bux. Organic Gardening. August 17th , 2018.
For controlling pests in your (organic) vegetable garden, you should use organic pesticides, not the chemically processed ones. The forbidden list includes all commercial fungicides, herbicides, insecticides as well as pesticides. Every method to control pests should be organic or if it should include chemical substance, it should come naturally.
Before talking about Organic Pesticide For Vegetable Garden, you should know two general practices of gardening first. The first is to keep your soil always clean and healthy. You also should keep the ideal balance of clay/sand. For organic plants, the soil should contain a bit more clay as clay has more nutrients than sand.
Inspect your greeneries daily. Check for their roots, leaves as well as their overall looks. Look for any sign of yellowing, wilting or damage caused by insect pests. By knowing the signs you now have ideas on how to treat the problems.
This is the list of insect pests commonly found in an organic vegetable garden:
- Aphids/greenflies – they suck plants and vegetables sap and leave on the leaves a sticky substance (honeydew). This causes a fungus named sooty mold to breed. If a plant suffered from aphids invasion, it leaves would be withered and yellowed.
- Wooly aphids or mealy bugs - like aphids, they also suck plants sap and commonly found in humid places.
- Bean leaf beetle – the adult of this pest of beetle attacks the bottom side of leaves of bean vegetables. The larvae meanwhile attacks plants roots.
- Flea beetle - small black insects that make holes on your leaves as well as crisscross markings on them.
- Squash bugs – they like to attack vegetable plants such as squash, cucumbers, pumpins and melons.
- Green stink bug - these green insects prey on bean pods, leaving them bulging spots.
- Cucumber beetle –these type of beetles have greenish-yellow color. They attack plant seedlings while the larvae attack roots and make holes that cut through them. They also can spread bacterial wilt to melons and cucumbers.
Below are are several methods of controlling pests that attack your organic vegetable gardens:
- Biological method
This clever method makes friendly insects to destroy pest insects. One example: parasitic wasps lay their eggs on aphids and when the wasps’ larvae hatch, they devour their host (the aphids). Ladybirds also prey on aphid as well as other pests. Other useful insects are praying mantis, lacewings, etc. You can make useful insects visiting your garden by keeping a weed patch or planting flowers.
- Horticultural method
This method requires you to plant herbs that are hated by pests like sage, garlic, basil, and peppermint. It’s a natural and effective way to keep insect pests at bay.
This method also include mixed cultivation or companion planting of vegetables. Specific types of vegetables can ward off insect pests if they are planted close to each other . An example carrots and onions give assist to each other in eliminating the carrot fly and onion fly. You could also use flowers lie marigold. When they are planted next to vegetable plants, they repel nematodes away from the vegetables.
Another horticultural method you can use is rotation planting. This method needs you to rotate your vegetable plants among the raised beds for every year. This will reduce the proliferation of those annoying insect pests.
- Natural chemical methods
This method requires you to use natural substances to battle insect pests such as insecticidal soap. The soap is made from potassium or sodium salts of plant or animal oils. You can go buy or make it by yourself. It’s very effective to fight soft-bodied insects such as mealybugs and aphids. It also can be applied to the plant leaves to clean the honeydew stains.
Another method is to use is bacillus thuringiensis (BT). They are friendly bacteria and there are 80 types of them. They are harmful to insect pests; just sprinkle a bit of them to the vegetable plants they will be consumed by the pests in time.
As you can see, we don't need to use chemical-based pesticides to protect our organic vegetable plants. Organic pesticides will keep our vegetable garden uncontaminated from chemical substances.
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