Effects of dalapon and glyphosate on imperata cylindrica (L.) beauv. At different growth stages

S. A. Lee

Abstract

Dalapon and glyphosate provided less effective control of Imperata cylindrica at the four-shoot stage (S3) than at the single shoot stage (S1 or 52). At the four-shoot stage, dry weights of undecayed rhizomes sampled 30 days after the foliar application of glyphosate at 1 kg a.i./ha were significantly lower than the dry weights of those plants treated with dalapon at 8 kg a.i./hectare.

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