Kiwifruit banana. Once a kiwifruit is ripe, however, it is preserved optimally when stored far from other fruits, as it is very sensitive to the ethylene gas they may emit, thereby tending to over-ripen even in the refrigerator. If stored appropriately, ripe kiwifruit normally keep for about one to two weeks. "Pseudomonas syringae actinidiae" (PSA) was first identified in Japan in the 1980s. This bacterial strain has been controlled and managed successfully in orchards in Asia. In 1992, it was found in northern Italy. In 2007/2008, economic losses were observed, as a more virulent strain became more dominant (PSA V). In
Te Puke for £5! Spurred on by this Jim planted ½ acre of Chinese gooseberries in 1937. During World War II, American serviceman in New Zealand were introduced to the Chinese gooseberry and enjoyed it so much that this spurred further plantings. In 1952 the first exports were made, and in 1959 the name “Kiwifruit” was introduced. Since then many more plantings have been made with Hayward (green) being the most popular. In 1998 “Zespri Gold” kiwifruit was introduced to the market and experiments are being carried out on new varieties including a peelable kiwifruit and "kiwiberry", a small bite-sized kiwifruit-like fruit.