GUNGUN SEEDS AND AGROCHEMICALS RESEARCH AND TRAINING INSTITUTE

Bacterial Diseases in Plants and Control

Bacterial diseases in plants are a major threat to the health of crops and other vegetation. Bacterial diseases are caused by a variety of bacterial organisms, such as Pseudomonas, Xanthomonas, and Erwinia. These bacteria can cause a range of symptoms in plants, from wilting and yellowing of leaves to stunted growth and death of the plant. In some cases, bacterial diseases can spread rapidly across a field, resulting in significant crop loss. These diseases can be difficult to diagnose due to the wide range of symptoms they can cause. Common bacterial diseases in plants include bacterial canker, bacterial leaf spot, bacterial crown and root rot, bacterial blight, and bacterial wilt.

  1. Bacterial canker is a disease which causes areas of dead tissue to form on stems, fruits, and foliage. It is caused by a bacterial species known as Pseudomonas syringae. Symptoms of bacterial canker include yellow or brown spots on leaves, premature defoliation, and wilting.
  2. Bacterial leaf spot is a disease caused by the bacterium Xanthomonas campestris. Symptoms of this disease include yellow, brown, or black spots on leaves and stems. In some cases, leaves may drop prematurely.
  3. Bacterial crown and root rot is a disease caused by the bacterium Erwinia carotovora. This disease is characterized by soft spots on the crown and roots of a plant, yellowing leaves, and wilting.
  4. Bacterial blight is a disease caused by the bacterium Pseudomonas syringae pv. syringae. Symptoms of this disease include yellow spots on leaves and stems, as well as wilting.
  5. Bacterial wilt is a disease caused by the bacterium Erwinia tracheiphila. Symptoms of this disease include wilting of leaves, yellowing of foliage, and death of plant parts.

All of these bacterial diseases can cause serious damage to plants. It is important to be aware of the signs and symptoms of these diseases, as early detection and treatment is key to preventing further damage. Early detection is key to managing bacterial diseases in plants. Symptoms can be detected early by examining leaves and other plant parts for discoloration, wilting, and other damage. 

Detection and Control:

Plant samples should be collected and tested for bacterial presence using either culture or molecular techniques. 

Once a bacterial pathogen has been confirmed, a plan of action should be implemented to contain the spread of the disease and reduce the amount of crop loss.

Cultural control methods are the most widely used to manage bacterial diseases in plants. These methods include crop rotation, destruction of diseased plants, and sanitation of equipment. 

Chemical control options, such as fungicides, antibiotics, and plant growth regulators, are also available, but should only be used when other control measures are not successful.

Bactokill-  a immunomodulator

Bactokill is a broad spectrum bactericide that contains

95% 2-Bromo-2 Nitro Propane-1,3-Diol Cristal (BNP) is a preservative that is used in wastewater treatment. It is an antimicrobial agent that has synergistic effects with other antimicrobial agents such as triclosan, benzalkonium chloride and sesquiterpene lactones. 

2-Bromo-2-nitro-1,3-propanediol Synonym(s): BNPD, BNPK, Bronopol, has been shown to have a phase transition temperature of -28°C, which can be used to identify it in the laboratory. This compound also has a pK value of 4.4, which indicates that it is weakly acidic with Atomic Mass  79.904 u, Atomic Number 35, Electronegativity 2.96, Electron Configuration [Ar] 3d104s24p5 and Linear Formula: HOCH2C(Br)(NO2)CH2OH. The mp is 130-133 °C (lit.) and solubility is H2O: soluble 100 mg/mL, clear, colorless to faintly yellow.

it is recommended for the control of  
Target Crops
  1. Paddy, 
  2. Cotton, 
  3. Chilli,
  4. Betalvine, 
  5. Tomato, 
  6. Citrus, 
  7. Grapes, 
  8. Vegetables etc.


Dosage: 20 gm./60 lts. water

Packaging TypeBags/ 20 gm Pouches
Physical StatePowder
UsageAgriculture
Purity100%
ColorWhite

Precautions: 

  1. Avoid direct contact with skin and eyes.
  2. incase of contact, wash with cold water
  3. keep away from children and pets




Hazard Classifications 

Acute Tox. 4 Dermal 
- Acute Tox. 4 Oral 
- Aquatic Acute 1 
- Aquatic Chronic 1 
- Eye Dam. 1 
- Skin Irrit. 2 
- STOT SE 3

Prone Organs      Respiratory system

Storage Class Code  4.1B - Flammable solid hazardous materials

Personal Protective Equipment use is recommended

dust mask type N95, Eye shields, Gloves


In conclusion, bacterial diseases in plants are a major threat to crop production and should be managed using a combination of cultural and chemical control methods. 
Early detection of symptoms is essential for successful management of bacterial diseases, and proper sanitation of equipment is important to minimize the spread of disease.