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首页> 外文期刊>African Journal of Food, Agriculture, Nutrition and Development >Micro-element contents of roselle (Hibiscus sabdariffa L.) at different growth stages
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Micro-element contents of roselle (Hibiscus sabdariffa L.) at different growth stages

机译：不同生长阶段玫瑰茄（Hibiscus sabdariffa L.）的微量元素含量

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In the western Sahel, leaves of Roselle (Hibiscus sabdariffa) have considerable economic importance because of their nutritional and medical uses. These plant organs are used to supplement nutrients provided by cereals such as millet and sorghum. However, there is a lack of information on the nutrient composition of these plant organs of Roselle at different growth stages. Therefore, the experiment was carried out under rainfall conditions during the 2006 rainy season (from July to September) at the experimental station of the Agrhymet Regional Centre in Niamey (Niger). The content of the micronutrients Fe, Mn, Cu and Zn in leaves of three ecotypes of Roselle (A3, A7 and A9) at three growth stages, vegetative (stage I), flowering (stage II), and mature (stage III) was determined. The experimental design was a randomized complete block with four replicates and one variable (ecotype). Results indicated that at stage I, ecotype A3 had higher Fe content in leaves. In addition, A3 had also the highest Zn content in leaves at stage I. For all three ecotypes, Fe and Zn content in the leaves decreased significantly (p
机译：在萨赫勒西部地区，玫瑰茄（Hiscus sabdariffa）的叶子由于其营养和医学用途而具有重要的经济意义。这些植物器官用于补充谷类（例如小米和高粱）提供的营养。但是，缺乏有关玫瑰茄这些植物器官在不同生长阶段的营养成分的信息。因此，该实验是在2006年雨季（7月至9月）的降雨条件下在尼亚美（尼日尔）Agrhymet区域中心的实验站进行的。在三个生长阶段（营养（第一阶段），开花（第二阶段）和成熟（第三阶段））的三种生态型玫瑰茄（A3，A7和A9）叶片中微量营养元素Fe，Mn，Cu和Zn的含量分别为决心。实验设计是具有四个重复和一个变量（生态型）的随机完整块。结果表明，在第一阶段，生态型A3的叶片中铁含量较高。此外，在第一阶段，A3叶片中的锌含量也最高。对于所有三种生态型，叶片中的铁和锌含量均显着下降（p

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