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[目的]筛选适宜北海推广的木薯品种。[方法]以我国目前9个主要的优良木薯新品种为材料,以当地品种SC205作对照,测定其鲜薯产量、淀粉含量、淀粉产量等农艺经济性状,观察其分枝情况和薯形等生物学特性,综合评价9个木薯新品种。[结果]新选048的鲜薯产量极显著高于对照,南植199和GR891鲜薯产量极显著低于对照,其他6个品种鲜薯产量和对照差异不显著,但GR911和桂热3号的鲜薯产量较高;9个品种的淀粉含量均等于或高于对照,其中GR891和桂热5号淀粉含量最高,桂热3号、SC8、南植199和GR911的淀粉含量较高;桂热4号的淀粉产量显著低于对照,其他8个品种的淀粉产量与对照差异不显著,但桂热3号、桂热5号、SC8、新选048和GR911的淀粉产量较高;新选048、南植199、GR911、桂热3号和桂热5号分枝少或不分枝,种植与收获时省工,适合密植和间套作,而SC5和SC8分枝较多;新选048和GR911薯形粗短,薯形好,适合机械化生产。[结论]新选048、GR911、桂热3号和桂热5号综合性状较好,适宜在北海推广。
[Objective] The research aimed to screen cassava varieties suitable for popularization in Beihai. [Method] Nine major fine new cassava varieties in China were used as materials, SC205 was compared with the local variety, and the agronomic economic traits such as fresh potato yield, starch content and starch yield were measured. The branching status and potato - Learn characteristics, comprehensive evaluation of nine new varieties of cassava. [Result] The yield of fresh potato 048 was significantly higher than that of the control. The yield of fresh potato of Nanzhi 199 and GR891 was significantly lower than that of the control. The yield of the other 6 varieties was not significantly different from that of the control, but GR911 and Guizhi 3 The starch content of nine cultivars was equal to or higher than that of the control. Among them, the content of starch of GR891 and Guizui No.5 was the highest, and the starch content of Gui Wen No.3, SC8, Nanzhi 199 and GR911 was higher. The starch yield of No.4 was significantly lower than that of the control, but the starch yield of the other 8 varieties was not significantly different from the control, but the starch yield of Guizui No.3, Guizui No.5, SC8, No.048 and GR911 was higher; 048, Nanzhi 199, GR911, Guizhi No.3 and Guizhen No.5, with less or no branches, planting and harvesting, which is suitable for close planting and intercropping while SC5 and SC8 have more branches. 048 and GR911 potato-shaped short, good potato shape, suitable for mechanized production. [Conclusion] The new traits of 048, GR911, Gui Ge 3 and Gui Yi No.5 were better and suitable for popularization in the North Sea.