加拿大一枝黄花化感作用的初步研究

Preliminary Study of Allelopathy of Solidago canadenis L.

对外来入侵植物加拿大一枝黄花(Solidago canadenisL.)的化感作用进行了研究。结果表明,加拿大一枝黄花地上与地下部分的提取物以及根际土壤的水提取物都具有较强的化感效应,能明显抑制供试植物种子萌发和幼苗的生长,研究结果初步揭示了加拿大一枝黄花的化学入侵机制。

The allelopathy of the exotic invasive plant, Solidago canadensis L. was studied. The result showed that the extract of aerial and underground part of S. canadensis, and aqueous extract of rhizosphere soil of S. canadensis displayed obvious allelopathy effects on the germination and growth of young seedlings of the tested plants. The research preliminarily proved the chemical mechanism of the plant.