摘要
本文通过对泡桐9501苗期试验，综合分析了物候期各项指标、试验地温度和降雨量以及净光合速率对苗木生长的影响等。结果表明，7—8月份，在水肥适宜的条件下，平均温度26％是苗木的速生期；有效叶面积净光合速率与单株生长量成正比，净光合速率可作为衡量品种优越的指标。
In this paper seedling-raising experiments of Paulownia chinense variety 9501 were carried out. The phenological indicators and the influences of the plot temperatures, precipitation and net photosynthetic rate （Pn） on the seedling growth were comprehensively analyzed. The results showed that in the condition of suitable water and fertilizer, the fast-growing period of the seedlings was the time when the mean temperature was 26~C. The Pn of the effective leaf area was directly proportional to the single-plant increment. The Pn could be used to determine whether the variety is fine.
出处
《安徽林业科技》
2013年第5期28-30,共3页
Anhui Forestry Science and Technology
基金
安徽省林科院院长基金项目：“泡桐种质资源的收集及良种选育研究”专题.
关键词
泡桐
埋根育苗
物候期
生长量
净光合速率
Paulownia chinense
Buried root seedling-raising
Phenological period
Increment
Net photosynthetic rate
