Clethodim resistance spike in canola rotations - WeedSmart Addressing widespread failure of clethodim applications for ryegrass control, particularly in canola crops in southern NSW.

Growers faced with clethodim-resistant ryegrass can use circuit breakers from outside the farm’s herbicide program, such as HWSC, hay production and brown manuring vetch or field peas to start driving down the weed seedbank. #AskYourAgronomist

Keeping weed numbers low pays off in cotton - WeedSmart Cotton growers are keeping weed numbers low and preserving yield, mainly through effective herbicide use costing $387/ha annually.

CSIRO’s Jackie Ouzman says cotton growers are keeping weed numbers low, mainly through effective herbicide use. Weeds cost cotton growers an average $445/ha annually, primarily through an average annual expenditure on weed control of $387/ha. @cottoninfo #CRDC #askyouragronomist