What are the places to pay attention to when planting citrons?

Citron is also known as jujube. Citrus plants of the Rutaceae family.

Potted citrons are mostly propagated by grafting. At the seedling stage, turn over the pot and change the soil once a year; Mature trees can be repotted and changed every 2 years. Attention should be paid to the following issues in the cultivation of citron:

Because the citron has weak branching power, it can be appropriately lightly cut during the growth period, and it is best to combine the binding style to retain as many branches and leaves as possible. Reduce watering before the formation of flower buds, so that the growth of branch tips gradually stops, stop watering in late August, after 3 to 4 days of sun exposure, the leaves wilt and droop, and then the leaf edge rolls inward due to lack of water. When the main and preparatory buds of the plant have swelled and turned from green to white, the flower bud differentiation is complete.

At this time, the amount of watering is gradually restored, and thin fertilizer is applied, and flowering can be carried out from the end of August to the beginning of September. When the potting soil is in a relatively dry state, you can sprinkle some water on the leaves in the morning and evening, and slightly water in the pot at noon to prevent the leaves from wilting. During flowering and early fruit set, watering is less than usual.

Large water, small water or large fertilizer will cause flower and fruit drop. Do not drench water during the flowering period, you can sprinkle water in the surrounding environment before noon and evening to prevent dust to keep the air fresh and moist. After the young fruit grows to the size of the soybean grain and sits firmly, the watering amount can be increased and the appropriate top dressing can be increased, and the fertilization is mainly phosphorus and potassium fertilizer.

The room temperature should not be too high during the fruiting period, and the air should be kept fresh and moist to prolong the viewing time. During the growing season, sufficient sunlight is required and no shade is required.

role="Figure citron.

The branches and leaves of the citron can release volatile oils with bactericidal effect, which greatly reduces the bacteria and microorganisms in the indoor air, and thus has the effect of refreshing the air.

1. Soil: There are no strict requirements for the selection of soil, deep soil is required, if it is loose and fertile, the soil quality with good drainage is better, which is more suitable for the growth of citron.

2. Temperature: Citron is suitable for high temperature and humidity environment, so the best growth temperature is about 25. It is a relatively cold-tolerant plant, and it may freeze to death in severe cold, so the temperature must be well controlled.

4. Water: Reduce the amount of watering before the flower buds are formed, so as to promote the gradual cessation of branch growth. When the potting soil is in a relatively dry state, you can sprinkle some leaky water on the leaves in the morning and evening, and slightly water the pot at noon.

During flowering and the early stages of fruit set, watering is required less than usual.

1. Pruning: When pruning, you need to cut off particularly long and overly dense branches, and insert pillars when it bears fruit. During the growing season, it is best to combine lashing to shape and try to keep as many branches and leaves as possible.

2. Repotting: At the seedling stage, it is necessary to turn the pot and change the soil once a year, and after the adult age, it can be repotted and changed once every 2 years.

1. Insect pests: Insect pests include blown cotton scale insects, which can be controlled by natural enemies, big red ladybugs. You can also spray pine resin mixture, diluting 8-10 times in winter and 20 times in summer.

2. Leaf loss: Citron leaves are mostly caused by freezing, it is not cold-tolerant, and a little cold will affect its growth. Therefore, it is necessary to pay attention to protection during winter maintenance.

1. Can be cultivated indoors: citron can be cultivated indoors, if it is cut in the house, the room temperature should be kept at 25, and a certain humidity needs to be maintained. However, the indoor temperature should not be too high during the fruiting period.

2. When to bloom: It will bloom from the end of August to the beginning of September, citron can freshen the air, if we create a fresh and humid environment for it, you can prolong the viewing time.

1. Cultivation technology.

The plant kinship of citron and bergamot is very close, and the cultivation method can refer to bergamot. Wild citrons in the southern part of our province can be used as rootstocks for grafting. There are also propagated with seeds, which can be sown before and after the stinging festival, and transplanted and planted in the spring or rainy season with a height of about 30 cm per mu.

Propagation with seeds, cuttings. Seed propagation: select ripe fruits in October, cut and take out the seeds, wash, dry, and then sow seeds; Or the seeds can be stored in layers of wet sand and sown in spring.

According to the row spacing of 30cm to open a ditch, the seeds are evenly sown, covered with soil, and watered. Incubation for 2-3 years of colonization. Propagation by cuttings:

Select 2-3-year-old branches, remove thorns, cut into small sections of about 18cm, and cut cuttings in the spring high temperature and high humidity season. According to the row spacing of 30cm open the ditch, plant spacing 12cm, obliquely insert, the cuttings will be exposed to the ground 1 3, cover the soil, press, water. Cultivation for 1-2 years of colonization.

If you take cuttings indoors, the room temperature should be 25 and a certain humidity should be maintained. Transplanting, in spring, open holes according to the row distance of 3m 3m, plant 1 seedling per hole, cover the soil tightly, and water.

2. Pest control.

Diseases include soot disease, which damages leaves, branches, and fruits. The insect pests include blown cotton scale insects, which can be controlled by natural enemies, large red ladybugs; It can also be sprayed with pine resin mixture, diluted 8-10 times in winter and 20 times in summer. In addition, there are longhorn beetles, red spiders, and aphids.

3. Field management.

Cultivating weeding and fertilizing 2-3 times a year. From May to September, human and animal manure is mainly applied, and dilute cake fertilizer can also be applied; In winter, superphosphate is added, and ditching and ring application can be performed; Pruning should cut off long branches and overly dense branches. Pillars should be inserted during the fruiting period.

Fourth, harvesting and processing.

In autumn, when the fruit has grown and set, but the skin is still dark green, it is picked, and after picking, it is cut straight into 2 cm thick slices, spread and dried or dried.