seed orchard

Study on Uniformity Index of Parental Gamete Contribution in Conifer Seed Orchard

针叶树种子园亲本配子贡献平衡指数的研究

The plant selected thinning with the intensity at 20%~ 30% was conducted in the Chinese fir seed orchard grew for 12 years in Qingyuan Forest Farm of Zhejiang.

对浙江庆元林场12年生的杉木1代种子园进行强度为20%～30%的选择性疏伐。

The Time and Spatial Variation in Blossom of Clones in Yingde Loblolly Pine Advanced Seed Orchard

英德火炬松改良种子园无性系开花的时空变化

Three years' ( 1988~ 1990) observation showed that blooming date and duration had a marked difference among 31 clones of Pinus tabulaeformis in the seed orchard located in Lushi County, but blooming date of different clones overlapped completely.

1988～1990年在河南卢氏油松种子园3a的观测表明：31个无性系的花期早晚和长短有较大差异，但不存在花期不遇的问题；

Result of the test provided a basis for directional seeds supply and roguing of the primary seed orchard.

本试验结果也为英德火炬松种子园定向供种及去劣疏伐提供依据。

Analysis of Clone Selective Pairing and Consanguinity Control for Seed Orchard in Pinus massoniana

马尾松建园无性系选配及亲缘关系控制的分析

Studies on the Characteristics of Pollination and Seed Quality in Seed Orchard of Japanese Larch

日本落叶松种子园散粉特性与种子播种品质的研究

A test on genetic effect of elementary seed orchard of Chinese fir

杉木初级种子园遗传效应的一个验证

Early genetic analysis of some clones in the improved slash pine seed orchard

湿地松改良种子园部分无性系的早期遗传评价

Observations and Analyses of the Pollen Dispersal in the Seed Orchard of Cunninghamia lanceolata

杉木种子园内花粉飞散的观测与分析

The production of animals or plants by inbreeding or hybridization. Analysis of Clone Selective Pairing and Consanguinity Control for Seed Orchard in Pinus massoniana

通过杂交或近亲交配的动植物的生产。马尾松建园无性系选配及亲缘关系控制的分析

In addition, the relationship between strobilus spatial distribution and lighting is discussed and some initial suggestions about pruning ard thinning in the seed orchard are presented.

作者讨论了油松树冠受光环境与雌雄球花空间分布的关系，提出了油松种子园无性系整形修剪的初步设想。

Paternity analysis can be used to measure gene flow directly, it could provided the foundation for understanding the degree of gene flow among populations or generations and the sexual selection fitness, for guidance to the designation and management for seed orchard.

父本分析通过直接估算基因流，对了解群体间或世代间的基因流动及性选择适合度有重要的理论意义，生产上可以指导林木种子园的设计和遗传管理。

Evaluation of Soil Fertility in Pinus taiwanensis Seed Orchard and Improvement Measures in Tiantai of Zhejiang

天台黄山松种子园土壤肥力评价与改良措施

New and more sophisticated methods of physiological control should be available to the seed orchard manager.

新的和更先进的生理控制方法,对于种子园管理人员将会有效的.

Evaluation on the Stability of Seed of Chinese Fir Seed Orchard

杉木无性系结实稳定性的评价

The study of Dahurian Larch seed orchard on its flowering season freezing damage and its protection

兴安落叶松种子园花期防冻措施的研究蜡梅科植物的开花与传粉

They have found areas suitable for seed orchard purposes.

他们找到了适于营建种子园的地区.

Analysis on the variation of female-male flowers and strobilus production of clonal seed orchard of Pinus tabulaeformis carr.

油松无性系种子园雌雄球花量及球果量变异分析。