摘要： 分别用蒸馏水、乙醇和乙醚3种溶液提取黑籽南瓜幼苗根内物质，于黄瓜幼苗期（第一真叶宽5cm时及其后第七天）进行叶面喷施处理2次，以3种空白溶液为对照，试验结果表明：叶片和根中的总糖含量高于ck，除乙醇提取液处理试验结果外，其他处理差异均表现为极显著和显著水平；真叶和根内的木质素和单宁含量显著和极显著地增加。

关键词: 黑籽南瓜, 根提取物, 黄瓜, 某些物质

Abstract: Extract solutions were extracted from seedling root of C.filifolia by distilled water,ethanol and ether,and were sprayed into foliage of cucumber 2 times at the seedling stage(i.e.the first leaf 5(c)M in width and the second sprayed 7 days after the first),with the non-extracted solution being control.The result showed that after sprayed,in leaf and root of cucumber,the content of sugar significantly increased than control except the ethanol extracted solution;the content of lignin and tannin significantly increased.

Key words: C.filifolia, Extract solution, Root, Cucumber

中图分类号: 

• S642.125