Horiver Rollertrap
monitering vir biologies beheer in cannabis (Trapping & monitering) Dosage One Rollertrap per 1 to 3 plant rows. Timing In high crops Rollertraps should [...] For trapping whiteflies, thrips , leaf miner and fungus gnats in hot spots or places where high pressure can be expected, such as along gables, ventilation [...] cm above the crop, except for the 30 cm width which needs to be placed 40 cm above the crop To assist with placement, insert a rod or other expedient through