Wilt and Leaf Spot of Tomato (Fusarium, Bacterial and Spotted Wilt, Septoria Leaf Spot and Bacterial Leaf Spot):: Cause and Management:: Photo/Images

tomato-wilt-photo-image
Tomato Wilt

Wilt of Tomato– This post explains basic characteristics and control measures of different types of Wilt and Leaf Spots in Tomato with Photos/Images. Images of Different Types of Wilt e.g., Fusarium Wilt, Spotted Wilt and Images of Different Types of Leaf Spot e.g., Bacterial Leaf Spot, Septoria Leaf Spot are main content of this post.

Images of this post was taken from a tomato field attacked and damaged by the wilt just after rain during winter season.

INDEX

1.Introduction: Wilt of Tomato
2.Importance
3. Cause
4. Characteristics
5. Management
6.Photos/Images
7.Frequently Asked Questions
8.Explanation Of Post Related Words

1. Introduction: Wilt of Tomato

Wilting in tomato is a serious problem. Tomato plants are destroyed by the different types of wilt. Plant of all stages are affected by the disease.

TYPEPlant disease, disease of tomato
CauseFungus, bacteria, bad weather e.g., rain.
DamageSevere
OriginSoil born
OccurrenceMore occurrence after rains

2. Importance

This is a very important disease of tomato. Tomato growers face heavy loss due to rapid wilting. Percentage of damage is very high. All plants of a field can be affected at the same time. Economic loss is very signicance. Although, the damage can be covered with Crop Insurance.

3. Causes

3.1 Wilt

Non Biological Factors

Rain: Unwanted, regular and persistent rain is major cause of the wilt. It is a non-biological factor. It triggers biological factors.

Mist: Mist for a long period or persistent mist can cause severe damage. It also triggers activity of harmful microorganisms.

Biological Factors

We will consider fungus, bacteria and virus as biological factors.

Fungus: Fusarium wilt of tomato is common type of wilt caused by fungus, Fusarium oxysporum sp. lycopersici.

Bacteria: Bacterial wilt of tomato is common type wilt caused by bacteria, Burkholderia solanacearum.

Virus: Tomato spotted wilt disease is major wilt caused by the virus- Groundnut Bud Necrosis Virus.

3.2 Leaf Spots

Bacteria: Bacterial leaf spot disease of tomato caused by Xanthomas campestris pv. vesicatoria.

Fungus: Septoria leaf spot is caused by the fungus Septoria lycopersici.

4. Characteristics

4.1 Characteristics of Wilt

Leaves: Leaves become dry. It looks like leaves of tobacco.

Branches: Branches turn into dark brown.

Fruit: Fruit dropping and rotting are common symptoms.

4.2 Characteristics of Tomato Leaf Spot

Small to medium dark spots appear on leaf surface.

5. Management

Wilt

Bacterial Wilt: Cultural practices e.g., crop rotation.

Spotted Wilt: Killing vector of virus. Destroying affected plants.

Fusarium Wilt: Adopt crop rotation. Soil drenching with fungicide.

Leaf Spot

Bacterial Leaf Spot: Seed treatment with mercuric cloride.

Septoria Leaf Spot: Seed treatment with thiram. Spraying mancozeb 0.2%.

6. Photos/Images

6.1 Image 01 to 02: Affected Field

Image 01: View of affected field
Image 02: View of affected field

Heavy rain for 3-4 days during winter season caused the disease.

6.2 Image 03 to 07: Stagnant Water on Tomato Field

Image 03
Image 04
Image 05
Image 06
Image 07

6.3 Image 08 to 10: Fruit Drop and Rotting

Image 08: Unripe rotted berry
Image 09: Fallen ripe berry with rotten end
Image 10: Cat’s Eye

6.4 Image 11 to 12: Wilt and Lead Spot

Image 11: Affected leaves
Image 12: Septoria lead spot

7. Frequently Asked Questions

Question 01. What is the procedure of crop insurance?

Answer: Easiest way of crop insurance is to contact with horticulture department.

8. Explanation Of Post Related Words

Cultural practices

Hoeing, crop rotation, pruning, training etc. are examples of cultural practices.

-BY SHASYADHARA AGRICULTURE


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1. Author and Content Writer. 2. Agriculture Consultant and Farmer's Trainer. 3. Agriculture Entrepreneur.

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