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The Nashi (Pyrus pyrifolia (Burm. f.) Nakai) is a plant native to central China (where it is called "li", the term "Nashi" is instead the Japanese and means "pear"), temperate subtropical climate zone, widespread in Japan, South Korea, United States, New Zealand and Australia. In the late '80s and began its cultivation in Europe, first with considerable interest that then declined rapidly, so is now considered marginal and internal consumption rather limited. The particular characteristics that differentiate it from the nashi pear common are: - Shape: round and flat, similar to that of apple (hence the name appropriate "pear-apple"); - The flesh, compact, juicy and crisp; - Taste: sweet and fragrant; - Skin: smooth, golden bronze color, yellow or light green; - The taste: very refreshing and pleasant in summer. It is quite rustic and vigorous plant that adapts to most areas of Italian fruit; requires light soil, fertile, irrigated, sub-acid pH suffering from lack of magnesium and ferric chlorosis than in clay and limestone. It is very resistant to winter cold and late frost can cause damage especially during flowering, even the wind is damaging to the leaves of some varieties and the fruit. Is grafted on the pear, which gives less force but more adaptable to the terrain. Totally incompatible with the quince. There are over 150 varieties of Nash kosu, Shinseiki, Hosui, Nijisseiki, Shimseiki and Shinko. Types of farming: they are suitable for all forms required forming a wall with the branches attached to wires, to limit damage from wind: Palmetto, vertical axis, "drapeau" (a flag), etc.. The development is very rapid and abundant fruit, for fruit of high caliber you need a good thinning performed 4-5 weeks after flowering. With maturity scale. The fruit can be eaten soon after harvesting, conservation is very short for the early varieties, can also be extended until February for later varieties (Shinko, COJUR). Compared to Europe but this species less susceptible to some parasites are reduced attacks with treatments based on copper in fall and spring.