• 一个无性系测定试验生根插条嫁接树木按照重复设计栽植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.

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  • 经过10 ~15无性系测定后,常常属于几个系的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.

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  • 试验测定54个短周期桉树无性系人工气候培养室中的低温胁迫伤害指数死亡率

    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.

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  • 本文39个杜仲优树无性系叶片硝酸还原酶活力进行测定

    Examines the NR activity of leaves from 39 clones of eucommia plus.

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  • 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19个2重复无性系差异达到显著性水平

    The results showed that the differences among 14 3-replication clones and 19 2-replication ones all reached the extremely significant level.

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  • 在这些系中不同无性系大量地繁殖,也没有进行无性系测定

    Various clones families could be propagated commercially without having been clonally tested.

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  • 通过测定生长量综合因素辽宁森林经营研究所引进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%;

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  • 对12年生5个毛白杨优良无性系(另1个对照)胸高处木材基本密度纤维形态进行测定分析。

    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.

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  • 昆明试验点测定林保存完好无性系中,直干5个、蓝桉有3无性系的材积超过对照(实生木) ,其中超过30 %有6个(直干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.

    youdao

  • 昆明试验点测定林保存完好无性系中,直干5个、蓝桉有3无性系的材积超过对照(实生木) ,其中超过30 %有6个(直干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.

    youdao

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