基质对奥地利黑松容器苗生长的影响  

Effect of Substrate on the Growth of Pinus nigra var. austriaca Container Seedlings

作　　者：周永学[1] 樊军锋[1] 曹锋[2] 

机构地区：[1]西北农林科技大学林学院,陕西杨凌712100 [2]延安大学,陕西延安716000

出　　处：《西部林业科学》2017年第1期130-133,共4页Journal of West China Forestry Science

基　　金：国家林业局"948"项目奥地利黑松;花旗松种质与栽培技术资源引进

摘　　要：以侧柏林下土、油松林下土、河北杨林下土、熟耕地土和黄绵土5种材料为基质,进行奥地利黑松播种育苗试验,研究不同基质对苗木生长的影响。结果表明:用侧柏林下土为基质播种奥地利黑松,其苗高、地径和根系生长量最大,油松林下土播种次之,黄绵土最差。主要原因是侧柏林下、油松林下表土中有机质含量较高,分别达到了10.4g/kg和8.8g/kg,而黄绵土的有机质含量仅2.94g/kg。相关性分析表明,奥地利黑松2年生苗高、地径与基质有机质含量呈显著正相关,相关系数达到0.919和0.863,与p H值为负相关。较高的磷含量有利于奥地利黑松苗木生物量的积累。Soil underneath of Platycladus orientalis, Pinus tabulaeformis, Populus hopeiensis plantations and soil from farming land and loessal soil were applied as substrates for understanding the effect of different substrates on the growth of Pinus nigra var. austriaca container seedling. The result showed that substrate from soil underneath of Platycladus orientalis improved the seedling growth most, followed by the soil from Pinus tabulaeformis and the least was the loessal soil. The main reasons are that the soil underneath Platycladus orientalis and Pinus tabulaeformis contains higher organic matter, 10.4g/kg and 8.8g/kg, respectively, whereas, the organic matter of loessal soil is only 2.94g/kg. Correlations analysis showed that the height and ground stem diameter are positively correlated with organic matter for 2-year-old Pinus nigra var. austriaca container see , the coefficient is 0. 919 and 0. 863 respectively, and that are negatively correlated with Ph values. High concentration of phosphorus improves the biomass accumulation of Pinus nigra var. austriaca seedlings.

关 键 词：奥地利黑松 容器育苗 基质 生长量 相关性分析 

分 类 号：S791.256[农业科学—林木遗传育种]