The adventitious bud induction medium is MS +4.0mg/L6-Benzylaminopurine (6-BA) +0.1mg/L Naphthalene acetic acid (NAA), and the rooting medium is 1/2MS + 0.4mg/L Naphthalene acetic acid (NAA).

Cosmos has rich and colorful colors, including white, pink, pink, red, dark red, rose red, purple red, blue purple and other varieties. In addition, it has a long flowering period and is easy to plant. It is often used as a background material for flower beds, flower borders, flower groups, or planted in patches on the edge of the grass, around the bushes and on the roadside. It can also be used as a cut flower material.

Indole butyric acid: Quickly dip the base in 500mg/Lindole butyric acid solution, dry it and insert it into the substrate, and use the full-day intermittent spray method to grow seedlings, which can promote rooting of cuttings and effectively improve the survival rate.

Festuca elata, also known as Festuca arundinacea Schred, is a cold-season turfgrass that is drought-resistant, heat-resistant, disease-resistant and salt-tolerant. It is also shade-tolerant and trampling-tolerant and is widely used as a turfgrass seed.