Leaf Spot of Betel vine

Causal organismAnthracnose

Symptoms:

  • The leaves show small, black, circular spots initially which later enlarge and develop to a size of 2 cm, become concentric and covered with a yellow halo.
  • The affected leaves turn pale yellow and dry up with large black dots in the center of the spots.
  • Black, circular lesion may develop on the stem, enlarge rapidly and girdle the stem resulting in withering and drying.

           

Applicable to prevent the disease: “Bio-derma” (Trichoderma harzianum ) marketed by Ispahani Agro Limited is very much effective to manage the Leaf Spot of Betel vine.

 

Dosage of Bio-darma Solid:

 

  • Main land     : The last cultivation of land, 8-10 kg Bio darma solid per bigha (33 decimal).
  • Pit                  :  100 gram Bio darma solid in every pit before 7 days of sowing or transplanting.

 

Dosage of Bio-darma powder:

  • Bio darma powder will be spray 2-3 times at 3 gm/ liter water at 7 days of interval when appearing of disease

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Ispahani Building (7th Floor) 14-15, Motijheel C/A, Dhaka-1000

Telephone: 0088 02 9553193, PABX: 02 9555192-5, FAX: 02 9565319

Email: info@ispahaniagro.com, Website: www.ispahaniagro.com