A course on the latest cultivation techniques of Citron trees

Citron is the general name of plant citron and medicinal material citron, also known as citron, citrus, etc., it is an irregularly branched shrub or small tree of the genus Citrus of Rutaceae, which is distributed in the Yangtze River valley and its south area of our country. Taiwan, Fujian, Guangdong, Guangxi, Yunnan, Hunan and other provinces and regions are more planted, let's take a look at the cultivation techniques of citron trees!

Growth habits of citrus trees

Citron trees like warm and humid climate, are afraid of severe frost and are not resistant to cold. It is suitable to be cultivated on sandy soil with deep soil, loose and fertile soil, rich in humus and good drainage. Citron tree is suitable for high temperature and humid environment, which obviously originated in the south. There are semi-wild citron in the broad-leaved forest in Xishuangbanna, Yunnan.

Propagation methods of Citron Tree

1. Sowing and propagation: citron trees usually select mature fruits in October, cut and take out seeds, wash them, dry them, and then sow them, or store the seeds in wet sand and sow in spring. Open a ditch according to the row spacing of 30 cm, sow the seeds evenly, cover the soil, water them, and cultivate them for 2 ~ 3 years.

2. Cutting propagation: Citron cuttings select 2-3-year-old branches, remove thorns, cut them into segments of about 18 cm, and cut them in the spring season of high temperature and humidity. Open a trench according to the row spacing of 30 cm, plant spacing of 12 cm, oblique insertion, expose the cuttings to the ground, cover with soil, press, and water. It was cultivated for 1 ~ 2 years.

Cultivation techniques of Citron Tree

1. Field management: citrus trees are ploughed, weeded and fertilized for 2 or 3 times a year, mainly applied with human and animal manure from May to September, and can also be applied with dilute liquid cake fertilizer. The application of calcium superphosphate in winter can be applied through trenching. Pruning requires cutting off long and overdense branches. Pillars should be inserted in the fruit period.

2. Rational fertilization: the citrus tree was fertilized before budding for the first time, and after the Summer Solstice for the second time, the second fertilizer could also be mixed with 250g urea and 500g calcium superphosphate to add water, and a sprayer was used to top fertilizer outside the root. promote the growth of the exuberant fruit of the plant.

3. Pest control: the diseases of citrus trees include soot disease, leaves, branches and fruits. Insect pests are cotton-blowing shell beetles, which can be controlled by natural enemies, big red lady beetles. It can also be sprayed with pine resin mixture, diluted 8 times 10 times in winter and 20 times in summer. Besides, there are longicorn beetles, red spiders, aphids and so on.