Brassica Clubroot Resistant Collection (x 48) Plus 2 Free Packs Of Brassica Collars (2 X30) with No Chemical Solution For Treating Clubroot In Brassicas, The Only Way You Can guarantee Disease-free Crops Is By Growing Resistant Varieties – & We Have A Great Collection For You. one Of The Most Destructive Diseases To Brassicas, Clubroot Is A Fungal Infection That Causes The Roots To Swell & Reduce The Uptake Of Water To The Plant, Resulting In Severely Stunted Growth. The Fungus Can Survive In The Soil For Up To Fifteen Years – So Even Crop Rotation Won’t Help – & Can Be Spread Through Infected Soil On Shoes & Tools.we Are Delighted To Be Able To Offer You An Increased Range Of Clubroot Resistant Varieties Of Brassicas In A Special value Collection – Guaranteed To Be Clubroot-free!the Collection Consists Of 16 Plants Of Each Variety:cabbage Kilaxy-this superb Cabbage Has Proved A Favourite For The Home Gardener Due To Its Reliability. It Produces Dense Heads Of Good Flavour & Can Be Grown At Close Spacing. It Also Has Good Tolerance To Internal Black.cauliflower Clapton-another Good Variety With Major Benefits To Gardeners. It Has Good Erect Growth So Takes Up Less Space & Produces Well Protected Dense White Curds.brussels Sprout Crispus -this Is A superb Variety With Vigorous Growth & Excellent Standing Ability. The Small Tight Buttons Are Dark Green With Good Flavour.