The anatomical structure of the leaves in cuttings of five brushes was observed and studied in this paper.Ratio of palisade tissues to spongy tissues,extent of the cell concentration of the first palisade layer,density of the lateral vascular bundle,thickness of the primary vein,cuticular thickness 5 important indexes were compared in the five brushes.The result of variance of analysis was excellent significance to drought resistance in thickness of the primary vein,density of the lateral vascular bundle an...
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