A Detailed Guide to Gerbera Daisy Planting Techniques: Everything You Need to Know About Planting and Care

Before planting gerbera daisies, sow the selected seeds in prepared plug trays, then place the trays on a hotbed for seedling cultivation. About 6 weeks after sowing, seedlings will emerge; once the seedlings have grown 4-5 full leaves, they can be transplanted and scheduled. The best transplanting time is from late March to mid-April, and they should be planted shallowly at transplanting. Finally, post-planting care should be done well, including work on temperature, light, and water and fertilizer.

Common diseases and pests of gerbera daisies:

1. Powdery mildew

Powdery mildew mainly harms the leaves. In the early stage, white powdery spots form on the leaf surface, gradually spreading across the leaf surface, and finally the leaves turn yellow-brown and dry up. The pathogen overwinters with infected leaves and leaf debris. It spreads through rain and airflow and occurs year-round, but is more severe from May to June. It occurs heavily when conditions are humid, stuffy, and enclosed.

Control: At the end of the plant's growth period, promptly remove diseased and residual tissue and burn it, and avoid continuous cropping; apply more phosphorus and potassium fertilizer, avoid excessive nitrogen fertilizer, and improve plant disease resistance; strengthen ventilation and light transmission, and avoid excessive humidity. In the early stage of the disease, spray sulfur suspension concentrate, triadimefon, diniconazole, and other agents.

2. Viral disease

Infected plants develop chlorotic rings on the leaves, and individual lesions become necrotic spots. When infection is severe, the leaves become smaller, shrunken, and hairy, the flowers become broken-colored, the blooms become smaller and misshapen, the flower color is uneven, and the plant becomes dwarfed.

Control: Pay attention to field sanitation, and promptly pull out and burn diseased plants when found; use tissue-cultured virus-free seedlings as mother plants and establish a virus-free mother plant base; promptly control nematodes, thrips, and other virus-transmitting vectors, and avoid sap transmission of the virus; spray virus A, virus special, and other agents to prevent or reduce the occurrence of the disease.

3. Spider mites mostly use adults or nymphs to pierce and suck on the underside of leaves. In the early stage, large numbers of chlorotic spots appear on the leaf surface; in severe cases they turn brown, the tissue thickens, and the leaf margin surface curls up. As flower buds sprout, the mites move to the young petals to cause damage, causing the petals to turn brown and fail to open.

Control: Spray propargite, azocyclotin, abamectin (avermectin), and other agents for control.

In addition, pests and diseases such as leafminers, greenhouse whiteflies, and foot rot also harm the growth of gerbera daisies, so everyone must be sure to do a good job of prevention and control.