西部林业科学
西部林業科學
서부임업과학
JOURNAL OF WEST CHINA FORESTRY SCIENCE
2014年
4期
78-82
,共5页
许艳萍%陈璇%郭孟璧%张庆滢%何晓莹%郭鸿彦%杨明
許豔萍%陳璇%郭孟璧%張慶瀅%何曉瑩%郭鴻彥%楊明
허염평%진선%곽맹벽%장경형%하효형%곽홍언%양명
重金属%工业大麻%种子萌发
重金屬%工業大痳%種子萌髮
중금속%공업대마%충자맹발
heavy metals%industrial hemp%seed germination
通过发芽试验,研究重金属Zn、 Pb、 Cu、 Cd胁迫对工业大麻种子萌发率、胚根伸长、胚芽生长以及总生物量的影响。结果显示,在4种重金属胁迫下,低浓度对种子萌发有促进作用,高浓度会抑制种子萌发和胚根的生长。4种重金属对种子萌发抑制作用依次为Cu2+和Cd2+>Zn2+>Pb2+,其中Zn2+和Pb2+在1000 mg/L浓度时,萌发率仍然达到80%以上;对胚根长、胚芽长和总生物量的毒害或影响作用依次为 Cu2+>Cd2+>Zn2+>Pb2+。结果表明,工业大麻种子萌发过程对Pb2+和Zn2+具有较高的抗性,抗性大小依次为Pb2+>Zn2+>Cd2+>Cu2+。
通過髮芽試驗,研究重金屬Zn、 Pb、 Cu、 Cd脅迫對工業大痳種子萌髮率、胚根伸長、胚芽生長以及總生物量的影響。結果顯示,在4種重金屬脅迫下,低濃度對種子萌髮有促進作用,高濃度會抑製種子萌髮和胚根的生長。4種重金屬對種子萌髮抑製作用依次為Cu2+和Cd2+>Zn2+>Pb2+,其中Zn2+和Pb2+在1000 mg/L濃度時,萌髮率仍然達到80%以上;對胚根長、胚芽長和總生物量的毒害或影響作用依次為 Cu2+>Cd2+>Zn2+>Pb2+。結果錶明,工業大痳種子萌髮過程對Pb2+和Zn2+具有較高的抗性,抗性大小依次為Pb2+>Zn2+>Cd2+>Cu2+。
통과발아시험,연구중금속Zn、 Pb、 Cu、 Cd협박대공업대마충자맹발솔、배근신장、배아생장이급총생물량적영향。결과현시,재4충중금속협박하,저농도대충자맹발유촉진작용,고농도회억제충자맹발화배근적생장。4충중금속대충자맹발억제작용의차위Cu2+화Cd2+>Zn2+>Pb2+,기중Zn2+화Pb2+재1000 mg/L농도시,맹발솔잉연체도80%이상;대배근장、배아장화총생물량적독해혹영향작용의차위 Cu2+>Cd2+>Zn2+>Pb2+。결과표명,공업대마충자맹발과정대Pb2+화Zn2+구유교고적항성,항성대소의차위Pb2+>Zn2+>Cd2+>Cu2+。
A germination test was conducted for understanding the effect of Zn , Pb, Cu and Cd on germination rate, radicle growth , bud development and total biomass of industrial hemp ( Cannabis sativa L.) , The results showed that 4 types of heavy metals with low concentration could promote seed germination , while heavy metals with high concentration would inhibit seed germination and radical growth.The toxicity of 4 types of heavy metals on seed germination rate could be ranked as Cu 2+>Cd2+>Zn2+>Pb2+, and the germination rate could reach over 80 % for Zn2+and Pb2+with a concentration of 1 000 mg/L.The test also showed the same result for radicle growth, bud growth and total biomass and it could be ranked as Cu 2+>Cd2+>Zn2+>Pb2+.This test indicated that seed germination of hemp was highly resistant to Pb 2+and Zn2+, and it could be ranked as Pb 2+>Zn2+>Cd2+>Cu2+.