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Abstract

Biocontrol of Dasagavya on Tea (Camellia sinensis) Plant

Raja Rajan*

Brown blight is a plant disease affecting tea plant. The primary symptom being yellowing of the leaf later turn brown or gray, concentric rings and eventually the dried tissue falls, leading to defoliation. Leaves of any age can be affected. Currently only chemical control of the fungi is possible A Spray of Copper Oxy Chloride or Bordeaux mixture 0.3% during winter season and summer season controls to an extent. Dasagavya 0.3%, is an organic preparation.Serial dilutions of the Tonic ranging from1μl, 10μl, 100μl to 1000μl were applied to the host plant Camellia sinensis (tea). The promising levels being 100 μl.dasagavya was applied as a liquid foliar spray.

Published Date: 2023-07-03; Received Date: 2023-05-31