sentences:  New plants of the Valery and Giant Cavendish variety were planted, with constant use of fungicides was required to control black sigatoka disease.Although Cavendish bananas yield three times the harvest of the older Gros Michel type, Cavendish bananas are more difficult to harvest and transport.Cavendish bananas, for example, bruise easily and must be picked at an earlier stage and crated in the fields for transport.