COFFEE CULTIVATION GUIDE - Coffee Board of India

anches of the plants should also be smoothened. Do not use sharp tools for
smoothening the stems and branches. Care should be taken to see that the green parts
of the stems are not damaged during this operation. Any damage caused to the green
portion of the stems results in death of the plants as well as infestation by fungus
causing stem canker disease. Egg laying activity of the borers can be avoided by
proper smoothening of the stems. Apply 10% lime solution to the smoothened stems
and branches.
WHITE STEM BORER PHEROMONE TRAPS
4. Coffee Berry Borer Management
Coffee Berry Borer has to be controlled using Beauveria bassiana spray using
bakpak sprayer.
Method of preparation of
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Beauveria bassiana culture
In 375 ml glass bottle add 50 gm of rice and 50 ml of water. Plug the mouth of
the bottle with cotton ball. Place these bottles in an aluminium container filled with
water to a height of 50cm. Close the container with its lid and steam the bottles inside
for about 20 minutes. Bottles are then cooled to the room temperature and inoculated
with the Beauveria bassiana fungal culture. In about 3 weeks, the culture will be
ready for use in the field. Immersion and thorough soaking of this culture in one litre
of water with wetting agent gives the Beauveria bassiana fungal solution. This
solution can be sprayed on the infested berries. This fungus is effective only when
applied immediately after the cessation of monsoon when there is high humidity in
the field. Spraying of the solution should be done before the hardening of the beans.
5. Post monsoon Bordeaux mixture or Systemic fungicide Spray
The coffee leaf rust disease intensifies during September month. In this period,
pale yellow spots on the lower surface of leaves are seen and later these spots turn
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