Cold spray insect pest

Beetle

The beetle is an invertebrate, omnivorous and eats everything. Different species live in different environments, such as deserts, farmland, forests and grasslands. In short, they can be seen everywhere. There are many kinds of beetles, including red foot green beetle, black horse velvet beetle, northeast big black Gill horn, copper green beetle, copper green beetle, Korean black beetle, brown beetle, dark beetle, pine beetle. Either one can kill you in cold water.

Harmful symptoms

In fact, the beetle is not so terrible, in the cartoon bug beetle is a good friend of mankind. The beetle Zhu is mainly parasitic on the plant leaves and gnaws on the leaves. A beetle is not terrible, what is terrible is a group of beetles. If it is not controlled in time, the plant will soon become a net with no leaves.

Prevention and cure method

Beetle larvae usually live in the soil, so the soil should be disinfected throughout the year before planting. It is found that a larva should be removed in time, which is very difficult to destroy once it is propagated.

When there are many beetles, they can be treated with chemicals. Remember to choose insecticidal agents as far as possible, do not choose pure pesticides, although the insecticidal effect is better, but it will have a certain impact on the growth after flowering. After spraying, root irrigation should be carried out to avoid residual eggs in the soil.

Common insect pests in cold water

Cold splash pest: beetle

The beetle is an invertebrate, omnivorous and eats everything. Different species live in different environments, such as deserts, farmland, forests and grasslands. In short, they can be seen everywhere. There are many kinds of beetles, including red foot green beetle, black horse velvet beetle, northeast big black Gill horn, copper green beetle, copper green beetle, Korean black beetle, brown beetle, dark beetle, pine beetle. Either one can kill you in cold water.

Cold splash pests: harmful symptoms

In fact, the beetle is not so terrible, in the cartoon bug beetle is a good friend of mankind. The beetle Zhu is mainly parasitic on the plant leaves and gnaws on the leaves. A beetle is not terrible, terrible is a group of beetles, if there is no timely prevention and control, the plant will soon become a net, no leaves at all!

Cold splash insect pests: control methods

Beetle larvae usually live in the soil, so the soil should be disinfected throughout the year before planting. It is found that a larva should be removed in time, which is very difficult to destroy once it is propagated.

When there are many beetles, they can be treated with chemicals. Remember to choose insecticidal agents as far as possible, do not choose pure pesticides, although the insecticidal effect is better, but it will have a certain impact on the growth after flowering. After spraying, root irrigation should be carried out to avoid residual eggs in the soil.

What if the leaves of the cold water flower are dry?

First, the lack of light causes the leaves to dry up. Although the cold spray is shady, it is easy to dry the leaves if it is placed in the place where the light is insufficient for a long time, and the cold spray had better be cultured in a place with sufficient scattered light.

Second, improper watering causes the leaves to dry, cold water watering should be watered thoroughly after the topsoil is dry, do not make it in a state of drought.

Third, if the temperature is too low in winter, the leaves will dry due to freezing injury. In winter, the leaves should be placed in places with higher indoor temperature for breeding. Protective measures should be taken if necessary, and must not be frozen in the doors and windows with air leakage.

Fourth, put in the air conditioning tuyere or around the radiator is also easy to lead to this phenomenon in the leaves, do not put in these places for breeding.

Fifth, excessive fertilization leads to root burning causing leaf problems, at this time to stop fertilization, or a small amount of fertilization. If it is serious, change the basin and change the soil.

Like the cold splash leaves dry, the cold splash insect pest is also quite harmful to the cold splash, let's take a look at it.