Author(s): MALAY K. BHOWMICK , R. K, GHOSH AND PRIT AM GHOSH

Abstract: Field experiment at the Bidhan Chandta Krishi Viswavidyalaya, Kalyani, West Bengal revealed that Cynodon dactylon, Eleusine indica, lmperata cylindrica, Cyperus rotundus, Blalnvillea latifolia, Heliotropium indicum and Parthenium hysterophorus constituted the major weed flora in non-crop areas. Though the chemical XL-71 AG (mono ammonium salt of glyphosate) either at 9 ml or 12 ml r-1 of water proved effective against almost all categories of weeds upto two months of its application, it show,ed results comparable to glyphosate 41 SL 10 ml r-1 However, their application should be stopped at one season, but to be continued till existing seed bank is completely exhausted for managing the persistent perennial weeds in the long run.

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