How to breed double-petaled zinnia? How to breed double-petaled zinnia?

The double-petaled zinnia has a beautiful appearance and a natural fragrance. It is an ornamental plant with a particularly high ornamental value. It can be cultivated at home or in large areas. It has a very high economic value. But how should this double-petaled zinnia be bred? If you want to know this question, you can go and have a look with the editor.

Breeding method of double-petaled zinnia

1. Sowing of double-petaled zinnia

Before sowing the double-petaled zinnia, the seeds must be prepared and disinfected. They can be sown directly between April and June each year. The substrate can be two parts of leaf mold, one part of river sand, two parts of peat and two parts of perlite. After mixing them, add potassium permanganate for disinfection, and then sow directly. They usually germinate after three to five days, and no light is required during germination.

2. Transplantation of double-petaled zinnia

After the double-petaled zinnia grows a true leaf, it can be divided and transplanted. The root system of this plant is underdeveloped and has few lateral roots. When it grows two true leaves, it can be directly potted. The roots need to be covered with soil when potting. The transplanting depth should be 0.5 cm below the cotyledons. After transplanting, lightly press the soil and water it enough.

3. Daily management of double-petaled zinnia

Double-petaled zinnia is a dwarf plant and should not be allowed to grow wildly. It should be topped several times during its growth period. The first topping should be done after it grows six leaves, leaving four leaves. After each topping, potassium dihydrogen phosphate should be sprayed in time until it blooms. When cultivating double-petaled zinnia, it is necessary to fertilize it in time, once every ten days, and water it after fertilization. In the hot summer weather, fertilizer can be used instead of water, and a thin fertilizer solution can be applied.