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- seedling seed orchard method 幼苗种子园法
- The amount of female and male flowers strobilus from 12 families was investigated in Baisha seedling seed orchard of masson's pine (Pinus massoniana) from Shanghang County, Fujian Province. 摘要观测了福建省上杭县白沙林场马尾松实生种子园的21个家系花量,分析了家系内与家系间雌雄球花量、各家系雌雄球花量在不同冠层和方位的分布。
- Breeding Value Estimation and Family Selection for Seedling Seed Orchard of Masson's Pine 马尾松实生种子园建园家系遗传值估算与优良家系评选
- Study on Genetic Variation of Main Properties of Pinus massoniana at Provenance Seedling Seed Orchard 马尾松种源实生种子园主要性状遗传变异的研究
- seedling seed orchard 实生苗种子园
- They have found areas suitable for seed orchard purposes. 他们找到了适于营建种子园的地区。
- Study on Establishing Graft Seed Orchard of Pinus massoniana Lamb. 马尾松无性系嫁接种子园营建技术研究。
- Genetic gain of progeny testing from seedling seed orchards of Pinus massoniana provenances 马尾松种源实生种子园子代苗遗传增益的研究
- The main function of a seed orchard is to produce seed of improved genetic quality on a regular and sustained basis. 种子园的主要作用就是经常和持续地生产改良了遗传品质的种子。
- Most seed orchard theory is based on the assumption that panmixis will occur and that selfing will not be a serious problem. 大多数关于种子园理论,是以假定能发生随机交配和自花受精而不会成为严重问题为依据的。
- 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。
- It could be argued that localities subject to periodic abnormally dry earlysummer conditions should be favoured for seed orchard sites. 可以证明有周期性反常干旱早夏的地方作种子园园址应是有利的。
- 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。
- Genetic variations of clonal traits and estimation of gamete pool composition in a clonal seed orchard of Pinus tabulaeformis. 油松种子园无性系性状变异与配子贡献研究。
- It could be argued that localities subject to periodic abnormally dry early summer conditions should be favoured for seed orchard sites. 可以证明有周期性反常干旱早夏的地方作种子园园址应是有利的。
- Results indicated that over-logging caused the increase of inbreeding and that establishment of well-designed seed orchard can effectively reduce inbreeding. 结果表明过度采伐导致群体自交程度增加,营建种子园可有效减少近交。
- In 1954 the first experimental seed orchards were planted. 到1954年,第一批实验性种子园建立起来了。
- The method seems good but it needs to be tried out. 这个方法似乎不错,但需要试验一下。
- The average tree volume,height and diameter of 6 superior families were above 0.033 339 m3,11.31 cm,6.62 m respectively which had average genetic gains above 30%,9%,11%. These superior families could be used for seed orchard and vegetative propagation. 调查数据经过统计分析;从参试的家系中选出6个优良家系;其材积、胸径、树高平均值分别达到0.;033 339m3、11
- The seedling have shrivel up a bit in the hot sun. 在炎热的太阳光下,幼苗已有一点乾枯。