Little leaf of brinjal is caused by:

Correct option is C

The correct answer is: (C) Phytoplasma

• Little leaf of brinjal is a serious disease caused by Phytoplasma (a type of mollicute, which lacks a cell wall).

• It is transmitted by vector insects, mainly leafhoppers (Hishimonas phycitis).

• The disease leads to reduction in leaf size, excessive branching, stunted growth, and failure of flowering.

• • Extremely small and narrow leaves (hence the name "Little Leaf").

  • Bushy appearance due to excessive branching.

  • Failure to bear flowers and fruits, leading to severe yield losses.

• Control Measures:

  • Management of vector insects (leafhoppers) using systemic insecticides

  • Rogueing and destruction of affected plants

• Bacteria: Bacterial diseases in brinjal include Bacterial Wilt (Ralstonia solanacearum).

• Fungus: in brinjal include Wilt (Fusarium oxysporum) and Early Blight (Alternaria solani).
• Virus: Viral diseases in brinjal include Mosaic Disease (Brinjal Mosaic Virus, BMV).