苗木质量分级方法研究综述  

Review of Seedling Quality Grading Method Research

作　　者：封丹[1] 张厚江[1] 季梦婷[1] 

机构地区：[1]北京林业大学工学院,北京100083

出　　处：《林业机械与木工设备》2016年第4期10-15,20,共7页Forestry Machinery & Woodworking Equipment

基　　金：国家自然科学基金项目"应力波在人工林活立木中的传播机理及波速转换模型的研究"(31328005);林业公益性行业科研专项项目(201304512)

摘　　要：苗木的质量决定其造林后的成活率,为保证壮苗的培育和栽种,需要对苗木质量进行评估。论述了苗木质量的分级指标及分级方法,分析了这些方法存在的问题。用于表征苗木质量的指标有两种,一种是针对苗木外在形态的测量(形态指标),另一种是针对苗木生理或内在质量的检测(生理指标)。目前广泛采用的是基于形态指标的分级方法,但其并不能反映苗木内部材质状况,今后的研究中应注重苗木内部材质与苗木指标之间的关系,以探求一种新的更完善的分级方法。The quality of seedlings determines the survival rate of afforestation,and in order to ensure production and application of seedlings,it is necessary to evaluate the quality of seedlings. Seedling quality grading indicators and methods are discussed,and the problems existing in these methods are analyzed and discussed. There are two kinds of indicators for representing seedling quality,with one kind being morphological indicators for morphological measurements of seedlings and the other kind being physiological indicators for inspecting the physiological or intrinsic quality of seedlings. Currently,morphological indicators- based grading methods are widely used in actual production,but they can not reflect the internal material condition of seedlings. In future study,attention should be paid to the relationship between the internal quality of seedlings and seedling indicators and a new grading method will be explored to supplement and improve existing methods.

关 键 词：苗木质量 分级 地径 苗高 

分 类 号：S723.4[农业科学—林木遗传育种]