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- A Some Methods of Vegetative Propagation of Camellia japonica L. 茶花无性繁殖实践经验小结。
- In nature, the main production quomodo is vegetative propagation. 有效幼穗分化进程的时间表是:6月-7月末根茎顶芽的生长锥为初生期;
- Efficient methods of vegetative propagation and improved screening techniques are also required. 高效率的无性繁殖法和改良的鉴定技术也属必需。
- Such rootstocks or cultivars were reproduced true to type by vegetative propagation. 这些钻木和品种,通过无性繁殖长成和亲本一样的类型。
- Vegetative propagation of nuts has been successfully practised for over 2, 000 years. 坚果的无性繁殖已被成功地应用了2000多年。
- Abstract Leymu chinensis is a rhizomatous grass with larger vegetative propagation. 不同样地羊草无性系种群分蘖植株的年龄结构见表1。
- Vegetative growth (vegetative propagation;vegetative reproduction) Growth of any parts of the plant other than flowers. 营养生长:指植物体除了花以外的任何部位的生长发育。
- Such rootstocks or cultivars were reproduced true to type by vegetative propagation . 这些钻木和品种,通过无性繁殖长成和亲本一样的类型。
- Layering A method of vegetative propagation in which RUNNERS or STOLONS are pegged down to the soil surface. 压条法:植物进行无性繁殖的一种方法。
- There is an obvious regularity between quantitative characters of vegetative propagation of the Old World bluestem population. 研究结果如下:(1)白羊草种群诸营养繁殖数量性状之间具有较强的变化规律。
- It is an organ of perennation or vegetative propagation, and is characteristic of various water plants (e.g.Sagittaria). 这是多年生营养繁殖器官,还是多种水生植物的特征之一(例如:Sagittaria)。
- Vegetative propagation technique of Forsythia Suspensa by softwood cutting was studied by using full sunshine and autospay system. 摘要采用悬臂式全光照自动喷雾扦插育苗设备,进行了连翘嫩枝扦插育苗技术研究。
- Studies were made on the vegetative propagation coefficient and cormel's biological characters using eighth-excision in different development phase of Lycoris radiate. 摘要在红花石蒜不同生长发育期进行八分法切割繁殖,研究无性繁殖系数和子球生物学性状差异性。
- Epimedium koreanum is a typical species of perennial herbaceous rhizome plant.Its natural population is mainly renewed by vegetative propagation of rhizomes. 摘要对长白山不同生境中朝鲜淫羊藿种群无性系构型、根茎生长及其生物量的变化进行了研究。
- The significance of vegetative propagation as a source of primary inoculum in spread of black rot (or streak disease), caused by Phoma wasabiae, was investigated in this study. 摘要本研究主在探讨山葵黑心病菌可能危害山葵之主要感染源,以明瞭山葵黑心病菌在田间发生扩展之情形;
- The vegetative propagation techniques of Corylus avellana including grafting,cutting,layering and offshooting were systematically introduced in this paper. 从嫁接繁殖、扦插繁殖、压条繁殖和分株繁殖等方面系统地介绍了欧榛的无性繁殖技术,为繁殖欧榛作参考。
- Vegetative propagations of tissue culture for JXB-1 was all male sterile. 用组织培养方法进行无性繁殖的JXB-1后代全部表现为雄性不育。
- 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 studies were carried on the regrowth yield, quantitative characters of vegetative propagation and sexual reproduction of Old World bluestem (Bothriochloa ischaemum) population in Shanxi rangelands. 本实验以山西天然草地中白羊草(Bothriochloa ischaemum)种群为研究对象,分析了其营养繁殖、有性生殖的数量特征以及刈割期和留茬高度对白羊草产草量和品质的影响。
- It is critical for increasing productivity of caribbean pine plantations to match sites with different varieties or provenances,to use ge- netically improved seed and accelerate vegetative propagation of selected genetic materials. 选择适于不同立地类型的变种或种源、改良种子的遗传品质和促进优良遗传材料的无性繁殖是提高加勒比松生产力的基础;