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Across 1. Product to combat molluscs using nematodes 6. Tiny caterpillars which devastate gooseberry bushes 8. Air borne pathogen affecting potatoes and tomatoes 9. Fungal disease affecting Allium porrum 11. Vector borne disease of tomatoes and cucumbers causing distinctive leaf markings 13. One of many types of parasitic wasps to combat white fly 16. Butterfly which lays eggs on brassicas to their detriment 17. Cottonwool type substance on bark and branches can be a sign of this 18. Grubs which eats the roots of plants in containers

Down 2. Crane fly larvae which damage fine turf 3. Causes tiny circular holes in brassica leaves 4. Flying beastie which cannot climb to 18" altitude 5. Common fungal disease of roses 7. Encourage these to combat aphids in polytunnels 10. Use this to reduce codling moth damage to fruit trees 12. Disease which causes grey or white fungal disease on the undersides of leaves 14. Large beetle larvae which will eat the roots of grass 15. Soil borne disease of cabbages which persists in the ground