片语

studies on vegetative propagation无性繁殖技术

rapid vegetative propagation快繁

vegetative e propagation营养繁殖

vegetative propagation corm营养繁殖茎

vegetative propagation planting分殖造林

vegetative propagation technique无性繁殖技术

vegetative propagation corms营养繁殖茎

vegetative propagation techniques无性繁殖技术

generation of vegetative propagation营养繁殖世代

英汉例句

• through 5 years systematical research on vegetative propagation seedling techniques of the main scattered bamboo species in yunnan including phyllosatachys bambusoides f.

  通过5年来对云南主要散生竹（斑竹、水竹、灰金竹、桂竹）无性繁殖育苗技术的系统研究，总结出各竹种经济实用的育苗方法。

• vegetative propagation is widely used in forestry, however, the maturation that due to phase changes during tree development is a huge obstacle.

  无性繁殖在林业中应用很普遍，而由树木发育阶段转变带来的成熟效应问题，一直是无性系造林的障碍。

• efficient methods of vegetative propagation and improved screening techniques are also required.

  繁殖法和改良的鑒定技术也属必需。

• analysis and discussion are also made for the 10 factors, involved in the experiments on vegetative propagation of populus tomentosa.

  同时对其中所涉及的10个试验因子，都一一作了分析与讨论。

• through variance analysis, it showed obviously variance comparing with non pre - treatment. it was an ideal way for vegetative propagation to use branch diameter cutting with non pre - t…

  经方差分析，与不经预处理的组合比较有显着差异，筛选出杜英用大枝径切穗条经预处理及激素处理是最理想的无性繁殖方法。

• the success of this technology and improve the quality of poultry for the vegetative propagation of rare and endangered animals, extinct species of great significance chuan.

  这一技术的成功与完善对于优良家禽的无性繁殖和濒临绝迹的珍贵动物的传种意义重大。

• studies were made on the vegetative propagation coefficient and cormels biological characters using eighth-excision in different development phase of lycoris radiate.

  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。

• through variance analysis, it showed obviously variance comparing with non pre - treatment. it was an ideal way for vegetative propagation to use branch diameter …

  经方差分析，与不经预处理的组合比较有显着差异，筛选出杜英用大枝径切穗条经预处理及激素处理是最理想的无性繁殖方法。

• conclusion: replacing natural reproduction by seed reproduction and vegetative propagation is an effective method to deal with the shortness of its natural resource.

  结论：推行人工种子繁殖和营养繁殖，变野生为人工种植，是对付太白木野生资源耗竭的有效办法。

• this paper reports in vitro rejuvenation and vegetative propagation of plus sitka spruce (picea sitchensis) trees.

  本文报导西加云杉优树离体复壮与无性繁殖。

• the difficulty of vegetative propagation were solved based on the study of tissue culture and ordinary vegetative propagation.

  同时通过组织培养和常规无性繁殖技术研究，基本解决了响叶杨无性繁殖困难的问题。

• in this paper the influence of different rooting medium, hormones and cutting material on vegetative propagation rooting of a. mangium aged 1~2 year from superior clones was studied .

  以1～2年生马占相思优良无性系组培苗为材料，进行了生根基质、生根剂浸泡液、插穗来源等扦插试验研究。

• spartina alterniflora has the trend of expansion to acanthus ilicifolius communities and bare mudflats by vegetative propagation after they first settled on the mudflats.

  互花米草有向老鼠簕群落和低洼滩涂扩展的趋势。

• moreover, corms used for vegetative propagation are susceptible to disease, tissue senescence and degeneration, and the merits will be declined along with the process of storage and cultivation.

  而球茎繁殖是营养繁殖方式的一种，容易感染病毒，随着储存和种植时间的延长，易出现衰老和退化现象，使香雪兰的品质下降。

• but all the conventional vegetative propagation methods have failed to reproduce it.

  用常规无性繁殖方法育苗均未成功。