 0.5 ounces and 4 ounces of quicklime. The first step is mashed garlic until smooth. Then dissolve detergent into the coconut milk and stir until evenly distributed. After that, the input of crushed garlic, yeast tape and quicklime. Strain the mixture with a soft cloth. The final step, a liquid fermented for 20 days in a sealed container. Organic pesticides moth repellent ready for use.
How to use, dilute solution of 500 ml of organic pesticides with 10 liters of clean water. Mix well and put in the tank sprayers. Frequency of use 2 times a week, do continue to caterpillar drops to safe level.
c. Fungi or fungal diseases operator
Prepare the following ingredients, leaves dakinggang elephant 5 ounces, galangal 3 ounces, 3 ounces of ginger, garlic extract Titonia 3 ounces and 3 liters. Pound the leaves galinggang elephant, then grate the ginger and galangal. Prepare a solution of Titonia leaves by grinding the leaves Titonia until smooth and mix with 3 liters of water, then strain it through a fine cloth. After that, enter the materials that have been pulverized and shredded into Titonia solution, mix well. Strain and squeeze the mixture. Organic pesticides controlling fungus or mildew ready for use.