《生命科学》 2016, 28(7): 807-816

木薯综合育种理论探讨

陈松笔1，安飞飞1，张振文1，叶剑秋1，欧文军1，肖鑫辉1，李开绵2*

(1 中国热带农业科学院热带作物品种资源研究所/农业部木薯种质资源保护与利用重点实验
    室，儋州 571737；2 中国热带农业科学院热带生物技术研究所，海口 571101)

摘　要：摘　要：木薯在我国作为生物质能源、工业淀粉原料和潜在的粮食资源是热区最重要的经济作物之一。由于木薯遗传高度杂合和有性子代严重分离等不利因素导致育种周期长，育种进展缓慢。针对木薯育种面临的挑战，现提出综合育种的对策，并详细阐述木薯综合育种所需条件和流程以及发展前景，为缩短木薯育种年限和提高育种效率提供新思路。

Theoretical consideration of cassava integrated breeding

CHEN Song-Bi1， AN Fei-Fei1， ZHANG Zhen-Wen1， YE Jian-Qiu1， OU Wen-Jun1， Xiao Xin-Hui1， LI Kai-Mian2*

(1 Key Laboratory of Ministry of Agriculture for Germplasm Resources Conservation and Utilization of Cassava， Tropical Crops Genetic Resources Institute， Chinese Academy of Tropical Agricultural Sciences， Danzhou 571737， China; 2 Institute of Topical Bioscience and Biotechnology， CATAS， Haikou 571101， China)

Abstract: Abstract: In China， cassava (Manihot esculenta Crantz) mainly provides the raw materials to produce industrial starch and biofuel and is used as a potential food crop. It is also one of the most important cash crops in tropical areas. The breeding progress of cassava is slow because of its heterozygous genetic makeup and sexual progenies with severe separation， which makes it time consuming to breed efficiently. Based on these challenges， we developed the strategy of an integrated breeding for cassava genetic improvement. The necessary conditions， workflow and prospects for cassava integrated breeding were elaborated in the present study.