How to prevent and control lily disease?

2024-03-12 18:06:54

Hazards of lily disease:

Lily blight, also known as lily foot rot, lily disease mainly affects stems, leaves, flowers, scales and bulbs. Linyi Fertilizer Network Copyright
The stem is infected with water and immersed in brown rot, gradually expanding upwards and downwards, increasing the stem rot, causing the plant to collapse or die; the leaves are infected with water-immersed plaques, which expand into gray-green large spots; the flowers are soft and rot The bulbs are stained with water-immersed brown spots, which rot and expand to produce a sparse white mold layer. Linyi Fertilizer Network Copyright
Lily blight incidence environment: Linyi Fertilizer Network Copyright
The growth temperature limit of lily blight pathogen is 10-32 degrees, and the growth rate is the fastest at 25 degrees. Adapt to pH 3.5-11.5; the most suitable is 6. The weather is humid and rainy, especially after each heavy rain, poor drainage, which is conducive to the occurrence and spread of the disease. Linyi Fertilizer Network Copyright
Lily blight prevention and control method: Linyi Fertilizer Network Copyright
Method 1: Using high-slot deep ditch or ridge cultivation, the diseased plants are found, and they are excavated early and burned intensively. Linyi Fertilizer Network Copyright
Method 2: Apply fully decomposed organic fertilizer, increase season potassium fertilizer, and improve disease resistance. Linyi Fertilizer Network Copyright
Method 3: 40% triethylphosphonate wettable powder 250 times solution or 58% metalaxyl is sprayed at the beginning of the disease. Mn-Zn wettable powder 500 times solution, 64% anti-virus 矾 wettable powder 500 times solution, 72% DuPont condensed WP 800 times solution. The medication was stopped 3 days before harvesting. Linyi Fertilizer Network Copyright
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