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Effects of light paths on the growth and lipid accumulation of two strains of soil green algae
Author(s): 
Pages: 67-71
Year: Issue:  3
Journal: Rural Energy

Keyword:  土壤绿藻 光径 生物量 叶绿素a含量 总脂含量 最大总脂收获量;
Abstract: 以土壤绿藻1791和1792为试验材料,采用BG-11培养基,分析测定在Φ3×60,Φ6×60 cm两种光径条件下藻的生长和总脂含量。结果表明,两株绿藻在3 cm光径条件下培养获得的最终生物量干重都高于6 cm光径条件,绿藻1791在不同光径条件下的生长从第2天开始出现差异,3 cm试验组的最终干重为4.56 g/L,6cm试验组为3.00 g/L。绿藻1792在培养4 d后藻的生长出现差异,最终3 cm试验组的干重为4.52 g/L,6 cm试验组为3.88 g/L。两株绿藻的叶绿素a含量在培养过程中呈现先上升后下降的趋势。绿藻1791在不同光径条件下的最终总脂含量都比1792的低,最高总脂含量均出现在3 cm光径试验组,在此条件下获得的最大总脂收获量分别为1.63 g/L和1.94 g/L。
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