Common diseases and insect pests in Milan, what kind of insects grow in Milan?

The soil of fleshy sowing is generally peat soil, red jade soil, deer marsh soil, and also with perlite, vermiculite, river sand and so on. It is recommended to use peat soil, vermiculite and granular soil in the proportion of 3:1:1. In order to help the growth of seeds, the diameter of granular soil should not be too large, preferably between 1-3 mm in diameter, if the particles are too large, it will also affect its water retention.

1. Disease

1. Stem rot: Stem rot is one of the common diseases in Milan.The disease mainly affects the stems of plants, when the disease will be black spots, and then will slowly expand, eventually leading to stem rot, plant death.When a plant is found to be diseased, it can be treated by smearing the branches with Bordeaux liquid.

2. Anthracnose: Anthracnose is very harmful to Milan, whether it is leaves, petioles, or its twigs and stems will be infected.At the beginning of morbidity, the tip of the leaf is brown, and then it will spread to the whole leaf, causing it to fall off, and the branches will dry up.After illness, we must prune in time, cut off all the diseased branches and leaves, and destroy them centrally.After that, we should maintain good ventilation and spray the solution of propafenone to prevent and control it.Usually, it should be watered and fertilized properly to increase its disease resistance.

3. Sooty smoke disease: Sooty smoke disease usually occurs together with scale insects and needs to be scrubbed with clean water or sprayed with carbendazim for treatment.

2. Pests

1, scale insects: one of the common pests, the surface of this pest has a wax shell, so want to spray is not easy to kill, usually need to brush off.In addition, in order to eliminate its larvae, you can apply a little carbofuran in the soil.

Miran

2. Aphid: It is also a common pest, which mainly sucks the juice of plants, thus making them grow poorly.There are many ways to kill this pest, in addition to a variety of insecticides, home can also be self-made ash water or lime water to kill.

3, red spider: This pest is smaller, not easy to find, and it lays a lot of eggs, once the birth of insects will be a large.Generally, pyridaben and other drugs can be used to kill, regularly check the positive and negative sides of the leaves to see if there are signs of recurrence.

4, leaf roller: its larvae will nibble the leaves of the plant, usually more in spring and summer, its adult phototaxis, can be trapped with black light.The larvae should be destroyed with phoxim and other drugs.