The buttercup that grows in many gardens is small compared with the giant buttercup (Ranunculus acris), which can reach waist height. Nationally it is estimated to cost $156 million in lost dairy production. It has developed a resistance to spray control, so AgResearch is investigating using a mycoherbicide (living plant pathogen) made from a fungus.
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Tukunga
Thanks very much for your
Helen Rickerby
10 August 2010
Errors in the Giant
Graeme Bourdot (not verified)
10 August 2010
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