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现在甘薯生产的目的已从吃饱肚子转为面向市场多元化的需求,销售由秋季集中出售转为贮藏保鲜周年供应市场,对甘薯商品品质要求也呈现多元化。如食用甘薯要求小型化,皮色鲜艳,薯皮光滑,薯形呈短纺锤形,薯肉深红,食味优,耐储藏,抗病虫,无污染。淀粉型甘薯则要求淀粉含量高,颗粒大,沉降快,淀粉加工品质好。对色素型和菜用型甘薯也均有特定指标要求。特别是甘薯较少施用农药和化肥,容易达到安全食品的标准,适
Now the purpose of sweet potato production has shifted from full stomach to market-oriented diversified needs, selling from the autumn focus on the sale of storage and preservation of the anniversary of the supply market, the quality of sweet potato products also showed diversification. Such as eating sweet potato requires miniaturization, bright skin color, smooth potato, potato was short spindle, dark red flesh, taste good, resistant to storage, disease and insect resistance, pollution-free. Starchy sweet potato requires high starch content, large particles, rapid settling, starch processing quality is good. Pigments and vegetable sweet potato also have specific indicators. In particular, fewer applications of sweet potato pesticides and fertilizers, easy to reach the standard of safe food, suitable