What are the diseases of crop plant?
What are the diseases of crop plant?
bacterial
- aster yellows.
- bacterial wilt.
- blight. fire blight. rice bacterial blight.
- canker.
- crown gall.
- rot. basal rot.
- scab.
What are the common disease of crops and their symptoms?
Control
| Some bacterial diseases of plants | ||
|---|---|---|
| disease | causative agent | symptoms and signs |
| aster yellows | Mycoplasma-like organism (MLO) | chlorosis; dwarfing malformations |
| citrus stubborn disease | Spiroplasma citri (MLO) | chlorosis, yellowing of leaves, shortened internodes, wilting |
What are the different plant diseases?
Common Plant Diseases
- Black Spot.
- Other Leaf Spots.
- Powdery Mildew.
- Downy Mildew.
- Blight.
- Canker.
What causes diseases in crops?
Infectious plant diseases are caused by living (biotic) agents, or pathogens. These pathogens can be spread from an infected plant or plant debris to a healthy plant. Microorganisms that cause plant diseases include nematodes, fungi, bacteria, and mycoplasmas.
What are the 10 symptoms of plant diseases?
A sign of plant disease is physical evidence of the pathogen. For example, fungal fruiting bodies are a sign of disease….Dark red kidney bean leaf showing bacterial leaf spot symptom (brown leaf spot with yellow halo). Photo credit: Fred Springborn, MSUE
- Mosaic leaf pattern.
- Crinkled leaves.
- Yellowed leaves.
- Plant stunting.
What are the most common diseases in plants?
Most Common Plant Diseases and Solutions
- Powdery Mildew. Most powdery mildew are very host specific, mildew on cucumbers will not infect roses.
- Black Spot. This is a common fungal disease of roses.
- Bacterial Canker or Blight.
- Shot Hole.
- Black Knot.
- Rust.
- Late Blight / Early Blight.
- Apple Scab.
What is the most common plant disease?
What are the causes of crop disease?
What Causes Crop Diseases?
- Extreme temperatures.
- Moisture.
- Wind.
- Frequent and heavy rain.
- Drought or flood.
- Excess or deficiency of nutrients.
- Soil compaction.
- Chemical injury caused by pesticides or salts.
How do you identify crop disease?
Diseased plants can be identified by abnormal growth or by signs of the disease-causing organism, such as bacterial slime (an external sign of a disease called bacterial wet wood) or insect larvae which hatches from eggs and feeds on leaves.
What are some common crop diseases?
Powdery Mildew. Problem: Powdery mildew leaves a telltale white dusty coating on leaves,stems and flowers.
What are examples of crop diseases?
Examples of these biotic diseases include the potato cyst nematode, pine wilt and soybean cyst nematode. As ascertained from their names, these crop diseases invade the sensitive root or vascular systems of the crops and cause cysts that stunt plant growth and sharply decrease crop yields.
What is the name of the crop disease?
Croup, also known as laryngotracheobronchitis, is a type of respiratory infection that is usually caused by a virus. The infection leads to swelling inside the trachea, which interferes with normal breathing and produces the classic symptoms of “barking/brassy” cough, stridor, and a hoarse voice. Fever and runny nose may also be present.
What causes plant disease?
Most plant diseases – around 85 percent – are caused by fungal or fungal-like organisms. However, other serious diseases of food and feed crops are caused by viral and bacterial organisms. Certain nematodes also cause plant disease.
