Common Pests of Tiger Flower and Their Control Methods

Common pests of tiger flower: leaf beetles

Pest symptoms

Leaf beetles are generally more common in tropical regions. But this kind of pest also occurs in our country in summer. Everyone should also be careful and preventive. They often gnaw on the leaves, leaving them unrecognizable and destroying the ornamental effect of the tiger flower.

Prevention and treatment methods

Artificial capture and the addition of pesticides are two-pronged prevention and control measures. Once leaf beetles are found, they should be captured and killed immediately. Then spray the plants with pesticides to prevent the larvae from continuing to grow and harm the plants. The pesticide can be sprayed with 3000 times diluted 2.5% dimethoate.

Common pests of tiger flower: noctuids

Pest symptoms

They hide during the day and are active at night. At 1-2 years old, they feed on leaf flesh. At 3-4 years old, they nibble away at the leaf edges, leaving notches. At 5-6 years old, they reach the gluttonous stage, nibbling away at the leaves and even eating them completely. This insect has the property of feigning death, and its larvae have the habit of burrowing in the soil (1-2 cm). Rainfall is beneficial to it, while heavy rain or the invasion of cold air is not favorable to it.

Prevention and treatment methods

The most suitable growth temperature for fall armyworms is 15-25℃. Pesticides can be sprayed in the evening or morning. 2.5% trichlorfon powder and 5% carbofuran powder can be used at 22.5-30kg/hectare. You can also use 90% trichlorfon crystals 1000-1500 times diluted, 50% DDT emulsion 1000-2000 times diluted, 50% carbofuran emulsion 1000 times diluted 50-100kg/mu for spraying.

Common pests of tiger flower: snails

Pest symptoms

They mostly feed on new shoots, new leaves, flower buds and roots at night. In June-October, timely prevention and control are required in humid environments.

Prevention and treatment methods

Sprinkle lime powder on the ground, or spread 8% dichlorvos granules in the places where it appears, or spray pesticides such as dichlorodiphenyltrichloroethane on the leaves to kill it.

Common Pests of Tiger Flower: Slugs

Pest symptoms

Also known as water centipede, in some areas of southern China it is called centipede (not centipede), commonly known as slug, is a mollusk that forms the order Pulmonaria with some snails. It is a hermaphrodite and looks like a snail without a shell. Its body surface is moist and covered with mucus, which is very disgusting.

Prevention and treatment methods

This is a folk method, which is to sprinkle salt on the slug's body to let it die of dehydration. It's very cruel, but who allowed it to harm our first-class national protected plant, the tiger-faced flower!