Culture methods and growth habits of scallions

Scallion is a very good variety of landscaping. The large flowers are a bit like beautiful hydrangeas and have a high ornamental value. The following small series introduces the breeding methods and growth habits of scallion. I hope everyone has one. Help me.

Breeding method of big flower onion

Scallion is a flower with a very low rate of natural multiplication of bulbs. However, if flower buds are removed early and nutrients concentrate on the development of regenerated bulbs and daughter bulbs, the number of small bulbs can be appropriately increased. In summer, parts of the ground are already dead and can be dug out for bulbs, which separate and ventilate more in summer.

2, autumn planting large flower onion, after planting can be as long as 3 cm bulbs, less than 3 cm a year before flowering need to be planted, bulb proliferation rate is large, onion-like cold, sunny, loose fertile sandy loam, avoid ponding, suitable for planting in northern China.

3, large flower onion open field cultivation should choose low groundwater level, good drainage, loose, fertile sandy soil for cultivation, planting time should be from mid-late September to early October, plant spacing 20 times; 30 cm, planting depth is bulb soil thickness is 2 to 3 times of fresh stem.

4, green onion after planting a little flat surface, and then watering, winter does not have to cover the cold, when it is very good in March spring unearthed leaves, timely watering soil, every 10 to 15 times a liquid day, once watering, pay attention to cultivation, loose soil, weeding, air-drying, a small amount of artificial spray or shading, can alleviate the changes in early summer leaves.

5. The stems and leaves of scallion flowers wither, dig out the bulbs early before the rainy season, do not rot after the rain, put them in a dry and ventilated place, then put them up, put them indoors for ventilation, store them, wait for 9~10 months, plant them, and the planting land shall not be used continuously. Pay attention to the application of decomposed organic fertilizer. It rains in summer. Because of the large inflorescences, it is necessary to discharge large onions in time.

Growth Habits of Chinese Onion

Onions are native to Central Asia and the Mediterranean. It is mainly concentrated in northern China. This is the flowering season of spring and summer. It is a cool and sunny environment. It should be damp and hot, avoid continuous cropping and semi-shade, and the temperature should be 15~25°C. It requires loose, fertile sandy loam to avoid standing water and is suitable for cultivation in northern China.

Time: 2019-05-11 Click: