Identification symptoms

  • Yellowing of the entire network of veins in the leaf blade is the characteristic symptom.
  • In severe infections the younger leaves turn yellow, become reduced in size and the plant is highly stunted.
  • The veins of the leaves will be cleared by the virus and intervenal area becomes completely yellow or white.
  • In a field, most of the plants may be diseased and the infection may start at any stage of plant growth.
  • Infection restricts flowering and fruits, if formed, may be smaller and harder.
  • The affected plants produce fruits with yellow or white colour and they are not fit for marketing.
  • The virus is spread by whitefly.