查询词典 cultivar

The sprouting rote of lateral buds on 'Blue Moon' or 'Super Disco' cuttings was below 10%, that on 'Alsmeer Gold' or 'Jacaranda' was 70%, and that on the other cultivar's cuttings was l00%, only 20% of 'Samantha' cuttings without leaflet rooted while 80% of cuttings with 1 leaflets rooted.

而在腋芽的萌发率，'蓝色月亮'与'超级迪斯可'萌发率最低，在10%以下；而'阿尔什米尔的黄金'和'嘉卡兰达'同为70%，其余品种都能顺利萌发。

The main factors affecting the mealiness are temperature, cultivar and the fruit ripeness. Juiciness of the fruit can be considered as an indicator to measure the mealiness of fruits.

桃是我国的主要水果之一，品种多、产量大，但是多数桃在高温季节成熟，常温下货架期短，冷藏又易发生絮败，给贮藏和运输带来较大困难。

The rice phyC mutants described herein, which promote flowering under long-day conditions, will be highly prized as a new early-harvest rice cultivar.

此外，水稻phyC基因突变体，在长日照条件下可促进开花，将是非常有前景的快熟水稻新品种。

In the research, a lisianthus cultivar "Double Mariachi Pink"was used. The research included establishment of regeneration system of lisianthus,construction of chitinase gene in plant expression vector and transformation of lisianthus with chitinase gene.

本研究以洋桔梗"Double Mariachi Pink"品种为试材，建立了该品种的离体培养高频再生体系；构建了菜豆几丁质酶基因的植物表达载体，并对"Double Mariachi Pink"进行了转化。

A regeneration system was established from hypocotyl explants of Medico go sativa cultivar Nongbao.

对苜蓿的下胚轴外植体进行离体培养建立了再生体系。

Molecular systematics on germplasm resources of oak silkworm, Antheraea pernyi , including genetic diversity, cultivar taxonomy and microevolution within species, were investigated using Random Ampified Polymorphic DNA, mtDNA sequence analysis and population genetic analysis.

1.1.1 柞蚕的地理分布 20-211.1.2 柞蚕种质资源的收集、改良、保存和利用 21-231.1.3 柞蚕的滞育和化性 231.1.4 柞蚕的体色 23-241.1.5 柞蚕品种资源的系统分类 24-251.1.6 柞蚕杂种优势的利用研究 251.1.7 柞蚕的起源与传播 25-28

Molecular systematics on germplasm resources of oak silkworm, Antheraea pernyi, including genetic diversity, cultivar taxonomy and microevolution within species, were investigated using Random Amplified Polymorphic DNA , mtDNA sequence analysis and population genetic analysis.

中文题名柞蚕种质资源的分子系统学研究副题名外文题名 Molecular systematics on germplasm resources of Antheraea pernyi 论文作者刘彦群导师鲁成向仲怀学科专业特种经济动物饲养学研究领域\研究方向蚕的生物技术与遗传育种学位级别博士学位授予单位西南农业大学学位授予日期2003 论文页码总数143页关键词蚕种质资源柞蚕馆藏号BSLW /2003 /S885 /1 柞蚕业是我国的一项传统产业，在现代国民经济中仍然具有资源配置、经济和生态的合理性，有着广阔的发展前景。

In this study the maize transposable element Activator was introduced into Nicotiana tabacum L cultivar Nc89 and its haploid.

本研究把玉米转座因子Ac分别转化烟草二倍体和单倍体，研究Ac在这两种细胞中的转座行为。

N absorption and utilization efficiencies of summer maize were affected by type of N fertilizers. NUE and NUPE in CU and CF treatments were higher than those in U treatments. NHI in U treatments was generally higher, but the effects of cultivar, year and N rate were all significant.

氮肥类型影响夏玉米氮素吸收与利用效率，NUE、NUPE以包膜尿素和复合肥处理较大，而NPE和NUTE以尿素处理较高，但差异不达显著水平；NHI一般以尿素处理较高，其差异显著性存在品种间、年际间及施氮水平间差异。

Since 1980s', however, with the change of rice cultivar and adding of more manure into the paddyfield, false smut has become worse and worse as an important factor to influence greatly on the yield and quality of rice in some places.

但从上世纪80年代以后，随着水稻品种的改变及稻田肥力的增加，稻曲病的发生日益严重，在一些地区已成为影响水稻产量和质量的重要因素。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。