Recliner Chairs,Small Recliner Chair,Recliner Chair Sale,Cheap Recliner Chairs Jiangyin Kaili Health-Care Equipment CO., LTD. , https://www.kailimed.com
(1) Tulip decay Sclerotinia. The disease harms the 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 the injured or diseased bulbs, pay attention to indoor ventilation, and control the temperature at about 17-20 degrees Celsius. 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.
(2) Tulip colored virus. After the damage to the tulip, the bulbs germinated and their quality decreased. The flowers are degraded year by year, and the flowering period is delayed. When flowers are damaged, light yellow or white streaks or irregular spots appear on the petals, creating a discolored flower on red or purple varieties. Double flower is more susceptible to disease than single flower. Leaves can also be victimized. When the damage occurred, the leaves appeared lighter spots or stripes, and some local chlorophylls were transparent.
Control methods: 1 If there is a weak or severely degraded strain, remove it in time. 2 In the affected area, 40% of omethoate EC can be sprayed with 1000 times of liquid to prevent and control. In order to reduce the chance of aphid transmission, it can be sprayed with 2.5% of rattan extract 800-900 times liquid.
(3) rooting the roots. Damage to bulbs in soil or during storage causes bulb rot, resulting in poor plant growth and yellow leaves withering.
Control method: Use 50% ethyl chloroformicidal alcohol 1000 times solution to inject into bulbs, which can effectively control, or put the damaged bulbs in thin lime water for 10-15 minutes, rinse after being removed, and also can effectively prevent and control This worm. For the prevention and control of the above-mentioned other pests and diseases, reference can be made to the pest control methods of the corresponding flowers in this book.
How to prevent and control tulip pests and diseases
During the cultivation of tulips, it is susceptible to decay, Sclerotinia, Botrytis cinerea, broken colored petal disease, rot disease, thrips, and roots.