what is mean by following terms:
1. quarantine
2. cultivar
1.Quarantine: Quarantine is the strict process of isolation imposed on ships, human, plants or animals on arrival at a port from other places to prevent the spread of any communicable diseases carried by them.
2. Cultivar: Cultivar is a variety of plants with desirable characteristics that are selected, created as well as maintained for cultivation in future. Normally ornamental plants like roses, daffodils, carnations, camellias etc are maintained as cultivars.