This rate of 2,4-D will kill all red clover, but will do minimal damage to established white clover. It can also be used for conservation tillage. Buttercup can tolerate wet soil conditions better than many other species, so buttercup out competes the grasses, and creeping buttercup in particular spreads rapidly. Giant Buttercup Botanical name: Ranunculus acris Family name: Ranunculaceae Overview. 4. Best results are obtained in the spring when weeds are actively growing within a vigorous, competitive pasture or … It does not pay to rely solely on herbicides to control pasture weeds. Donaghys Grunt 600 Glyphosate is the strongest fully surfactant loaded glyphosate in the world. 20L 200L Baton® Sprinter® Ammo®Max Synergy ™ 2,4-D Ester 680 Active ingredient: 680 g/litre 2,4-D as the ethylhexyl ester in the form of an emulsifiable concentrate. Henbit. For selective control of Buttercup in grassy conditions such as pastures and hayfields, use the herbicide MCP Amine plus an adjuvant (wetting agent) such as Class Act. o Modelling the effects of a mycoherbicide with a hypothetical 50% kill of giant buttercup suggests that profitability improves by $485/ha. Harmony ® 50SG is a soluble granule to be mixed with water and applied as a foliar spray for control of buttercups and docks in pasture and cereals. Controls most species of thistles, buttercup and many other flatweeds in pasture. Do not seed clover for six weeks after herbicide application. They can tolerate wet soil conditions better than many other species, including perennial ryegrass and white clover, allowing buttercups to out-compete more desirable species. Buttercups tend to be a problem in moist dairy pastures. Buttercup likes nutrient poor, compact soil with a low pH. Maintain the same cow numbers but feed them more to maximise efficiency. NZ research shows mowing Californian thistle at specific times of the year is a great way to kill it off. For optimum results apply a herbicide in the early spring (February - March) before flowers are observed, when buttercup plants are still small and actively growing. 4. Lower the acidity of soil, increase percolation and fertilize for cultural buttercup control. Controlling buttercup and other pasture weeds Timing is the key University of Tennessee Extension forage specialists say timing is key to pasture management. Giant buttercup is not as common as creeping buttercup but is the most aggressive of the buttercups found in New Zealand. Once you have tried all the steps above to kill buttercup weeds, and only if they are still persistent, it is time to consider chemical warfare. However, legumes such as clovers interseeded with grass pastures can be severely injured or killed by these herbicide products. For annual species such as hairy buttercup a herbicide application is best made from late autumn to late winter. Non Volatile – Low Odour. buttercup, chickweed, henbit, purple deadnettle and cressleaf groundsel. To get rid of buttercups in your pasture or hayfield is a two step process; spray to kill the existing buttercups and improve the conditions that favor grass production. 20L 200L Hedge mustard (Sisymbrium officinale) is a widespread common annual herb, found throughout New Zealand in pasture, cultivated land, gardens and road-sides. Kill Buttercup Weeds Chemically. ... agreement with Dairy NZ, ... Utilise the extra pasture production when there is no giant buttercup in the pasture. Mow your thistles. Options Available • Fertility/Fertilization • Multispecies grazing • Mowing/clipping ... the grass species in pastures It grows in a rosette Read more Read less. Controls Wide range of weeds in new and mature pasture. 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