A dahlia dwarfing treatment method

Abstract

The invention belongs to the technical field of dahlia cultivation, and particularly relates to a dahlia dwarfing treatment method. A dwarf variety is adopted, cutting seedlings are selected, and theaperture of a pot for an initially-planted seedling is 8-12 cm. When the height of the seedlings reaches up to 15 cm, the seedlings are planted in a large pot with the caliber of 22-28 cm; soil for potting is prepared by uniformly mixing 4-5 parts of garden soil, 3-5 parts of river sand and 2-3 parts of compost soil, coarse sand with the thickness of 2-3 cm is spread on the pot bottom, 0.1 part ofdecomposed cake fertilizer powder is added on the coarse sand, and culture soil with the thickness of 0.1-0.2 cm covers the decomposed cake fertilizer powder, thenseedlings with soil lumps are planted, watering is conducted in the growing season when dryness and wetness appear, illumination needs to be conducted for no less than 8 hours every day in the growing period, thin cake fertilizer liquidneeds to be topdressed once every half a month in the growing process, after budding, the thin cake fertilizer liquid is applied once every week, and monopotassium phosphate liquid with the concentration of 0.2% is sprayed once or twice. The method has the advantages that the operation is simple, the obtained dahlia pinnata has high ornamental value, and the height of the dahlia pinnata after dwarfing treatment is 30-40 cm; the method has remarkable economic benefits and is worthy of being widely popularized.

Description

technical field [0001] The invention belongs to the technical field of dahlia cultivation, and in particular relates to a dahlia dwarfing treatment method. Background technique [0002] Dahlia (Dahlia pinnata Cav.), also known as dahlia, geranium, oriental chrysanthemum, dahlia, sweet potato flower, Compositae, dahlia plant, perennial herb with huge stick-shaped roots. Stem erect, much branched, 1.5-2 meters high, strong. Originated in Mexico, Mexicans regard it as a symbol of generosity and wealth, so they respect it as the national flower. [0003] At present, it is planted in most countries in the world, and new varieties have been bred from time to time. According to statistics, there are more than 30,000 varieties of dahlias, which is one of the species with the most varieties of flowers in the world. Dahlia is one of the famous flowers in the world due to its variety of colors and shapes, rich and varied names. It can also promote blood circulation and dissipate bloo...

AI Technical Summary

Problems solved by technology

As long as the environment is suitable, it will grow very quickly, but the branches will inevitably be too thin and long, which looks very ugly