Bayer Garden has launched Buxatrap pheromone trap to trap box tree caterpillars as an alternative.
Bayer says deltamethrin-based Provado accounts for 41.2 per cent of the insecticide market by value.
The company, now owned by SBM, says concentrates make for better value and account for 35 per cent of the value of the market and 27 per cent of the volume. Bayer added that converting 20 per cent of those who walk away from the ferts and chems fixture wiuld add £5.3m growth to the £61.8m category. Shoppercentric says average walk away rate is 43 per cent.
Bayer also wants to target the 30 per cent of plant owners who do not feed plants by promoting its Baby Bio, Phostrogen and Toprose brands. Nine in 10 prefer to grow in containers and 55 per cent of them feed. Converting 50 per cent of non feeders would increase category value by £6m.
Some 65 per cent of gardeners grow roses but only 47 per cent feed them, Shoppercentric has found. Toprose accounts for 42 per cent of the market.
Bayer adds that clip strips of Baby Bio have increased sales by 130.4 per cent. The brand has 50.1 per cent of the houseplant feed category and 46 per cent of the drip feeder market.
GfK figures show Westland liquid plant feeds sales are 40 per cent up. Westland claims 23 per cent of slug control sales through Growing Success and Eraza brands.
Neudorff has launched a super strength seaweed extract one litre concentrate and 8kg organic CleanLawn fertiliser.
Sipcam has also entered the market with the Ecofective brand.