Analysis and assessment of yield and nutritional quality of two new seed lotus (Nelumbonucifera) cultivars ‘WBG_S1’ and ‘WBG_S2’
Hu Yu-Feng1,2,3, Yang Mei1,2, Liu Yan-Ling1,2, Deng Xian-Bao1,2, Xu Li-Ming1,2, Yang Dong1,2
1. Key Laboratory of Plant Germplasm Enhancement and Specialty Agriculture, Wuhan Botanical Garden, Chinese Academy of Sciences, Wuhan 430074, China;
2. Center of Economic Botany, Core Botanical Gardens, Chinese Academy of Sciences, Wuhan 430074, China;
3. University of Chinese Academy of Sciences, Beijing 100049, China
To evaluate the application potential of two new seed lotus(Nelumbonucifera Gaertn.) cultivars (‘WBG_S1’ and ‘WBG_S2’), their seed yield and nutritional traits were compared with those of 12 main cultivated varieties. The nutritional trait indexes of different cultivars were subsequently evaluated by membership-function analysis. Results showed significant differences in seed yield and nutritional quality. There were significant differences in soluble sugar and starch content at different developmental stages in a single cultivar. Compared with the mature seeds, fresh seeds had significantly higher soluble sugar content but significantly lower protein and starch content (P<0.05). Generally, compared to the 12 main cultivated varieties, ‘WBG_S1’ and ‘WBG_S2’ had better yield and nutritional qualities. ‘WBG_S1’ exhibited high yield and high starch content in the mature seeds, reaching up to 52.15%. Thus, it is a good cultivar for producing natural starch products. ‘WBG_S2’ had low amylose and amylopectin content, but high soluble sugar content of up to 23.43% in fresh seeds. Thus, its seeds are suitable for fresh eating. In this study, membership-function analysis was used for the first time to evaluate the nutritional traits of lotus seeds and provides a scientific basis for the validation of lotus seed quality. This study also provides theoretical evidence for the application of the two new cultivars ‘WBG_S1’ and ‘WBG_S2’.
胡裕凤, 杨美, 刘艳玲, 邓显豹, 徐立铭, 杨东. 子莲新品种‘武植子莲1号’和‘武植子莲2号’产量与营养品质分析[J]. 植物科学学报, 2019, 37(5): 644-652.
Hu Yu-Feng, Yang Mei, Liu Yan-Ling, Deng Xian-Bao, Xu Li-Ming, Yang Dong. Analysis and assessment of yield and nutritional quality of two new seed lotus (Nelumbonucifera) cultivars ‘WBG_S1’ and ‘WBG_S2’. Plant Science Journal, 2019, 37(5): 644-652.
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