Alternaria leaf spot in Sponge gourd

    • In this disease, light brown concentric spots are formed on the leaves, and finally, the leaves start drying up. This disease is seen only when there is an excess of moisture in the atmosphere and spreads fiercely.
    • Seed treatment at the rate of Carbendazim 12% + Mancozeb 63% WP @ 2.5 gram / kg seed or Trichoderma viride @ 5 gram / kg seed is necessary.
    • Spray the thiophene methyl 70% WP @ 500 gram / acre or Pseudomonas fluorescens @ 250 gram / acre.
    • Spray Ketazine @ 200 gram / acre or Bacillus subtilius @ 250 gram / acre

 

 

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