questions: telling that he wants to cultivate strawberry. so what should he use as propagating materials and seeking other informations related with propagating materials. 
 answers: answered mr. mazumder that usually runners are used as most common propagating materials. but now-a-days due to prevalance of different strains of virus, tissue-cultured planting materials is preffered. also suggested that  runners are selected which are formed after the blooming season. disease free plants are important for a successful strawberry production and advised to buy  healthy, virus-free plants from a reliable nursery.