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【目的】研究中国木薯种植不同区域气候特点及其木薯种茎越冬贮藏方法,为我国木薯产业的可持续发展提供保障。【方法】在广西合浦、南宁、来宾及湖南、浙江等地,于入冬前采用活体田间保存,或离体露天堆放、地埋堆放、大棚内堆放等方法贮藏木薯种茎越冬,开春后检查存活的木薯种茎芽点数量,计算不同方法贮藏木薯种茎越冬的芽点存活率。【结果】在广西合浦地区采用露天堆放贮藏木薯种茎越冬,其芽点存活率均在90.00%以上,其中以露天浅埋堆放的种茎芽存活率最高,达94.38%;在广西南宁地区以塑料大棚堆放贮藏的木薯种茎芽点存活率最高,达94.98%;在广西来宾地区以大棚内存放木薯种茎越冬,其芽点存活率几乎都在89.60%以上,其中大棚内盖蔗叶横放地埋处理的木薯种茎芽点存活率最高,达98.79%;在湖南江永、浙江杭州采用设施化保护性越冬贮藏木薯种茎芽点存活率较高。【结论】中国木薯种茎越冬贮藏,北纬21.6°以南地区的无霜区(广东茂名—广西合浦—云南景洪以南)可采用露天浅埋堆放和盖膜堆放的方法贮藏;北纬21.6°~23.8°地区轻霜至重霜边缘区(广东清源—广西来宾—云南临沧以南)可采用塑料大棚、露天盖膜堆放及大棚内地埋竖放等方法贮藏;北纬23.8°以北的重霜和低温区(广东清源—广西来宾—云南临沧以北至湖南、江西、浙江等省)可采用防寒性岩洞或地窖贮藏法及塑料大棚加小拱棚竖直堆放法贮藏。
【Objective】 The objective of this study was to investigate the climatic characteristics of different regions of Chinese cassava cultivation and the winter storage methods of cassava stems, which can provide the guarantee for the sustainable development of cassava industry in China. 【Method】 In Hepu, Nanning, Guangxi, Heping, Zhejiang and other places, live cassava was stored in the field before winter, or stored in open-air, buried and stored in the greenhouse. Survival of the number of cassava seed point, calculate the different methods of storage of cassava stems overwintering bud survival rate. 【Result】 The results showed that in the Hepu area of Guangxi, cassava stems stored in the open air were overwintering, their bud survival rates were over 90.00%. Among them, the survival rate of stem buds was 94.38% The survival rate of the cauliflower seedlings stored in plastic greenhouses was the highest, reaching 94.98%. In the Guangxi Laibin area, the cassava stems were stored in greenhouses for winter, and their bud survival rates were almost above 89.60% The highest survival rate was 98.79% in the burial place of burned cassava. The survival rate of stems was higher in the places of Jiangyong in Hunan Province and Hangzhou in Zhejiang Province. 【Conclusion】 The Chinese cassava stems are stored in winter, and frost-free areas (Maoming, Guangdong - Hepu, Guangxi - south of Jinghong, Guangdong) in the area south of latitude 21.6 ° can be stored in open-air shallow burying and lidding membrane stacking; latitude 21.6 ° ~ 23.8 ° area of light frost to frost fringe area (Guangdong Qingyuan - Guangxi guest - south of Lincang in Yunnan Province) can be stored in plastic sheds, covered with open-air mulch and buried vertically in the greenhouse; Heavy frost and low temperature areas (Guangdong Qingyuan - Guangxi guest - Yunnan north of Lincang to Hunan, Jiangxi, Zhejiang and other provinces) can be cold cave or cellar storage and plastic shed plus small arch vertical storage method.