结论根据聚类结果，玫瑰品种类型的划分应首先考虑亲本来源，再按株型、花型划分。
ConclusionBased on the result of cluster analysis, the species origin should be considered firstly in the classification of Rosa rugosa, then the plant type and the flower type.
在这些情况下，亲本细胞即使不在表现型上至少也在基因型上有区别。
In these cases, the parental cells differ at least with respect to genotype if not phenotype as well.
建选17号97.44%的遗传信息分别来自不同的亲本基因型，并发生了部分遗传变异；
Most genetic information(97.44%)of Jianxuan No. 17 came from its three parents, and few came from genetic variation.
GS豫豆8号是用系谱法从郑74046品系与尖叶桥梁亲本自然杂交株的杂种后代中选育成的窄叶型大豆新品种。
GS Yudou 8 is a narrow-leafed soybean variety derived from the natural hybrid of Zheng 74046 line and a tip soybean parent material (paternal) with a pedigree selection method.
单核原生质体再生菌丝的菌落形态、菌丝生长速度和营养缺陷型标记等性状均稳定地保持了亲本的特性。
The characters of parents, such as morphology of colony, growth rate of mycelium and auxotroph, were maintained in protoplasted monokaryon.
对三个粳型杂交水稻亲本皖恢9号、当选晚2号A和80—4A进行了分期播种试验和开花习性观察。
The Biological characteristics of three parents (Wanhui 9, Dangxuanwan 2A and 80—4A)of japonica hybrid rice were studied with sowing by different seasons in the field.
育种学家必须是一个多面手，要善于发现和利用关键的基因及创造新的基因型，亲本选配和后代选育是关键艺术。
Breeder must be a specialist in discovering and utilizing key genes and creating new genotypes. Selecting and crossing parents and selecting good offspring are the key art in the breeding program.
结果表明，以中间型小偃麦与小簇麦作为桥梁亲本获得三属杂种的结实率较高，平均为20．5％。
In this paper the cross fertilities of hybrids was mainly studied. The results showed that the mean seed setting of Trigeneric hybrids was 20. 5%.
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.
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.
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