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1·The the stem tuber buds is the appropriate ex-plants of rapid propagation of colorful Zantedeschia.

彩色马蹄莲快速繁殖的适宜外植体是块茎和块茎芽。

2·The yield of tuber and colchicine content could be increased by means of promoting the growth of stem and leaves and elongating the effective photosynthetic time before the peak appeared.

高峰期前，用促进茎、叶生长和延长有效光合作用时间的方法，能在生长后期提高块茎的产量和秋水仙碱的含量。

3·Any of various other underground plant parts, especially an underground stem such as a rhizome, corm, or tuber.

地下茎，根茎，块茎：任何其它植物的地下部分，尤指根茎、球茎或块茎等地下茎。

4·The protein content in leaves was high significantly higher than that in tuber and stem, with stems having lowest level of protein, on the basis of both fresh and dry weight.

结果表明：以干、鲜重为基础的叶片蛋白质含量都极显著高于块茎和茎秆，茎秆含量最低；