一个“无性系测定”试验是生根的插条或嫁接的树木按照重复设计栽植的,并在生长几年后进行测定。
A "clonal test" is an experiment in which rooted cuttings or grafted trees are planted according to a replicated design and measured after a period of years.
经过10 ~15年无性系测定后,常常将属于几个家系的25 ~50个无性系混合起来,大量投入生产使用。
After 10 to 15 years of clonal testing, mixture of 25 to 50 clones, often belonging to several families, have been released for commercial use.
本试验共测定了54个短周期桉树无性系在人工气候培养室中的低温胁迫伤害指数和死亡率。
In a controlled chamber stress experiment, we tested the damage index and mortality of cuttings caused by low temperature of 54 short-rotation eucalypt clones.
本文对39个杜仲优树无性系叶片的硝酸还原酶活力进行了测定。
Examines the NR activity of leaves from 39 clones of eucommia plus.
通过高产脂马尾松初级种子园产脂力测定,结果表明:14个3重复和19个2重复无性系间的差异都达到极显著性水平。
The results showed that the differences among 14 3-replication clones and 19 2-replication ones all reached the extremely significant level.
在这些家系中不同无性系被大量地繁殖,也没有进行无性系的测定。
Various clones families could be propagated commercially without having been clonally tested.
通过测定生长量综合因素,从辽宁森林经营研究所引进的36个无性系中,选育出优良无性系5个,占13·9%。
By means of measuring integrated factors of growth volume, selected and bred 5 elite clones introduced from 36 clone Larix kaempferi in Liaoning Forest Management Institute which covered by 13.9%;
对12年生5个毛白杨优良无性系(另1个作对照)胸高处木材的基本密度和纤维形态进行了测定分析。
Wood basic density and fiber morphological features in the breast-height position for512-year-old excellent clones of Populus tomentosa Carr. (1CK)were measured and analyzed in this paper.
在昆明试验点测定林保存完好的无性系中,直干桉有5个、蓝桉有3个无性系的材积超过对照(实生木) ,其中超过30 %有6个(直干桉4个,蓝桉2个)。
In those clones maintained completely, the volume of 8 clones (5 E maidenii and 3 E globulus) exceed that of the control and of which 6(4 E maidenii clones and 2 E globulus ) exceed by 30% in Kunming.
在昆明试验点测定林保存完好的无性系中,直干桉有5个、蓝桉有3个无性系的材积超过对照(实生木) ,其中超过30 %有6个(直干桉4个,蓝桉2个)。
In those clones maintained completely, the volume of 8 clones (5 E maidenii and 3 E globulus) exceed that of the control and of which 6(4 E maidenii clones and 2 E globulus ) exceed by 30% in Kunming.
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