How to Plant Papaya Seeds? A Detailed Guide to the Latest Growing Methods

Papaya is also known as Mingzha, Muli, Haitang, etc. It is a shrub or small tree of the genus Chaenomeles in the Rosaceae family. Actually, what people often call papaya is divided into two types: one is edible papaya, and the other is medicinal papaya, but many people now confuse them. Medicinal papaya is a Rosaceae papaya, while edible papaya is the tropical fruit pawpaw. Now let us take a look at how to plant papaya seeds!

What Conditions Are Needed to Grow Papaya?

1. Soil: Papaya is not strict about soil quality, but it prefers sandy soil with deep, loose, fertile layers and good drainage.

2. Water: Papaya prefers semi-dry and semi-moist conditions. It should be slightly dry before and after flowering, prefers moisture after fruiting, and the soil should be slightly dry when the fruit is close to maturity.

3. Light: Papaya is not shade-tolerant. A wind-sheltered, sunny spot can be chosen for planting.

4. Temperature: Papaya prefers a warm environment and can overwinter outdoors in the Yangtze-Huai River basin.

What Value Does Growing Papaya Have?

1. Economic: Fresh papaya fruit contains more tannins and organic acids, and its sugar content is relatively low, making its taste sour and astringent and unsuitable for raw eating. However, its fruit is rich in nutrients and vitamins and can be made into products with a unique flavor.

2. Health care: Papaya has obvious health-care functions. Using papaya as a raw material, products that have been successfully developed and marketed mainly include papaya juice beverages, papaya preserves, papaya fruit wine, papaya fruit vinegar, etc.

3. Edible: Papaya is delicious and also has dietary therapeutic effects. It has the effects of relaxing muscles and activating collaterals, harmonizing the stomach, and drying dampness. It especially has beauty benefits for women. More importantly, the active ingredients in papaya fruit can enhance the function of phagocytes.

4. Ornamental: Because of its graceful tree shape, concentrated flower clusters, abundant flowers, and beautiful flower color, papaya is often used as an ornamental tree species. It can also be used as rootstock for grafting crabapple, or cultivated as a bonsai in courtyards or gardens.

How Are Papaya Seeds Planted?

1. Seed collection: Papaya can be harvested in August to September when the outer fruit skin turns green-yellow. Cut open the freshly collected fruit, take out the seeds and dry them in the shade, and select plump seeds for keeping. The seeds can also be taken out by cutting open the fruit after the peel air-dries in November.

2. Sowing time: Papaya can be sown in spring or winter. For spring sowing, sow from February to April and transplant from April to May, with a seedling period of 50 to 70 days. For winter sowing, sow from mid-October to early December, with a seedling period of 120 to 130 days. Attention should be paid to adopting cold-proof and warmth-preserving measures.

3. Sowing method: Before sowing papaya, soak the seeds in a suitable concentration of baking soda solution for 6 to 8 hours. After soaking, take them out, drain them, mix them with sand, and broadcast them in the seedbed at a row spacing of 20 cm. After covering with a thin layer of soil, cover with a layer of rice straw and keep it moist. Seedlings can emerge in 40 to 50 days.

4. Seedling management: After papaya seedlings emerge, cultivate the soil and keep it moist. When 2 to 3 leaves have grown, reduce watering to promote deep rooting and prevent excessive growth. Start applying thin fertilizer at the 4-leaf stage, and begin hardening the seedlings at the 5-leaf stage. In the second spring, keep them in the bed or transplant them separately into the field.

Papaya Planting and Management Techniques

1. Planting density: Papaya can be planted in spring or autumn. After planting, the trunk can be headed at 70 to 80 cm above ground. In mountainous and hilly poor land, the plant and row spacing is generally 2×3 m. On flat land with good fertilizer and water conditions, a plant and row spacing of 3×4 m is suitable. When intercropping with grain and vegetables, a plant and row spacing of 5×5 m is suitable.

2. Water and fertilizer management: The amount of base fertilizer applied in a papaya orchard accounts for about 70% of the total annual fertilizer application. Topdressing should be carried out according to growth and fruiting conditions during the period of maximum fertilizer efficiency. Trees in full fruit period should be timely topdressed with pre-flowering fertilizer, post-flowering fertilizer, and fruit-swelling fertilizer, while the amount of fertilizer for young trees should be reduced as appropriate.

3. Flower and fruit management: From the first year to the second year, pick off the flowers at any time. In the third year, apply pre-flowering fertilizer, fruit-swelling fertilizer, and autumn fertilizer well. There is also a self-thinning phenomenon, and fruits with poor pollination will fall off automatically. After fruit set in early May each year, just thin out small fruits and deformed fruits.

4. Shaping and pruning: Papaya pruning is mainly thinning. During the growing season, pay attention to cutting off competing branches on the central leader, upright vigorous branches within the crown, excessively dense branches, thin and weak branches, and diseased and pest-damaged branches. At positions lacking branches, 1 to 2 buds can be retained for heavy short pruning to promote branching. Aging fruiting branches should be retracted and renewed in time.

5. Disease and pest control: The main diseases of papaya include leaf spot, ring rot, anthracnose, and dry rot. Pests include aphids, red spiders, papaya borers, peach fruit borers, pear psyllids, and slug moths. While controlling them, attention should also be paid to controlling various caterpillars, pear psyllids, and other pests.