【摘要】 1983年中国科学院兰州化物所试出两种新型促根剂L—1号、L—2号。1984—1987年与甘肃农业大学林学系合作,在派难繁杨树扦插中进行了药效试验。根据在黄羊镇甘农大园林试验站及张掖林科所单位试验的结果表明,L—1号,L—2号促根剂在河北杨,银白杨等难繁的白杨派的扦插繁殖中,药效显著,有一定的推广应用价值。更多还原

【Abstract】 L—1 and L—2,which were compounded by Lanzhon chemstry and physics research institute,are two new madlcines for accelerating roots.The efficacy test of L—1 and L—2, which was carried out for many years showed that they gave apparent effect on accelerating roots in cuttage of the hardly reproduced poplar,and the survval rate was about 80％.更多还原