How to Get Rid of Borers on Giant Taro Plant

Giant taro, also known as Alocasia macrorrhizos, is a tropical plant that belongs to the arum family. It is a popular ornamental plant that is grown for its large, glossy leaves and striking appearance. However, giant taro plants are susceptible to borers, which are insects that feed on the stems and roots of the plant.

If left untreated, borers can cause significant damage to giant taro plants, weakening them and making them more vulnerable to other diseases and pests. In this article, we will discuss how to identify borers and provide tips on how to get rid of them.

Identifying Borers

Borers are small, worm-like insects that bore into the stems and roots of giant taro plants. They are typically white or cream-colored with brown heads and measure between 1/4 to 1/2 inch in length. The larvae of borers feed on the inner tissues of the plant, causing wilting, yellowing of leaves, and stunted growth.

Adult borers are moths with wingspans ranging from 1/4 to 1/2 inch. They lay eggs on the stems and leaves of the plant, which hatch into larvae that bore into the plant.

Getting Rid of Borers

Getting rid of borers on giant taro plants can be a challenging task. However, there are several methods you can use to eliminate these pests.

1. Use Insecticides

Insecticides are one of the most effective ways to get rid of borers on giant taro plants. Look for insecticides that contain imidacloprid or acephate as active ingredients. These chemicals are systemic and will be absorbed by the plant, killing the borers as they feed on it.

When using insecticides, it is important to follow the manufacturer’s instructions carefully. Wear protective clothing and gloves, and apply the insecticide to the plant’s stems and leaves. Repeat the treatment every two weeks until the infestation is eliminated.

2. Prune Infested Stems

Another way to get rid of borers on giant taro plants is to prune infested stems. Use a sharp, clean knife or pruning shears to cut off any stems that show signs of infestation. Make sure to dispose of the pruned stems away from the plant to prevent re-infestation.

3. Apply Nematodes

Nematodes are microscopic worms that feed on the larvae of borers. You can buy nematodes from garden centers or online stores and apply them to the soil around the plant’s roots. Follow the manufacturer’s instructions carefully when applying nematodes.

4. Use Sticky Traps

Sticky traps are another effective way to get rid of borers on giant taro plants. Hang yellow sticky traps near the plant to attract adult borers, which will get stuck on the trap and die. Replace the traps every two weeks until the infestation is eliminated.

FAQ

Can I prevent borers from attacking my giant taro plant?
Yes, you can prevent borers from attacking your plant by keeping it healthy and well-maintained. Water your plant regularly, fertilize it with a balanced fertilizer, and prune any dead or diseased stems.

What should I do if my giant taro plant is heavily infested with borers?
If your giant taro plant is heavily infested with borers, you may need to use a combination of methods to eliminate them. Try using insecticides, pruning infested stems, applying nematodes, and using sticky traps.

Can borers spread to other plants in my garden?
Yes, borers can spread to other plants in your garden. If you have plants that are susceptible to borers, such as other members of the arum family, keep an eye out for signs of infestation and treat them promptly if necessary.

In conclusion, borers can be a serious problem for giant taro plants. However, with the right treatment and prevention methods, you can eliminate them and keep your plant healthy and thriving. Remember to follow the instructions carefully when using insecticides or applying nematodes, and prune infested stems regularly to prevent re-infestation.