Resistance confirmed to double knock for fleabane

THE popular ‘double knock’ strategy to control weeds has shown some weakness when it comes to the control of tall fleabane.

Resistance confirmed to double knock for fleabane Resistance confirmed to double knock for fleabane Resistance confirmed to double knock for fleabane Resistance confirmed to double knock for fleabane Resistance confirmed to double knock for fleabane

NSW Department of Primary Industries weeds researcher, Dr Md Asaduzzaman (Asad) has uncovered disturbing evidence of double-knock resistance in tall fleabane (Conyza sumatrensis) samples collected during weed surveys funded by the Cotton Research and Development Corporation (CRDC). Picture courtesy WeedSmart

NSW Department of Primary Industries weeds researcher, Dr Md Asaduzzaman (Asad) has uncovered disturbing evidence of double-knock resistance in tall fleabane (Conyza sumatrensis) samples collect...

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