Experts have highlighted that celery soft rot is caused by the bacterium *Carrinocarpus rot*. This pathogen primarily resides in fields or composts and survives the winter in these environments. When conditions are favorable, the bacteria are spread through rainwater, irrigation water, and insect vectors such as the yellow striped triceratops and cabbage caterpillars. These pathogens enter plants through natural cracks, mechanical wounds, or insect-induced injuries on the roots, then move into the vascular system, multiply, and cause the initial infection, which can lead to a second outbreak. In addition to celery, this disease can also affect carrots, cucumbers, and cruciferous vegetables like radishes and Chinese cabbage, impacting over 20 different types of crops.
The symptoms of celery soft rot typically appear at the base of the petioles. Infected areas develop water-soaked spots that gradually expand into brown, spindle-shaped or irregularly shaped lesions. During dry periods, the disease tends to stop spreading, but when humidity is high, it progresses rapidly. The affected tissues become wet and soft, with the internal structures decaying while only the outer skin remains. A foul odor is often emitted from the infected parts.
To effectively manage and prevent celery soft rot, a combination of agricultural practices and integrated pest management strategies should be implemented. This includes selecting resistant varieties, improving cultivation techniques, and applying chemical treatments when necessary for optimal results.
First, crop rotation is essential. It is advisable to avoid planting celery alongside other susceptible crops like cruciferous vegetables in consecutive seasons. Rotating with non-host crops for 2–3 years helps reduce pathogen buildup in the soil. This practice allows the land to rest, improves soil structure, and promotes the breakdown of infected plant material, ultimately reducing the survival of the pathogen.
Second, proper field management plays a crucial role. Deep furrow cultivation and timely drainage after rainfall help lower the groundwater level, minimizing the risk of bacterial spread via water. Applying small amounts of water and ensuring balanced fertilization can further reduce the chances of disease transmission. Adequate organic fertilizer should be used, and field operations should be carried out carefully to avoid mechanical damage that could create entry points for pathogens.
Third, field sanitation is important. As soon as diseased plants are detected, they should be removed and treated promptly. Watering both the infected and surrounding healthy plants can help reduce disease incidence. After harvest, all plant debris must be cleared, transported away, and either buried or burned. The soil should be deeply tilled to accelerate decomposition and reduce pathogen survival.
Fourth, chemical control measures are necessary when the disease is detected early. Spraying should begin at the onset and be repeated every 7–10 days for 2–3 applications. Suitable fungicides include 47% Garethon WP diluted 600–800 times (125–165 grams per acre), 72.2% Precise at 1000 times (100 grams per acre), Amine Wettable Powder at 800 times (125 grams per acre), 30% DT Wettable Powder at 600 times (165 grams per acre), and 50% Doxamine Water at 800–1000 times (100–125 grams per acre). In severe cases, foliar sprays can also be used for additional protection.
Active Pharmaceutical Ingredients
We are a specialized manufacturers of Active Pharmaceutical Ingredients from China; with advanced R & D and manufacturing in Medicine Raw Material. With high-quality products of Medicine Raw Material, we can be a trust suppliers / factory. As a wholesale of Guanfacine HCL, Isoniazid 99%, Deoxycholic Acid, Tetrahydrocurcumin, we have the perfect after-sales service and technical support. Look forward to your cooperation!
Guanfacine HCL,Isoniazid 99%,Deoxycholic Acid,Tetrahydrocurcumin,Medicine Raw Material
Xi'an Quanao Biotech Co., Ltd. , https://www.quanaobio.com