Thrips attack plants such as African violet and chrysanthemum - damaging growing points and causing mottling, distortion and blistering of leaves. On cucumbers the fruit becomes small and twisted. Thrips will lay up to 100 eggs on the young leaves or in flower buds of plants. Once the eggs hatch the nymphs as well as the adults feed by sucking sap. The life cycle varies and is affected by temperature, but thrips in glasshouses can breed throughout the year. Thrips can also survive out of doors all year round, but become more of a problem during hot summers attacking garden plants in sheltered situations, especially Viburnum tinus.
Control Thrips by applying Thrip Nematodes containing a mixture of natural, nematodes, which will attack the larval and pupal stages of thrip. We supply 3 sachets of Thrip Nematodes, which are applied 3 times at 7 days intervals with a sprayer to the same area. Make up 1 sachet of nematodes and spray the foliage and surface of the soil with the nematodes and pop the other 2 sachets in the fridge. Re-treat the same plants with a fresh sachet of nematodes 7 days later and then finally treat again with the last sachet 7 days later. It is supplied as a powder which is mixed with water and applied with a sprayer. The nematodes should be applied when the temp is 10°C /50°F and the pest is present. Thrip Nematodes will treat up to 60 sqm.
How is it sent? - Thrip Nematodes are a perishable, living product, so it is sent out fresh by Royal Mail 1st class post. Being a perishable, living product, it must be used before the expiry date (which is marked on the inside of the pack and will be at least 2 weeks) and it must be stored in the fridge until it is needed. Once opened, the contents do not keep, so it must be used in one day - do NOT store the made up solution or powder. 1 or 2 packs will go through your letterbox and should be popped in the fridge as soon as possible - they are fine on the doormat while you are at work.
N.B. Thrip Nematodes need a daytime temperature of 10°C and is a perishable product, so please order when the pest is present and the soil temperature is suitable.