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Common Clove Tree Diseases: Learn How To Treat A Sick Clove Tree

Common Clove Tree Diseases: Learn How To Treat A Sick Clove Tree


By: Mary H. Dyer, Credentialed Garden Writer

Clove trees are drought-tolerant, warm climate trees with evergreen leaves and attractive, white blooms. The dried buds of the flowers are used to create the fragrant cloves traditionally used to spice up a number of dishes. Although they are generally hardy and easy to grow, clove trees are susceptible to several clove tree diseases. Read on for more information about diseases of clove trees and tips on how to treat a sick clove tree.

Clove Tree Diseases

Below are the most prevalent diseases that affect clove trees.

Sudden Death – Sudden death disease of clove trees is a major fungal disease that affects the absorbing roots of mature clove trees. Seedlings are immune to the disease and young trees are highly resistant. The only warning of sudden death disease is chlorosis, which refers to yellowing of the leaves due to lack of chlorophyll. Death of the tree, caused when the roots are unable to absorb water, make occur in a few days or may take several months.

There is no easy cure for sudden death disease, which is spread by waterborne spores, but clove trees affected are sometimes injected with repeated injections of tetracycline hydrochloride.

Slow Decline – Slow decline disease is a type of root rot that kills clove trees over a period of several years. Experts believe it is associated with sudden death disease, but affects only saplings, often in areas that have been replanted after clove trees have succumbed to sudden death.

Sumatra – Sumatra disease is a bacterial disease that generally leads to death of clove trees within three years. It causes yellowing leaves that may wilt or drop from the tree. Grayish-brown streaks may appear on new wood of diseased clove trees. Experts believe Sumatra disease is transmitted by Hindola fulva and Hindola striata – two types of sucking insects. There is currently no cure, but pesticides control the insects and slow the spread of the disease.

Dieback – Dieback is a fungal disease that enters the tree through a wound that occurs on a branch and then moves down the tree until it reaches the junction of the branch. All growth above the junction dies. Dieback often occurs after the tree is injured by tools or machinery or by improper pruning. Branches of diseased clove trees should be removed and burned, followed by treatment of the cut areas with a paste-type fungicide.

Preventing Clove Tree Diseases

Although this tropical tree requires regular irrigation during the first three or four years, it’s critical to avoid overwatering to prevent fungal diseases and rot. On the other hand, never allow the soil to become bone dry.

Rich, well-drained soil is a must as well. Clove trees aren’t suitable for climates with dry air or where temperatures drop below 50 F. (10 C.).

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Read more about Clove Tree


Because it hails from the Carribean, allspice will grow well in tropical areas. Plant the tree in an area that gets light for about 40 percent of the daytime. The saplings require more light to stay healthy, but the trees only need a little bit of light to thrive. Plant allspice in loose and well-moistened soil. You can grow it outdoors until it reaches 40 feet high.

Space allspice trees out allowing thirty feet on each side to give each tree plenty of room to expand and let its roots stretch out underground. Allotting this much space to each tree allows their full canopies to spread. Be sure to provide both male and female trees in the general area where you are growing new allspice trees, as both tree types need to be nearby in order to encourage cross-pollination.


Growing Clove plants in containers

  • Buy pollinated cloves seeds from a reputed seed shop. Before purchasing seeds make sure that the seeds have been collected recently, as dried clove seeds do not germinate.
  • You can plant clove in a pot but it will not be so long. For this select the container with at least 18 inches diameter.
  • First of all, check the proper drainage system in your pot. Fill about 2/3 of your pot or plotter with rich, loamy soil. Clove trees prefer moist soil, but can not soggy. Add water to the soil so that it becomes moist before planting.
  • Place the syzygium aromaticum seeds on the soil surface. There is no need to cover your clove seeds with soil. If a clove seed is already root in the seed, then you gently plant it in the soil.
  • Cover your clove seeds with a clear plastic sheet, because these trees are tropical and grow well in humid conditions, it gives the seed a humid atmosphere. During germination, keep the soil moist.
  • Keep your container in a bright spot, the temperature of 65 to 80 degrees Fahrenheit is better for this. Although clove trees prefer sunny places, save seed germination from direct sunlight.
  • It takes two to three weeks for the seeds to germinate. Sometimes it takes more than a month for the seeds to sprout, you should not be disappointed. Before the seeds sprout, they develop their root.
  • Keep the container plants in a sunny and warm place, and the soil moist. The soil should not be waterlogged, otherwise, the root of the clove tree may rot.
  • Give your syzygium aromaticum tree organic fertilization in the spring, which contains natural organic matter and decomposed compost. Follow the instructions written in packets in the purchased manure. Read more.

Pest problem with clove plants

Clove trees do not have any problem with special insects. These trees are susceptible to certain diseases, especially when they continue to grow in the wrong growing conditions. These plants may occasionally have problems like sprouted wilt, root rot, leaf spot, scale, and mealybugs.

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How to grow Cloves