Organic pesticides are a short term solution to address the problem of pests quickly. Vegetable pesticide should be part of pest control system, and can only be used when you need it. So do not use natural pesticides when there are no pests or no crops that damaged.
Below are some examples of organic pesticide or natural pesticide with ingredients that are easy to get around us.
Ants, spiders, fruit flies, Trips, Mites, Ticks (Bemisia tabaci), caterpillars, grasshoppers, crickets and others.
- Garlic: 1 ounce
- Turmeric: 1 ounce
- Galangal: 3 ounces
- Lemongrass: 3 stalks
- Pepper: as you need
How to make:
- Pound crushed the ingredients until they are crushed;
- Add 1 liter of water and simmer briefly;
- Pour into the container;
- Add dish soap to taste, stir, let the solution to cool;
- Filter the solution with fine fabrics prior to use, to prevent the solution clog the spray.
For every 100 cc-200 cc solution you can add 3 to 4 liters of water. Spray on the pest and the affected parts of the plant.
Neem sprays can be used on almost any kinds of insects, including mosquitoes. In some cases, it takes several weeks for the effect to work, because for some types of insects the neem works by severing the insects breeding cycle. Neem is one of the best plants that we can use for organic presticide, because neem is safe to humans and does not cause many problems to the beneficial insects, particularly pest predatory. Under certain conditions, it could even increase the production of the Caterpillar that is useful for the plants. Slug/snail, nematode, bees, moths, Caterpillar, flies, mosquitoes, and grasshoppers are some of the insects that can be controlled with Neem.
Neem Seeds and Leaves
Some Methods to Utilize Neem as Organic Pesticides:
- Ground the Neem seeds and put in bags of cloth. Put this fabric bags into a bucket or a drum of water, keep it inside for overnight. Use 500 gr of neem seeds for every 10 liters of water. Use the solution as a spray on insect pests and plants. These neem seeds is more effective than their leaves.
- Take a large handful of fresh neem leaves, ground, and put in a bucketful of water. Leave for 2 days, then discard the leaves and use the solution as a spray.
- Dry a handful of neem leaves, mashed, and put them into the water. Leave them for 2 days, filter the solution and use as a spray.
- Neem sprays can also be made by soaking neem seeds that have been crushed in alcohol, or you can have the neem oils from the neem seeds by pressing process. This method is more expensive but can it produce a stronger product.
Garlic and Hot Pepper Sprays
Mix 3 peeled, seed garlic with a handful of chili and stew them in a pot of water. Add ¼ block of soap, mix well then leave it for a day. Filter the liquid and use 2 cups of the solution for one-time spraying. Garlic is an insecticide, fungicide and pest repellent. Chilli is also a pest repellent and insecticide. The soap will help the spray to stick to the plants and insects. Use this solution to aphid, worms, caterpillars and moths.
Papaya Leaf Spray
Collect 1 kg papaya leaves (about 1 large plastic bag), crushed them, and mix them with 1 liter of water, then leave it for 1 hour. Filter the solution and add 4 liters of water and 1 large spoon of soap. Spray the solution on insect pests. This papaya spray can be used for aphids, termites, pests, and small caterpillars. For termites, mash the young papaya fruit and collect the juice. Spray directly the juice to the termites and the damaged parts of the plant.
You may also want to read this article: Some Tips on How to Plant Organic Garden