Even with normal care and maintenance an annual plant can be affected by disease.
Before trying to fight any disease, it is important to know what its causes are. Plant diseases can be caused by bacteria, virus, fungi or parasitic plants to name a few. They can be spread by soil, air, water, insects, other animals and even people. The best way to combat plant disease is to recognize the symptoms as soon as they appear and take action to combat the problem.
Listed below are some of the symptoms of diseases along with the solution to cure them.
Symptom–Leaves curl and shrivel, leaving the plants deformed
- Cause: Blights and viruses
- Cure: Remove and destroy the plants immediately, do not wash hands or smoke before handling the plants. Buy blight strains
Symptom–Newly spouted plants fall over and die
- Cause: Damping off
- Cure: Sow seeds in sterile soil mix
Symptom–Leaves covered with round, black or dusty spots start dropping from the plant
- Cause: Leaf spot
- Cure: Remove badly diseased leaves and spray with pesticides.
Symptom–Lower stems turn gray and look wilted
- Cause: Powdery mildew
- Cure: Increase air circulation in plants by trimming the stems and spray pesticides.
Symptom–Leaves look wilted with orange or reddish brown dots on them
- Cause: Rust
- Cure: Increase air circulation, keep the soil dry and spray pesticides.
Symptom–Leaves turn yellow and wilt, entire plant shuts down and eventually dies.
- Cause: Wilt
- Cure: Remove the infected plant and destroy before they start spreading to the other part
Symptom–Tiny unwanted growth of plants around your flowerbeds
- Cause: Weeds
- Cure: One way is control weeds is to remove them when they are small before they turn into a bigger nuisance. Another is to make use of mulch, which will shade out the weeds and help to retain soil moisture.
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