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False smut of rice

False smut causes chalkiness of grains which leads to reduction in grain weight. It also reduces seed germination. The disease can occur in areas with high relative humidity (>90%) and temperature ranging from 25−35 ºC. Rain, high humidity, and soils with high nitrogen content also favor disease development. Wind can spread the fungal spores from plant to plant. Plants infected with false smut have individual rice grain transformed into a mass of spore balls. These spore balls are initially orange and then turn into greenish-black when these mature. Keep the field clean This disease can be controlled by the application of fungicide from group Triazole i.e Difenoconazole or Propiconazole.
Uzma Niazi (Agronomist)

 

 

 

 

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