1. Dianthus caryophyllus disease and its control 1, root rot
In the process of spring maintenance, if water and fertilizer are not given in place, plants are prone to root rot and their roots will gradually rot. At this time, it is necessary to cut off the roots of the disease, disinfect the roots and soil with carbendazim, and re-cultivate the plants in the pot for maintenance.
2. smut
Dianthus japonica usually propagates through seeds. However, if the seeds are not disinfected, the plants are prone to smut, which affects the growth of plants in potted soil. It is necessary to treat the diseased parts of plants and disinfect them with common disinfectants. First, they should be disinfected with carbendazim every time.
2. Dianthus caryophyllus pests and their control 1, caterpillar
When it comes to pests and diseases, Dianthus caryophyllus is vulnerable to caterpillars, and its roots, branches and leaves will be bitten, and its excreta will also induce diseases. Therefore, it is necessary to immediately replace the new pot soil, strengthen ventilation management, and irrigate its plants with chemicals such as cyanide emulsifiable concentrate for prevention and control.
2. Aphids
Whenever Dianthus caryophyllus is harmed by aphids, the plant will grow badly, which will affect the normal growth of the plant and may even lead to failure to bloom. The plants can be treated manually with toothpicks and clean water, and the surrounding weeds need to be treated to reduce the harm of aphids, and pesticides such as chlorpyrifos emulsion should be sprayed on the plants to control aphids.