Disease # 3. Zephyranthes sp. This is only a brief overview about some of the common magnolia tree diseases. Several plant diseases can affect the tulip tree. Learn about tulip viruses and how to manage them, in our expert guide. Remove diseased and dead branches and dispose them properly. Major increases in consumer demand in the first half of the twentieth century were associated with the identification of many new disease problems. Tulip poplar trees produce a beautiful bloom closely resembling a yellow and green tulip. The fungus known as Armillaria mellea causes a soft, spongy, gray or white rot to occur. To control this disease, destroy the diseased plants when found and control the aphid population by spraying 0.1% Rogor (1 ml/L of water). So protect your magnolia tree from injuries. Informational table showing disease name, symptoms, pathogen/cause, and management of Tulip Poplar diseases. Tulip virus. (Amaryllidaceae): Wood rot is usually seen in older trees and can lead to their death. The tulip poplar is extremely hardy and seldom succumbs to any pests or diseases. This fast growing member of the magnolia family is majestic standing alone in a large grassy area. Monday, 18 March, 2019 at 3:00 pm . It is similar to the Botrytis disease of tomatoes and just as destructive. A table displaying which months are best to sow, plant and harvest. By BBC Gardeners' World Magazine. Solve problems. Virus (Tulip Breaking Mosaic): Viruses are very common in tulip which spreads by cutting of flowers or by the attack of several species of aphids. The tulip shaped leaves flutter in even the slightest breeze. Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec; Time to act; Time to act: J Do not Time to act in January F … It may be observed by the foliage turning first yellow then grey, which spreads as rapidly as a forest fire. This is by far the most serious of all tulip diseases, but only seems to reach serious proportions when the bulbs are grown under high forcing condition and rarely affects bulbs grown outdoors. Abstract. Diseases. Major increases in consumer demand in the first half of the twentieth century were associated with the identification of many new disease problems. Disease # 4. Tulip virus; This competition is now closed. Tulip is the most important ornamental geophyte worldwide, grown for bulbs, cut flowers, potted plants, and landscape use. The disease is identified by the fruiting fungal bodies (called conks) that develop on the trunk of the affected tree. The top of the tree can break and limbs can die due to a white heartwood rot that the Collybia velutipes pathogen causes.