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一、国内外木本植物引种驯化的概况我国植物资源之丰富是举世闻名的,仅种子植物就有2.5万多种。我国还是许多栽培植物起源的重要中心之一。我国劳动人民是引种驯化野生植物和外来植物的能手,我们的祖先不仅创造了自己的栽培植物,而且也大量地引种和驯化了外来的经济植物。例如原产美洲的玉米、甘薯,南美的马铃薯、落花生,经济林木中的核桃、可可、咖啡、
First, the domestic and foreign introduction and domestication of woody plants overview The richness of plant resources in our country is world-famous, only the seed plants have more than 25,000 kinds. Our country is still one of the important centers for the origin of cultivated plants. The working people in our country are experts in the introduction of domesticated wild plants and exotic plants. Our ancestors not only created their own cultivated plants, but also introduced and domesticated a large number of exotic economic plants. Such as Native American corn, sweet potato, South American potato, groundnut, walnut in economic forest, cacao, coffee,