Pests and Traveler-Infectious Diseases
Colletotrichum Gloeosporioides is a common fungus that can affect many crops around the world.. It is especially dangerous to tropical plants. It attacks tomatoes and citrus plants, as well as yams.
The fungus attacks damaged tissue and can cause different symptoms depending on the tree. On fruit, dark lesions may appear, which can be either black or brown. This is quite common.
Lesions on flowers may look a lot more like streaks. Infected leaves can develop unusual patterns or colours.
The stems will suffer from dieback and a change in colour. You’ll need to dispose of the fruit and parts of the tree that are infected.
Leaf spots are often caused either by fungus or bacteria. Leaf spot is quite a common sight on trees and usually you don’t need to do much in terms of treatment.
If you’re looking for a natural defence, you can make up your own baking soda spray. Combine one teaspoon of baking soda with one litre of water. You can also add liquid soap to help the leaves stick to it.
Root rot can be caused by overwatering which means the roots then don’t get enough oxygen and start to rot and die. Root rot can also happen from fungus.
Sometimes the fungus may be present in the soil for a while. However, if the tree has too much water, the fungus can be activated and take over.
You’ll know you’re dealing with root rot in your tree if you notice that growth becomes stunted and it starts to wilt. Leaves are often discoloured and you’ll notice dieback as well.
If the infected roots are removed early enough to stop the spread of the disease, it is possible to save the tree. If the infection is too far advanced, you’ll have to remove the tree.
Spider mites first appear as yellow spots on leaves or white spots, a bronze or yellow spot on some parts of the tree or what appears to be silky webs on the stems and leaves.
It is easy to get rid of spider mites by using alcohol and water. To make a spray, combine one cup of alcohol with just under a litre of water.
Spray both sides of the leaves using a sprayer. Then wipe them clean with a towel. Another natural defense against spidermites is neem oil. It’s a great repellent that actually smothers spider mites.
You can use neem oil on the pests to provide a long-lasting solution. As a first step, you can use an insecticidal shampoo. Next, apply your Neem oils.
If you’re finding nature’s pests are getting the better of you and your garden, why not have a look at our natural and organic pest control guide.
There are many great solutions to your environmental problems, even though it is tempting to go for the chemical route first.
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