摘要
在实验室和温室条件下 ,用从石菖蒲根茎中提取的挥发油经减压蒸馏获得的组分四 ,对稗草、鳢肠和水稻的萌发与生长进行了生物学效应测试。结果表明 ,在低浓度时促进供试植物的萌发和生长 ,而在高浓度时则抑制萌发和生长。实验室培养皿条件下 ,5 0～ 4 0 0 mg/ L浓度抑制作用产生并逐渐增加 ,4 0 0 mg/ L以上达到 90 %或更高。但是 ,温室盆钵条件下 ,30 0 0 mg/ L时才出现抑制作用 ,在 10 0 0 mg/ L以下均表现促进作用。
The laboratory and glasshouse experiments were conducted to evaluate the effect of fraction 4 on seed germination and seedling growth of barnyardgrass (Echinochloa crusgalli (L.) Beauv.), eclipta(Eclipta prostrata(L.) L.) and rice(Oryza sativa L.), which was separated from the essential oil of rhizomes of grass-leaved sweetflag(Acorus tatarinowii) that was dephlegmated at low pressure. A common phenomenon was observed in both laboratory and greenhouse trials, that is, seed germination and seedling growth was inhibited at higher concentration but slightly increased at 50 mg/L or lower concentration. Under laboratory conditions, inhibition was observed at concentration from 50~400 mg/L and more than 90% inhibition with >400 mg/L. However, under glasshouse conditions, inhibition occurred at 3000 mg/L or higher while increase of the growth was observed at 1000 mg/L or lower concentration.
出处
《武汉植物学研究》
CSCD
2003年第3期249-253,共5页
Journal of Wuhan Botanical Research
基金
The National Natural Science Foundation of China( 3 0 170 164 )
Doctoral Foundation of the Ministry of Education( 2 0 0 0 0 3 0 70 8)
Hi-tech Research and Development Program of China ( 863 Program :2 0 0 1AA2 460 12 ) and the Natural ScienceFound
关键词
生物活性
提取物
石菖蒲
稗
鳢肠
水稻
Biological activity
Extract
Acorus tatarinowii Schott
Echinochloa crusgalli (L.) Beauv.
Eclipta prostrata(L.) L.
Oryza sativa L
