八种树苗浸出液对其它五种苗木成活生长的影响

THE EFFECT OF THE SOAKED SAP OF EIGHT KINDS OF TREES ON THE SURVIVAL AND GROWTH OF OTHER FIVE KINDS OF SEEDLINGS

分析了八种树苗浸出液对其它五种苗木成活生长的影响。结果表明，胡桃楸树苗浸出液对其被浸根苗木的颉抗（毒害）作用是有选择的，它使红松、红皮云杉、樟子松被浸根苗木当年成活率和当年高生长大幅度降低．并使兴安落叶松苗木全部死亡．但对水曲柳苗木影响却不大。水曲柳、大青杨树苗浸出液会引起被浸根兴安落叶松苗木当年成活率和高生长的降低，而兴安落叶松树苗浸出液浸水曲柳苗根对被浸苗木当年高生长则无影响。红松、红皮云杉、兴安落叶松、水曲柳、白桦等五种树种苗木浸出液分别浸樟子松苗根对提高樟子松当年高生长量效果较显著。

The effect of the soaked sap of eight kinds of trees on the survival andgrowth of other five kinds of seedlings was analysed. The results confirmed thatthe deleterious effect of manchurian walnut on the seedlings of soaked seed isselective, which make the current survival rate and height growth of the soakedseedlings of Korean pine、spruce and Scotch pine reduce largely and make thedahurian larch seedlings all die. But it has little influence on ash seedlings. Thesoaked sap of dahurian larch and poplar can cause the decrement of currentsurvival rate and height growth of dahurian larch. while the soaked sap ofdahurian larch has no influence on the current height growth of ash seedlings.The soaked sap of Korean pine, spruce dahurian larch. ash and Asian white birchrespectively soak the roots of Scotch pine seedlings. which can largely increase thecurrent height growth of Sooth pine.