Tulip disease and pest control
During the cultivation of tulips, it is susceptible to decay, sclerotia, gray mold, broken colored petal disease, rot disease, thrips, and root licking.
Tulip rot sclerotium disease This disease harms tulip seedlings and bulbs. After the seedlings become infected, the young leaves die when they die. When the bulb is victimized, external scales are softly rotted, and sclerotia are produced at the diseased part and nearby ground surface. The sclerotia are white at first and later brown, but the inside of the bulb is still good.
Control methods: 1 When bulbs are stored, remove injured or diseased bulbs, pay attention to indoor ventilation, and control the temperature at 17°C~20°C. 2 Soil disinfection before planting. 3 If the plant is found to be sick, immediately remove the diseased plant. The remaining plants were sprayed with 80% zein zinc wettable powder 500 times.
In the soil or during storage, the roots cause damage to the bulbs, causing poor plant growth and yellow leaves withering.
Control method: Use 50% ethyl chloroformate to inject 1000 times solution into bulbs, which can effectively prevent or treat damaged bulbs in thin lime water for 10~15 minutes. This worm.
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