Application of Bio-formulation for Controlling Termites:

Directorate of Biotechnology, Govt. of Tripura conducted field trial in collaboration with North East Institute of Science and Technology (NEIST), Jorhat, Govt. of India in Tea gardens of Tripura for controlling termites by applying Bio-formulation in the month of February, 2012. Substantial reduction of termite population was observed after three applications of Bio-formulation within a period of one month.

On successful execution of field trial following result is obtained

1. Name of Garden Durgabari Tea Estate
2.  Date of Application 16/02/2012
3.  Area to be covered 3 Gonda (280 plants)
4. Spraying percentage 10%
5. Condition before spraying Medium attack of termite.
6.  Condition after 1st spray Termite attack is reduced
7. Method of spraying Soil drenching
8. Common spray  Lamda cyhalathrin & Alfamethrin for Tea Mosquito & Red spider.
     
  Date:- 17/02/2012  
1. Name of Garden Adorini Tea Estate
2. Date of Application  17/02/2012
3. Area to be covered 2.5 Gonda (110 plants)
4. Spraying percentage 10-12%
5. Condition before spraying High termite attack
6. Condition after 1st spray Termite attack is reduced
7.  Method of spraying Soil drenching
8. Chemical used previously
to contract termites
Chloropyriphos
     
  Date:- 18/02/2012  
1. Name of Garden Brahmakunda tea Estate
2. Date of Application 18/02/2012
3. Area to be covered 2 Gonda (160 plants)
4. Spraying percentage 10-12%
5. Condition before spraying Medium termite attack
6. Condition after 1st spray  Termite attack is reduced
7. Method of spraying Soil drenching

The 2nd phase of spraying was conducted between 25 – 26 th February 2012 and the following result is obtained as on 29th February 2012
1. The Termites stopped climbing on stem of treated plant.
2. The number of termites in stems and soil reduced to a substantial level
3. Emergence of new vegetative flushes in the treated plants.