Research Progress on the Effects of Germanium on Physiological Characteristics of Plants
Organic germanium compounds,with anti-oxidation and promoting metabolism,are one of the essential trace elements for human,which are widely used as medical applications and dietary supplements.Inorganic germanium compounds can be absorbed by plants and further accumulated and transformed into organic germanium compounds in plant tissues.The effective way to obtain organic germanium compounds is to cultivate germanium-enriched plants.In this review,the application of exogenous germanium in plants,its distribution and metabolism in plants,the physiological functions of germanium to plants and the development and utilization of plant germanium resources were reviewed.On the aspect of the molecular level in plants,the absorption,transportation and distribution mechanism of germanium,as well as the physiological and biochemical mechanism of germanium in plants under stress were prospected,which provides reference for the planting of germanium-enriched plants and the promotion of healthcare functions of plants.
germaniumplantsseed germinationgrowth and developmentphysiological function
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