Write the following list of characters into a correctly formed sentence: Asaresult,todayPolandhastwotypesoftraditionalorchards:establishedbefore1950,withvarietiescultivatedinthe18thand19thcenturies(whosefruitsarerarelyinfectedbydisease)andorchardswithvarietiesintroducedtocultivationinthe1960s.
As a result, today Poland has two types of traditional orchards: established before 1950, with varieties cultivated in the 18th and 19th centuries (whose fruits are rarely infected by disease) and orchards with varieties introduced to cultivation in the 1960s.