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Production · Protection · Nutrients · Water
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1,513 crop protection pages, pest and disease by crop•98 crops tagged — rice, cotton, sugarcane, mango and more•261 nutrient management pages, deficiency symptoms and correction measures•3,462 data tables preserved from the source pages

Tobacco Streak Virus

Cotton

Symptom

Symptom Initiallychlorotic yellow spot appear on the infected leaves Later spot turn into distinct necrotic purple spot with yellow halo. Necrotic streaks are produced on the petiole. Bud and flower productions are reduced. Severe infection resulted in drying of squares. Survival and Mode of Spread Virus survives in alternate hosts. Primary spread is From infected plants. The virus is transmitted by Thrips (Thrips tabaci). Favourable Conditions Minimum temperature, High relative humidity with leaf wetness. Management Remove infected plants and other host plants. Periodical weeding should be done. Seed treatment with imidacloprid 70WS at 7g / kg . Spray Dinotefuran 20% SG 60 g/acre or Flonicamid 50% WG @ 60 g/acre or Imidacloprid 17.8%SL 40- 50 ml/acre for controlling thrips Source of information Online resources CPG 2020
  • Initiallychlorotic yellow spot appear on the infected leaves
  • Later spot turn into distinct necrotic purple spot with yellow halo.
  • Necrotic streaks are produced on the petiole.
  • Bud and flower productions are reduced.
  • Severe infection resulted in drying of squares.

Survival and Mode of Spread

  • Virus survives in alternate hosts.
  • Primary spread is From infected plants.
  • The virus is transmitted by Thrips (Thrips tabaci).

Favourable Conditions

  • Minimum temperature, High relative humidity with leaf wetness.

Management

  • Remove infected plants and other host plants.
  • Periodical weeding should be done.
  • Seed treatment with imidacloprid 70WS at 7g / kg .
  • Spray Dinotefuran 20% SG 60 g/acre or Flonicamid 50% WG @ 60 g/acre or Imidacloprid 17.8%SL 40- 50 ml/acre for controlling thrips
  • Online resources
  • CPG 2020