Abstract:
Temperate fruit trees constitute important crops in Mexico.
Both native and introduced species are widely distributed srom the subtropics at sea level to higher elevations in the southern states.
Six different climatic regions are described in the basis of climate (frosts and chilling) and rainfall.
The most important native species are pecans and cactus pear in the dry north, while wild black cherries and howthorn have been widely popular in the more humid sierras of Central and Southern Sates.
In order of importance, peaches, apples, grapes, japanese plums and pears have been cultivated for only half a century, as well as blackberries more recently.
Main research topics include germplasm characterization, breeding and genetics, inytegrated peast management and postharvest physiology.
New plantings are now increasing in the subtropical humid regions where availaible water for irrigation, more fertile soil and less frost risks allow a wider harvest period.
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