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加入ＷＴＯ将给我国农业带来种种机遇与挑战，柑桔业也不离外。柑桔品种存在结构不合理，良种化程度不高，是目前亟待解决的问题，发展名优良种是当务之急。 一、杂柑 杂柑被视为２１世纪首推品种。杂柑是两个或多个不同种或类型的柑桔杂交培育而成的新品种，它兼有多个品种的?
Joining the WTO will bring all kinds of opportunities and challenges to our country’s agriculture. Citrus industry will not leave the country. The existing structure of citrus varieties is irrational and the degree of thoroughbred planting is not high, so it is an urgent issue to be solved at present. It is imperative to develop famous and fine varieties. First, citrus hybrid citrus is considered the most important varieties of the 21st century. Hybrids are two or more different types or types of citrus hybrid breeding of new varieties, which combines multiple varieties?