Agro-environment and Honeybees R.C. Sihag
 
Honeybees visit the crop flowers for 1. Pollen 2. Nectar
Four situations in crops 1. Self incompatibility 2. Protandry 3. Protogyny 4. Unisexuality
Importance of honeybees to crops <ul><li>Increase the quality of seeds/fruits </li></ul><ul><li>Increase the quantity of s...
Crops attacked by disease and Pests   ↓   Need   Pesticides   ↓   Cause   Poisoning of the agro-environment
Method of application is important Order of hazard is : Aerial application > Mechanical application > Hand application
Formulation Hazards  Dust > Liquid
Poisoning occurs due to   1. Direct exposures  2. Drift  of pesticides 3.Contamination of pollen  & nectar
Poisoning causes   large scale bee kills
Immediate effect of  Honeybee kills 1.  Crop failures    2. Low honey yield
Safe recourse ( When) (When) Bees in Pesticide in  the fields the fields NO NO
Safety of honeybees in  agro environment 1. Use of  Repellents 2. Use of safer pesticides 3. Safe application time of  pes...
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Honeybees in the agro environment

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Honeybees in the agro environment

  1. 1. Agro-environment and Honeybees R.C. Sihag
  2. 3. Honeybees visit the crop flowers for 1. Pollen 2. Nectar
  3. 4. Four situations in crops 1. Self incompatibility 2. Protandry 3. Protogyny 4. Unisexuality
  4. 5. Importance of honeybees to crops <ul><li>Increase the quality of seeds/fruits </li></ul><ul><li>Increase the quantity of seeds/fruits </li></ul>
  5. 6. Crops attacked by disease and Pests ↓ Need Pesticides ↓ Cause Poisoning of the agro-environment
  6. 7. Method of application is important Order of hazard is : Aerial application > Mechanical application > Hand application
  7. 8. Formulation Hazards Dust > Liquid
  8. 9. Poisoning occurs due to 1. Direct exposures 2. Drift of pesticides 3.Contamination of pollen & nectar
  9. 10. Poisoning causes large scale bee kills
  10. 11. Immediate effect of Honeybee kills 1. Crop failures 2. Low honey yield
  11. 12. Safe recourse ( When) (When) Bees in Pesticide in the fields the fields NO NO
  12. 13. Safety of honeybees in agro environment 1. Use of Repellents 2. Use of safer pesticides 3. Safe application time of pesticides 4. Safe time lag for re-entry of the bees
  13. 14. Thank-You
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