食用型向日葵杂交种A6是甘肃省农业科学院经济作物与啤酒原料研究所、甘肃金大农业科技有限公司合作选育的胞质互作型雄性不育三系杂交种，其杂交组合是612A×39R。在2010 — 2014年甘肃省食用型向日葵多点区域试验中，平均折合产量4 680.0 kg/hm2，较对照品种LD5009增产6.66%。在2014年甘肃省食用型向日葵生产试验中，A6平均折合产量4 318.5 kg/hm2，比对照LD5009增产9.05%。该品种农艺性状优良，抗倒伏，抗向日葵霜霉病、黄萎病和白粉病，较耐向日葵菌核病。葵仁粗脂肪含量为291.5 g/kg(干基)，粗蛋白含量为178.8 g/kg(干基)。适宜在甘肃省沿黄灌区、河西、天水及新疆、内蒙古、宁夏向日葵种植区推广种植，或在低海拔光照充足地区麦后复种。

A6 is a newly three line matching edible sunflower cultivar by parental which 39R as male parent， 612A as female parent by Institute of Economic Crops and Malting Barley Material， Gansu Academy of Agricultural Sciences and Gansu Jinda Seed Industry Co.， Ltd.. The agronomic characters of cultivars are excellent， lodging resistance， nuclear disease resistance， verticillium wilt resistance and powdery mildew resistance are strong. In 2010 — 2014， the average yield of A6 is 4 680.0 kg/hm2 which is increased by 6.66%， compared with the control LD5009 in multi area experiment of Gansu. In production testing of Gansu， the average yield of A6 is 4 318.5 kg/hm2 which is increased by 9.05%， compared with the control LD5009. A6 are of good quality， crude fat content is 291.5 g/kg(dry basis)， protein content is 178.8 g/kg (dry basis). It is suitable to be grown the along the Yellow River Irrigation Areas， Hexi Irrigation Aress， Tianshui， Xinjiang. Inner Mongolia and Ningxia， or multiple cropping after wheat hevest in adeqate illumination， low altitude areas.

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甘肃省农业科学院院地科技合作项目 “食葵、魔芋新品系引选及栽培技术研究”(2014GAAS11)。