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为筛选适宜连城县种植的加工专用型紫色甘薯新品种,采取随机区组设计,以‘龙岩7-3’为对照,2012年秋季引进5个紫色甘薯新品种进行品种比较试验,从农艺性状、经济性状、薯块的营养品质、甘薯干和油炸脆片产品的加工品质等方面进行筛选鉴定。结果表明:各品种表现不同。其中,‘伟祥1号’鲜薯产量最高达41.9 t/hm2,比对照‘龙岩7-3’增产25.8%。‘济薯18号’鲜薯产量为31.6 t/hm2,与‘龙岩7-3’相当。‘济薯18’和‘伟祥1号’加工的甘薯干,不仅在工艺稳定性、口感、色变等综合指标,均接近‘龙岩7-3’,而且在产品的形态、色泽、透明度、口感和质地等方面均表现优异,可作为加工甘薯干的紫薯品种。‘济薯18’和‘伟祥1号’加工的油炸薯片,含油率适中,膨化度高,产品品质与对照‘龙岩7-3’相当,可作为加工油炸薯片的紫薯品种。‘福薯9号’、‘泉紫薯1号’和‘宁紫薯1号’的薯形美观,营养品质高,食味粉香,适合优质鲜食和加工甘薯全粉用。
In order to screen a new purple sweet potato variety suitable for processing in Liancheng County, a randomized block design was adopted. Compared with Longyan 7-3, five purple sweet potato varieties were introduced in the autumn of 2012 to compare the varieties, Economic traits, the nutritional quality of potato tuber, the processing quality of dried sweet potato chips and fried chips products. The results show that: the performance of different varieties. Among them, ’Wei Xiang 1’ fresh potato yield up to 41.9 t / hm2, compared with the control ’Longyan 7-3’ 25.8% increase. ’Jishu 18’ fresh potato yield of 31.6 t / hm2, and ’Longyan 7-3’ quite. The processing of sweet potato stems of ’Jishu 18’ and ’Weixiang 1’ is close to ’Longyan 7-3’ not only in terms of process stability, taste and color change, but also in terms of product shape, color, transparency, Taste and texture, etc. are excellent performance, can be used as sweet potato processing sweet potato varieties. The potato crisps processed by ’Jishu 18’ and ’Weixiang 1’ have moderate oil content and high puffing degree, and their quality is comparable to the control ’Longyan 7-3’ and can be used as the purple potato variety for processing fried potato chips . ’Fukushu 9’, ’Spring purple potato 1’ and ’Ning purple potato 1’ of the potato-shaped appearance, high nutritional quality, flavor powder, suitable for high-quality fresh and processed sweet potato powder.