Silk carnation

[biological characteristics]

Dianthus caryophyllus is a perennial perennial grass flower of the genus Caryophyllus of Caryophyllaceae. The plant height is 80-120 cm, the whole plant is glabrous and pink-green, the leaves are small and sessile, and the nodes are dilated. Panicle terminal, flowers 0.5-1 cm in diameter. The whole plant stems and leaves, beautiful lines, many branches, full of three-dimensional sense, countless small white flowers born on the branches, lined with emerald green lanceolate leaflets, nearly looks like stars twinkling, crystal bright, so it is also called all over the sky; it looks like haze and haze, so it is also called Xiacao, one of the top ten cut flowers in Europe.

Caryophyllus likes to be cool and grows best under sunny and ventilated conditions, and the optimum temperature for growth is 15: 25 ℃. The high temperature above 30 ℃ or the low temperature below 10 ℃ are easy to cause rosette clumps, only long stems do not blossom.

The alkaline soil with loose, rich organic matter, moderate water content and drainage can produce high quality cut flowers on the sandy loam with PH 7, which can meet the export standard.

[main varieties]

1. "Fairy": the flower is white, this variety has strong adaptability, can grow and develop at high temperature in summer, and can blossom at low temperature in winter, so it is not easy to produce rosette. It is easy to cultivate and can blossom annually under the condition of promoting cultivation, so it is an ideal variety for annual production in Nanjing area.

2. "perfect": the flower is larger than the "fairy" flower and belongs to the large flower breed. The cut flower is tall and straight and white, suitable for bouquet and corsage. Because the flowering of this variety stops at low temperature, it is only suitable for cultivation in the greenhouse with heating conditions.

3. "Diamond": it is a variety of Chinese flowers selected from "fairies". The flowers are white, the plant is shorter than the "fairy", and the distance between the internodes is also short, resulting in two more lateral branches on the upper nodes of the stem. Flowering is delayed at low temperatures. This variety has the advantages of "fairy" and "perfect", and the shape of cut flowers is beautiful. At present, annual production is more difficult, and it may become the mainstream of double carnation in the future.

4. Flamingo: the flowers are light pink and fade easily, especially in the hot season. The flowers are small, the stems are slender, and the branches are not many. Spring flowering, natural flowering than the "fairy" to delay a few days, flowering habits similar to the "fairy".

5. "Red Ocean": the color of the flower is thicker than that of the flamingo, with a deep pink color, large flowers and hard stems. Planted in spring in alpine areas and sold in autumn, the flowers are very bright and not easy to fade; in warm areas, they can bloom from autumn to spring. This variety has just emerged in the international market and is favored by people.