Types Of Plant Diseases Pdf

April 21, 2024 Post a Comment

Types of plant diseases pdf

Common Plant Diseases

<ul class="i8Z77e"><li class="TrT0Xe">Black Spot.</li><li class="TrT0Xe">Other Leaf Spots.</li><li class="TrT0Xe">Powdery Mildew.</li><li class="TrT0Xe">Downy Mildew.</li><li class="TrT0Xe">Blight.</li><li class="TrT0Xe">Canker.</li></ul>

What is plant disease PDF?

Plant disease is any departure from a plant's healthy state, expressed with marked symptoms, maladies and disorders on shoots, leaves, flowers, fruits, stem and roots. A plant is considered. healthy when it has a normal growth and produces good yield, but is considered diseased if it.

What is the most common plant disease?

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 are the major causes of plant disease?

Infectious plant diseases are mainly caused by pathogenic organisms such as fungi, bacteria, viruses, protozoa, as well as insects and parasitic plants [1]. With the development of agriculture, infectious plant diseases have become an increasingly significant factor affecting crop yield and economic efficiency.

What are the four common plants disease?

1 What are the most common plant diseases? Powdery Mildew, Black Spot, Bacterial Canker, Shot Hole, Black Knot and Rust are common plant diseases.

What is plant disease and example?

Plant disease is defined as the state of local or systemic abnormal physiological functioning of a plant, resulting from the continuous, prolonged 'irritation' caused by phytopathogenic organisms (infectious or biotic disease agents).

What are the 4 general principles in plant diseases control?

One early proposal by H. H. Whetzel included four general disease control principles, exclusion, eradication, protection and immunization (the latter principle is more appropriately called resistance since plants do not have an immune system in the same sense as animals).

What are the characteristics of plant disease?

A symptom of plant disease is a visible effect of disease on the plant. Symptoms may include a detectable change in color, shape or function of the plant as it responds to the pathogen. Leaf wilting is a typical symptom of verticilium wilt, caused by the fungal plant pathogens Verticillium albo-atrum and V. dahliae.

What is plant diseases cycle?

Plant disease cycles represent pathogen biology as a series of interconnected stages of development including dormancy, reproduction, dispersal, and pathogenesis. The progression through these stages is determined by a continuous sequence of interactions among host, pathogen, and environment.

What are the 10 common plant diseases?

Here Are 10 Common Plant Diseases In North America:

Blight. Blight is easily recognizable by the sudden death of all plant tissue including leaves, stems, and flowers.
Canker. Canker is identifiable by a dead area on the stem that is often discolored.
Gall. ...
Leaf Curl. ...
Leaf Spot. ...
Powdery Mildew. ...
Root Rot. ...
Wilt.

What types of diseases are there?

There are four main types of disease: infectious diseases, deficiency diseases, hereditary diseases (including both genetic diseases and non-genetic hereditary diseases), and physiological diseases. Diseases can also be classified in other ways, such as communicable versus non-communicable diseases.

What are common bacterial plant diseases?

Some bacterial diseases of plants
disease	causative agent	hosts
Granville wilt	Pseudomonas solanacearum	tobacco, tomato, potato, eggplant, pepper, and other plants
fire blight	Erwinia amylovora	apple and pear
wildfire of tobacco	Pseudomonas syringae	tobacco

What are the 3 types of causes of plant disease?

i) Fungi: Potato wart, powdery mildew, rust, smuts, red rot of sugarcane (nearly 80% of plant diseases are caused by fungi). ii) Straminopiles (Oomycetes): Downy mildews, late blight of potato, white rust of crucifers, damping off etc. iii) Protozoa: Hart rot of coconut palm and phloem necrosis of coffee.

Can you name 4 causes of plant disease?

Infectious plant diseases are caused by a pathogenic organism such as a fungus, bacterium, mycoplasma, virus, viroid, nematode, or parasitic flowering plant.

What are the methods of preventing plant diseases?

Nine Keys to Plant Disease Prevention

Understand the mechanism of infection.
Choose the right plants for your site. ...
Use disease-resistant varieties. ...
Keep a clean garden: roguing, rotating crops, and sanitizing tools. ...
Create a well-balanced soil. ...
Keep plants healthy: proper watering, mulching, pruning, and fertilizing.

What are the main types of diseases in fruit plants?

Fruit and vegetable diseases

Diseases caused by fungi and bacteria. Bacterial speck. Clubroot. Leaf spot diseases. Damping-off. Downy mildew. Powdery mildew. Tuber diseases. White mould. Wilt diseases.
Viruses and mycoplasmas. Blossom end rot.

What is plant disease in agriculture?

What is called plant disease?

A plant disease is defined as “anything that prevents a plant from performing to its maximum potential.” This definition is broad and includes abiotic and biotic plant diseases.

What are methods of disease control?

In health care and public health practice settings, infection control includes various measures that prevent and contain the spread of infectious disease. These measures include: Hand Washing. Infection control standard, contact, droplet and airborne precautions.

What are the six principles of plant disease management?

The six fundamental principles of disease management are exclusion, eradication, protection, resistance, therapy, and avoidance of insect vectors and weed hosts.