摘要
通过对2年生平榛实生苗生长节律及叶绿素含量的分析,结果表明:2年生平榛实生苗的苗高、地径生长节律与生长曲线一致性较好,叶绿素a、b和总量随着苗木生长量的增加而增加,后期下降,呈现"低—高—低"变化趋势;2年生平榛苗木活力可用苗木形态指标苗高(95.65cm)、地径(0.87cm)、新梢长(40.23cm)与生长期间平榛叶绿素总量(0.979 0mg·g-1)的最低值进行评价。
The growth rhythm chlorophyll content of 2-year-old Corylus heterophylla seedlings were analyzed.The consistency of seedling height,diameter growth rhythm growth curve is optimal.Chlorophyll a,Chlorophyll b increase with the increase of the total volume and decrease in late stage,showing＂low-high-low＂trend.The vigor of 2-year-old Corylus heterophylla seedlings can be evaluated by morphological indicators seedling height（95.65cm）,ground diameter（0.87cm）,length of new shoots（40.23cm） minimum value of the total volume of chlorophyll（0.979 0mg·g-1）.
出处
《防护林科技》
2015年第3期34-35,共2页
Protection Forest Science and Technology
关键词
平榛
苗木活力
生长节律
叶绿素含量
Corylus heterophylla
vigor of seedlings
growth rhythm
content of chlorophyll
