凋落物和土壤浸提液對油松種子萌發(fā)與幼苗生長的影響

雷日平　 陳輝　 劉建軍　

摘　要：混交林的生態(tài)和經(jīng)濟(jì)效益越來越引起人們的關(guān)注，為了探討混交林中各樹種的生化關(guān)系，研究了分布于陜西省寧陜縣火地塘林場的華山松(Prunus armandii)和銳齒櫟(Quercus
acutissima)林下土壤及凋落物浸提液對油松(Prunus tabulaeformis)種子發(fā)芽、胚根和幼莖生長的影響.結(jié)果表明：各個濃度水平的兩種森林林下土壤浸提液對種子發(fā)芽，幼莖生長和胚根生長都無顯著影響；各個濃度水平的凋落物浸提液對胚根和幼莖生長有顯著影響，經(jīng)α=0.05水平檢驗，1∶10液對胚根生長有顯著的促進(jìn)作用，原液和1∶20液無顯著影響，1∶10液和1∶20液對幼莖生長有顯著的促進(jìn)作用，而原液無顯著影響.
關(guān)鍵詞：華山松；銳齒櫟；油松；凋落物浸提液；土壤浸提液； 種子萌發(fā)；幼苗生長
分類號：S791.245.04；S722.3　文獻(xiàn)標(biāo)識碼：A
文章編號：1000-2502(2001)01-0082-03

Effects of Litter Leaching Liquor and Soil Leaching Liquor of Prunus armandii and Quercus acutissima Stands on Seed Sprout and Seedl ing Growth of Prunus tabulaeformis

LEI Ri-ping（Dept.of Resources and Environment of Fujian Forestry College, Nanping 353001 ,Fujian,China）　
CHEN hui（Dept.of Resources and Environment of Fujian Forestry College, Nanping 353001 ,Fujian,China）　
LIU Jian-jun（Northwest Forestry and Agriculture Technological University, Yanglin 712100, Shanxi,China）　

Abstract：In recent years, much attention has been given to the economic and ecological benefits of mixed forest.In this paper, the grow th of Prunus tabula eformis seed, treated with the aqueous extracts of Prunus armandiii and Quercus acu tissima forest which lies in Ningshan County，Shanxi Province, is studied by v a riance analysis, so that the constitution of trees in the mixed forest is also d iscussed. The results indicate: each concentration level of aqueous extracts from soil un der two kinds of forests has no significant effect on seed-pullulating, radicle and radicle growth; each concentration level of aqueous extracts from forest li tter has significant effect. The concentration of 1∶10 equeous extracts from li tter accelerates the radicle growth significantly, but those of the original and 1 ∶20 have no significant effect; and the concantions of 1∶10 and 1∶20 accelera te the tender stem growth, but the original has no significant effect.
Keywords：Prunus tabulaeformis; Prunus armandii; Quercus acutissime; litter leaching liquor; soil leaching liquor; seed sprout; seedli ng growth

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收稿日期：2000年3月7日

出版日期：2001年3月1日