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TOSPO virus is a viral disease of the tomato crop mainly due to poor nutritional management and is spread by thrips. Poor nutrient management refers to the use of ammonium fertilizers, excessive use of amino acids, use of poultry manure etc.
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Its symptoms are curling of leaves, black spots on leaves and yellowish-green spots on fruits. It can be managed by proper application of micronutrients and control of carriers that spread the TOSPOvirus. To overcome the deficiency of nutrients, micronutrients can be sprayed, as well as to control thrips in tomato crop, spray the following insecticides-
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Spray Fipronil 5% SC 2 gm or Cyantraniliprole 10.26 % Od 240 ml or Spinosad 45% SC 75 ml per acre.
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