Weed Management Studies on Sugarcane Ratoon
Abstract
Parthenium hysterophorus, Cyperus rotundus, Brachiaria ramosa, others as well as total weed density and total weed dry weight were lowest under atrazine at 2.0 kg ha−1 which was closely followed by two hoeings done at 50 and 80 days after harvesting of main crop and metribuzin at 1.0 kg ha−1. Uncontrolled weeds caused 63.6% reduction in the cane yield when compared with weed-free treatment. Atrazine at 1.0 and 2.0 kg ha−1 or metribuzin at 1.0 kg ha−1 applied just after hoeing and two hoeings at 50 and 80 days after harvesting of main crop produced cane yield at par with weed-free treatment.
