这种优势可依亲本的抗性进行预测。
This heterosis could be predicted by the resistance of their parents.
后代象亲本的一方或另一方。
在育种工作中应注意早熟亲本的选择。
Attention should be paid to selections of early parents in breeding work.
后代象亲本的一方或另一方。
感病亲本的基因组成为RRSSII。
结果表明，各性状的变异因亲本的不同有明显差异。
Results shown that there were significant difference in variability of every character in progeny of different parents.
这样做的效果好于选择随机亲本并保持对哪些已经是亲本的追踪。
This works better than selecting random parents and keeping track of who has been a parent already.
亲本的遗传品质比起混合选择来，能判断得更加确切。
The genetic quality of the parents can be judged with much greater certainty than in mass selection.
本文介绍T优8086亲本的特征特性及其组合的制种技术要点。
This article introduces characteristics of the parents and seed production technique of T8086.
对于用作授粉亲本的一些无性系的选择，不得不采用一种折衷办法。
A compromise has to be made as to the choice of clones to be used as pollen parents.
同样，利用分析框架也可处理育种目标的制定和亲本的选配等问题。
Also, some problems such as drawing up breeding objectives and selecting parents could be treated with the analysis frame.
我应该提醒您，基于亲本的适合度，亲本种群包含有对亲本的多个引用。
I should remind you that the parent population contains multiple references to parents based on their fitness.
结果表明，经20代以上的回交，除目的基因外，均为轮回亲本的遗传组成。
The result indicated that the genetic construction of congenic inbred strains was similar with the parents through more than the 20th generation back cross mating except for destination gene.
然而，由于较低的价格，高清2900名亲本的性能差异可能将再次进行审议。
However, due to the lower price of HD 2900 Pro the performance difference could be reexamined.
通过对优质、高产亲本的收集及选配等育种途径，可同时提高优质稻的产量和品质。
Through the selection and breeding of rice parents with high yield and good quality, etc, it would be able to increase the yield and quality of good quality rice.
利用SSR标记技术，对5个鲜食玉米新品种及其亲本的DNA指纹图谱进行了研究。
Using SSR-PCR molecular technique, the DNA fingerprinting of 5 new fresh-eating maize hybrids and their parents were analyzed.
综述了果树主要经济性状的遗传特点，以期为果树杂交育种中亲本的选配提供理论依据。
Genetic characteristics of several major economic characters in fruit trees which can provide theory basis for selection of parents in plant crossbreeding are discussed.
同时也指出了要提高亲本选配水平，必须在杂交亲本的开花、计算机应用和基础研究上努力。
It was also pointed out the key work on the research, such as the crossing parents in the stage of flowering, computer ap-plication and basic research, to upgrade the level of parental selection.
本文通过对杂交狼尾草亲本的不同播种期试验对比，提出了杂交狼尾草亲本的最佳播种时间；
In this thesis, Based on the comparison of different sowing date of parents in Pennisetum americanum x P. purpureu, to present the best sowing time for parents in Pennisetum americanum x P. purpureu.
张小明、石春海、吴建国、鲍根良、叶胜海和富田桂，杂交稻米必需氨基酸含量与亲本的关系。
Zhang X. M. , C. H. Shi, J. G. Wu, G. L. Bao, S. H. Ye, T. Katsura, The relationship between essential amino acid contents of hybridized combinations and their parents.
以香菇菌株精选和武香作为亲本制备单核原生质体，将两个亲本的单核原生质体进行一一杂交。
Protoplasted monokapyon(PM) were prepared from Lentinus edodes strains Jingxuan and Wuxiang, respectively, intercross process were put in practice.
研究进一步证明人工复合三倍体鲤与二倍体亲本的染色体倍性和相对dna含量存在着明显的相关性。
Therefore, we have proved that there is a close correlation between the artificial multiple triploid carp and its diploid parents in both chromosomal Numbers and relative DNA contents.
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.
苞叶的几个农艺性状主要受加性基因效应的控制，因此通过亲本的选择改良可以有效地改良其苞叶农艺性状。
The five agronomical traits of husk are controlled by the additive inheritance effect, so they could be improved by selection of parents in maize breeding.
研究了人工授粉条件下6个遗传背景差异较大、纯合度高的陆地棉亲本的异交亲合力及杂交铃主要性状差异。
With 6 different genetic background and high pure upland cotton lines as female parents, the variation of allogamous affinity and main traits of hybrid boll were analyzed under assisted pollination.
杂交稻制种亲本的生理差异的比较研究发现，过氧化物酶、过氧化氢酶活性在不同湿度下受温度的影响不同。
The physiological differences of parental plants were studied. Activities of enzymes (POX and CAT) were differently influenced by temperature under different humidity.
因此在耐热育种中单纯利用杂交优势试图获得超亲优势来显著提高耐热性是不现实的，而应该注重耐热亲本的定向选择。
So it is not practical to improve the heat resistance significantly in breeding by heterosis, but it is supposed to select the heat tolerant parent in breeding.
该法能对两类配合力进行显著性检验，能对各亲本的一般配合力间的差异和各组合特殊配合力间的差异进行显著性检验。
The estimations of GCA and SCA with this method were unbiased. The significance tests of GCA and SCA and differences between GCAs and SCAs were presented in this method.
选用分布于水稻12条染色体上的40对SSR引物对6个杂交水稻组合及其亲本的幼苗进行了SSR等位基因多态性分析。
SSR allele polymorphism of 6 hybrids and their parents was studied by analysing 40 SSR loci distributing on 12 chromosomes in rice.
在产量较低的组合中，也至少有一个亲本的一般配合力较低，相应的特殊配合力也较低，但特殊配合力与产量的高低并不存在一一对应关系。
The results showed that general combining abilities of not less than one of parents are high in high-yield cross combinations, and their special combining abilities are generally high.
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