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Study on Diurnal Variation of Photosynthetic Indexes of Cymbidium lowianum Cultivated in Different Mediums
Author(s): 
Pages: 16-19
Year: Issue:  4
Journal: Subtropical Plant Science

Abstract: 探讨5种不同栽培基质对碧玉兰光合指标日变化的影响.结果表明:5种基质栽培的碧玉兰,其净光合速率、蒸腾速率、胞间CO2浓度及气孔导度的日变化趋势基本呈“双峰”曲线.在基质Ⅳ(1/4树皮+1/4泥炭+1/4水苔+1/4陶粒)中栽培的碧玉兰净光合速率、胞间CO2浓度及气孔导度变化值相对较大,其次是基质Ⅲ(1/2树皮+1/4泥炭+1/4水苔),两者与对照差异显著(p<0.05).综合来看,基质Ⅳ最适宜碧玉...
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