After successful completion of this Lesson, you have learned to

• Describe the symptoms of bacterial leaf spot disease in groundnut.

Virtual Academy for the Semi Arid Tropics

Lesson 2: Bacterial Leaf Spot

Course on Diseases of Groundnut

Module IV: Diseases Caused by Bacteria

Virtual Academy for the Semi Arid Tropics

Lesson 2: Bacterial Leaf Spot

Course on Diseases of Groundnut

Module IV: Diseases Caused by Bacteria

Symptoms

Small, light brown, circular to irregular lesions appear on the lower leaves of young plants.

During the early stages, lesions are prominent on the upper surfaces of leaflets.

Virtual Academy for the Semi Arid Tropics

Lesson 2: Bacterial Leaf Spot

Course on Diseases of Groundnut

Module IV: Diseases Caused by Bacteria

Symptoms

When fully developed, the center of the lesion is light brown and the margin is dark brown(Fig.). Leaves are shed in wet weather.

With this, the Lesson 2 on Bacterial Leaf Spot in groundnut, and also this Module IV on Diseases Caused by Bacteria, concludes.

If you want to assess your understanding on diseases caused by bacteria in groundnut, please click on “Exercise” button in Module IV contents.

Next, Module V is about diseases caused by viruses and a mycoplasma like organism in groundnut.

Select Module V from Course contents

Virtual Academy for the Semi Arid Tropics

Course on Diseases of Groundnut

Module IV: Diseases Caused by Bacteria