说明酚类物质代谢在植物抗病机制中起着重要作用，硅能提高酚类代谢的酶活性。
The phenolic metabolism played an important role in disease resistance and silicon in-creased these enzymes activity.
酚类物质是重要的植物次生代谢物质之一。
Phenols are one of the important secondary metabolism products of plants.
通过对大穗型小麦兰考90 6研究表明，密度和酚类物质处理对麦苗的物质代谢和分蘖生长有明显的调节效应。
The experiment with Lankao906, a large ear cultivar, as material indicated that the metabolism and tiller growth of wheat seedling could be regulated by plant density and phenolic compounds.
成熟叶片中含有较多的初次生代谢产物如酚类、多糖类、脂类等物质，而且所含DNA相对较少，所以提取难度大，纯度低。
Mature leaves contain more initial metabolites, such as phenols, polysaccharides, lipids and other substances, and the DNA contained in a relatively small, so it is difficult to extract a low purity.
成熟叶片中含有较多的初次生代谢产物如酚类、多糖类、脂类等物质，而且所含DNA相对较少，所以提取难度大，纯度低。
Mature leaves contain more initial metabolites, such as phenols, polysaccharides, lipids and other substances, and the DNA contained in a relatively small, so it is difficult to extract a low purity.
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