Efficacy Of Plant Extracts Against Brown Spot Of Kharif Rice Caused By Helminthosporium Oryzae
European Journal of Molecular & Clinical Medicine,
2020, Volume 7, Issue 7, Pages 2691-2695
AbstractRice is one of the most important cereal crop which can be infected by many diseases among which brown spot of rice is also important. In the present research paper three plant extracts Ginger (rhizome)-Chloroform, Clerodendrum (leaves)- Chloroform and Polyalthia (leaves)- Methanol were tested in rice under field condition and it has been observed that after 20 days of second spraying there was 40% reduction in disease severity was given by polyalthia which was more than the chemical pesticide.
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