Which citrus seedling variety is best? What are the seedling cultivation methods?

Citrus is a plant under the Rutaceae family, preferring a warm and humid climate. There are 3 genera used for economic cultivation: Poncirus, Citrus, and Fortunella. So if friends want to grow citrus, which citrus seedling is best to choose?

1. Which citrus seedling variety is best?

1. Sweet orange group

Xinhui sweet orange (main producing areas are Xinhui, Guangzhou, and Xingning in Guangdong; also cultivated in southern Fujian and southern Guangxi) and Jincheng (main producing area is Jiangjin, Sichuan; has been introduced and promoted in Hubei, Hunan, Guizhou, and other places).

2. Mandarin group

Wenzhou mandarin (originally produced in Huangyan, Zhejiang, China, later introduced to Japan, where many strains were bred, and in recent years introduced to China), banana mandarin (cultivated in Guangdong, Guangxi, Fujian, Sichuan, and Taiwan, China), ponkan (also known as lugan; cultivated in Guangdong, Guangxi, Fujian, Zhejiang, Hubei, Sichuan, and Taiwan, China, and other places), and Bendizao mandarin (mainly produced in Huangyan, Zhejiang; also cultivated in Fujian, Hubei, Guangdong, and other places).

3. Pomelo group

Shatian pomelo (originally produced in Shatian, Rong County, Guangxi; cultivated more in Guangxi, Guangdong, and Sichuan) and Pingshan pomelo (mainly produced in Zhangzhou, Fujian).

4. Lemon group

Eureka (originally produced in the United States. Cultivated more in Sichuan, and cultivated in small amounts in Guangdong, Guangxi, Fujian, and Taiwan, China) and bergamot (cultivated in small amounts in Guangdong, Zhejiang, and Sichuan).

5. Kumquat

Also known as Jindan, jinju, and Ningbo kumquat. Native to China. Cultivated more in Zhejiang, Hunan, Jiangxi, and Guangxi, and cultivated in small amounts in Shanghai and Jiangsu. Quality is above average and not suitable for storage. (Source: China Agriculture Press)

2. How are citrus seedlings propagated?

1. Plant improved varieties

Selecting improved varieties and planting robust nursery stock is the foundation of efficient citrus cultivation. Therefore, great attention must be paid to the propagation and management of nursery stock, guiding and standardizing nursery stock breeding with the four-high requirements of a high starting point, high technology, high quality, and high standards, and adopting advanced virus-free nursery stock propagation technology to cultivate virus-free improved-variety vigorous seedlings, laying a good foundation for efficient citrus cultivation.

2. Orchard establishment and planting

Establishing an orchard is to provide suitable growing conditions such as light, heat, water, air, and fertilizer for citrus production, and to provide good environmental conditions and transportation conditions for high yield and quality of citrus, so as to reduce production costs and improve production efficiency. It is necessary to build necessary roads, divide plots, provide drainage and irrigation, store water, establish windbreak forests, fertilizer sources, and ancillary facilities. Windbreak trees should be fast-growing species and should not share symbiotic pests or diseases with citrus.

3. Planting density

Citrus planting density tends toward a reasonable density. Planting patterns include rectangular, square, triangular, wide-narrow row, and contour planting. As for planting methods, citrus can be planted throughout the year, but mainly autumn planting and spring planting, and summer planting is also possible.

4. Soil, fertilizer, and water management

Soil management is the foundation for the growth and development of citrus fruit trees. Creating soil conditions such as fertilizer, water, air, and heat suitable for tree growth and fruiting is the goal to be achieved in soil management. To achieve this goal, measures such as deep plowing with organic fertilizer, green manure, intercropping, mulching and earthing up, intertillage, and soil and water conservation should be adopted to keep the soil at good fertility and in the best structural state.

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