How to Prevent and Treat Gardenia Ulcer Disease
The editor answers for everyone on how to prevent and treat the green plant flowers related to Gardenia ulcer disease. Below, the editor provides a detailed explanation for you.
Symptoms of Gardenia Ulcer Disease:
The ulcer near the ground stem is the most harmful; the affected area becomes swollen due to xylogenesis and produces many longitudinal cracks, causing the ulcer to appear rough and wrinkled. In the later stage, the ulcer spot surrounds the stem, resulting in slow plant development and eventually death. Careful examination reveals many small black dots on the ulcer spot, with elliptical ulcer spots on the branches and stems. In the later stage, the epidermis necrotizes, exposing the xylem. In a few cases, it can also harm the leaves, producing nearly round, light brown spots, also with small black dots arranged in a concentric pattern.
The pathogen mainly overwinters in the form of mycelium or conidia on the diseased residues on the soil surface. The pathogen mainly invades through wounds, with the leaf scar on the recently defoliated cutting being a good infection site. The conidia produced on the stem base ulcer are continuously reinfecting through rain and dew, insects, and human operations (such as pruning, picking flowers). High temperature and humidity are the most suitable climatic conditions for disease occurrence.
Prevention and Control Measures for Gardenia Ulcer Disease:
① Careful management to avoid various injuries during the cultivation process of the plant.
② The sand and peat in the rooting medium (seedling bed soil) must be sterilized with heat or treated with carbendazim for soil treatment. The soil in the pot that has been in contact with diseased plants should also be disinfected.
③ branches or plants that cannot be treated should be removed and destroyed.
④ Cuttings should be taken from healthy plants, avoiding rough cuts during pruning. Soaking cuttings in a carbendazim solution helps prevent disease.
⑤ If the plant is accidentally damaged or has some disease, it should be promptly sprayed with carbendazim, Bordeaux mixture, and other agents.
The above is a specific introduction on how to prevent and treat Gardenia ulcer disease. I hope everyone likes it!