Detailed explanation of diseases and insect pests and control methods of Jiuli incense

Like to be born in sandy soil and sunny place. The southern area is mostly used as fencing material, as embellishment for flower beds and hotels, as well as bonsai materials. let's take a look at the diseases and insect pests of Jiuli incense and its control methods in detail.

Detailed explanation of diseases and insect pests and control methods of Jiuli incense

Jiuli incense plants are graceful, beautiful branches and leaves, and full-bodied flowers. In the south, they are often used as fencing materials, as ornaments for flower beds and hotels, and as bonsai materials. Jiuli incense also has a good medicinal value, has the effect of promoting qi and promoting blood circulation, dispelling blood stasis and relieving pain, detoxification and detumescence.

First, red spider

Occurrence regularity: in order to harm the leaves, absorb the juice on the leaves, so that the plant is malnourished, resulting in leaf loss of green, yellowing, resulting in a large number of fallen leaves. It is easy to happen in high temperature and drought.

Prevention and control methods: pay attention to check the leaves, and when it is found that there are needle-sized red bugs on the leaf surface and back, it is necessary to continuously spray 1000 foliar aqueous solution, or 1500 times of mites, that is, stagnant water; hold liquid, or 2000-fold antiseptic aqueous solution for control, spray every 10-15 days. Home potted Jiuli incense can be sprayed with 25-30 times red pepper aqueous solution or 25-30 times dry tobacco leaf extract, or wet the leaves with clean water and sprinkle with a layer of sulfur powder.

2. Anoplophora alternatus

Occurrence law: in order to harm branches and shoots, decay from the epidermis into the damage, the formation of insect path, so that the tree is weak, serious branches, branches and tips are broken, or even withered.

Prevention and control methods: in the growing season, we should pay attention to check the branches and shoots frequently, and find wormholes when insect feces are excreted, and then dip cotton into dichlorvos solution to block the wormhole mouth, so that the branch-tip longicorn beetles are suffocated in the wormpath. In the season of spawning and hatching of longicorn beetles, usually in autumn, the eggs and newly hatched larvae can be killed by spraying Lesbon solution or 1000 times poisonous spawn solution on the branches and shoots every 7-10 days.

3. Beetles and Phoenix butterflies

Occurrence regularity: in order to harm the leaves, mainly gnawing on the tender leaves, reducing the number of leaves, weakening the tree potential and affecting the normal growth.

Control methods: during the growth of young leaves, you can spray 800x trichlorfon aqueous solution or 1000 times once purified water solution for control. Family potted Jiuli incense can be controlled by artificial capture, and the captured pests can be scalded to death with hot water.

Leaf roll moths and aphids

Occurrence rule: harm the tender leaves, make the leaves curl and die, or make the growth point atrophy not long, affecting the normal growth of leaves.

Control methods: during the growth of tender leaves, 1500-fold pure water solution of aphid lice, or 1500-fold aqueous solution of Dachongchen, or 1500-fold Anlubao aqueous solution can be sprayed to control and kill larvae.

Matters needing attention in fertilizing Jiuli incense:

1. The liquid fertilizer of Jiuli incense should not be too thick and must be diluted, otherwise it is easy to produce fertilizer damage. Organic fertilizer and cake fertilizer must be fully mature before they can be used.

2. For Jiuli incense, which has just been boiled, it is not suitable to apply fertilizer when the new root is not growing.

3. Jiuli fragrant potted soil should be watered after fertilization when it is dry, it is better to apply fertilizer before rain, it is not suitable to apply fertilizer on rainy days, and liquid fertilizer and water should not be sprinkled on the leaves.

4. In the growing season, quick-acting fertilizer should be applied, slow-acting fertilizer should be applied in dormant period, and no fertilizer should be applied in Meiyu season and autumn.

What kind of fertilizer does Jiuli incense apply:

In the fertilization of Jiuli incense, we should pay attention to the combined use of nitrogen, phosphorus and potassium, and pay attention to less nitrogen fertilizer and appropriate supplement of potash fertilizer during flowering period. today, with years of flower cultivation experience, the editor recommends a relatively easy-to-use Jiuli incense fertilizer-Huinong flower special fertilizer. Fertilizer is a kind of foliar fertilizer of flowers and plants, which is an efficient compound microecological preparation with nutrition and health care. The fertilizer is rich in active glucose, enzymes, nucleic acids, higher alcohols, unknown growth promotion factors and active beneficial microorganisms, and can directly enter the deep cells through the surface cells of Jiuli incense to participate in crop metabolic activities. it can effectively improve the ornamental effect of Jiuli incense, such as bright green leaves, bright flowers, long flowering life and not easy to wither.