氮和磷均高效的亲本材料有7个。
There were 7 wheat parents whose N and P utilization efficiency were high.
无核紫和俄罗斯无核是部分无核品种的原始亲本材料之一；
Monukka and Russian Seedless are the seedless sources of some seedless varieties.
引进国外马铃薯资源，扩大亲本材料，可拓宽和丰富我国马铃薯种质资源。
The introduction of foreign potato resources can expand parent materials and enrich China's potato resources.
本品种是采用高科技生物技术选育的亲本材料配制的杂交种，综合性状更为突出。
This species is the high-tech biotechnology breeding of parent material to compound hybrid integrated trait more outstanding.
本文用多元分析法，对46个小麦亲本材料的6个数量性状进行了遗传距离的测定。
The genetic distance for 46 wheat parent materials with 6 quantitative characters is determined by using multivariate analysis.
对高产优质结合的方法、亲本材料的利用、加强组合选配及提高选择水平进行了探讨。
Had a discussion on the ways to connect high yield with good quality, utilization of parents, combination and assortative mating, and improve the selective level.
其中试验A选取的亲本材料主要来自于杉木的中心产区，主要生长性状经过了一般配合力测定，具有较高的遗传改良水平；
The parents of set A mainly from the center distribution areas were selected in growth traits and had a high genetically improved level.
牛耳朵和渣壳油菜的一般配合力效应较高，其杂交组合的特殊配合力效应值也最大，它们是两个含油率较理想的亲本材料。
Niuerdu and Zake cv. had higher GCA effect, their F1 hybrids also had maximum SCA. The two varieties are desirable parents for high oil content breeding.
我国近年来使用的293份常用亲本中，220份为自育品种（品系），约占75%，其中广州甘蔗糖业研究所及其下属场选育的材料约占自育亲本材料的56%。
Analysis on the 293 parental materials commonly used in recent years showed that 220 of them were home-bred clones (75%), of which 56% were produced by Guangzhou Sugarcane Industry Research Institute.
利用年均种植面积较大杂交种的亲本自交系共计74份材料，用改进的模型评价品质性状的遗传变异及相关分析。
The genetic variation and correlation of quality characters of 74 inbreed lines which were parents of elite hybridize varieties that were grew widely.
这些研究结果为黄淮麦区小麦品质改良的亲本选配及后代材料品质筛选提供理论指导和参考。
This study provided with scientific basis and direction for parents choice of breeding practice and quality choice of offspring material in wheats of Huanghuai region.
永久群体的竞争优势为负向，理论上此永久F 2群体不能在生产上直接利用来作为杂交亲本，但可以作为遗传群体的研究材料。
Permanent group competitive advantage was negative, so this immortalized F2 population could not be directly used theoretically in production, but it could be used as genetic group research materials.
籽粒蛋白质的积累速度快于亲本，且子代材料蛋白质绝对含量高于亲本。
The speed of seed protein accumulation of progenies is faster than of their parents, and their absolute content of protein is higher than of their parents.
以粳型杂交稻及其亲本和常规品种为材料 ，在不同生育时期对其根系生长和形态特征进行比较研究。
Root developing trends and morphological characters in different growth stages were studied with japonica hybrid rice combination and its retainer and restorer and conventional varieties.
分子标记在育种上的广泛应用为广大育种工作者了解育种材料的遗传背景、选择最佳亲本配制杂交组合提供了条件。
Molecular markers widely used in breeding could help breeders to obtain the information on the genetic variation of varieties, and to produce best hybrid with elite parents.
通过标记辅助选择获得的改良材料为三系杂交稻恢复系的培育提供了稻瘟病抗性亲本。
The improved lines can be used as candidate parental lines for rice breeding with blast resistance.
野生种与种质系间的相似系数为0 .388～ 0 .479，陆地棉亲本与种质系间相似系数为0 .6 36～ 0 .892 ，材料间的带型差异与相似系数是吻合的。
The similarity coefficients between wild species and its filial lines were 0.388~0.479, those similarity between upland cotton and germplasm lines were 0.636~0.892, vice verse.
以3个春小麦杂交组合的亲本及4个世代（F1、F2、F3、F4）为试验材料，对亲本、F1代及各分离世代个体的10个农艺性状的表现进行了分析。
10 agronomic traits of parents, F1, F2, F3 and F4 generations of 3 crosses in spring wheat were analyzed.
以3个春小麦杂交组合的亲本及4个世代（F1、F2、F3、F4）为试验材料，对亲本、F1代及各分离世代个体的10个农艺性状的表现进行了分析。
10 agronomic traits of parents, F1, F2, F3 and F4 generations of 3 crosses in spring wheat were analyzed.
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