摘要
柠条插穗生根属于愈伤组织生根类型。愈伤组织形成,诱发根原始体阶段,下切口深处的土壤≥10℃的积温是主导因子。形成愈伤组织适宜的平均土壤温度为18～20℃,≥10℃积温为360～400℃,土壤含水量为18～20％,诱发根原始体适宜的平均土壤温度为20～25℃。≥10℃积温为800～1000℃,土壤含水量为15～18％。
Describes the relationship between rooting of Caragana cuttings and under-layer soil temperature. Cumulative of underlayer soil temperature≥10℃ is the key factor for the callus formation and induce root primordium. An average soil temperature of 18-20℃, cumulative temperature of 360-400℃ (≥10℃), and a soil moisture of 18-20% is suitable for callus formation.And average soil temperature of 20-25℃, cumulative temperature of 800-1000℃, and a soil moisture 15-18% is suitable for the induction of root primordium as well as the survival and development of the cuttings.
出处
《西北林学院学报》
CSCD
1990年第2期90-93,共4页
Journal of Northwest Forestry University
关键词
柠条
插穗
生根
Caragana
cutting soil temperature
cumulative temperature
callus formation
root primordium
