1.
F2 The second filial generation, obtained by crossing or selfing within the F1 generation.
子二代（杂种二代）：，通过子一代内部的杂交或自交获得。
2.
Mendel called the second generation the hybrid generation.
Mendel将第二代称为杂交代。
3.
Preliminary Study on Maize Heterosis Early Characters and the Early Sifting Characters of the Second Cycle Line;
玉米杂种优势早期表现及二环系早代筛选指标探讨
4.
They determined that F2 hybrids slightly outgrew the F1 hybrids.
他们认为杂种后F2代生长量稍大于F1代杂种。
5.
F1 The first filial generation; i.e. the first generation that results from a particular cross.
子一代（杂种一代）：杂交第一代，也就是一个特定杂交产生的第一代。
6.
Acquirement and Molecular Identification of Hybrids in Chinese Jujube (Ziziphus Jujuba Mill.)
枣树杂交后代的获得及杂种分子鉴定
7.
Initial Research about Apicultural Hybrid Vigor and Hybrid Strain Applying for Many Generations
蜜蜂杂种优势及杂交蜂种累代利用的初步研究
8.
Classificatiion of Heterotic Groups of Two-line Hybrid Wheat Parents;
二系杂交小麦亲本杂种优势群划分研究
9.
Study on Hybrid Seed Failure by 4x×2x and 2x×4x in False Pakchoi(Brassica parachinensis)
菜薹二倍体与四倍体间杂交的杂种不育性研究
10.
The Somaclone Establishment of Aegilops tauschii×Hordeum vuglare Hybrids , the Production and Cytogenetical Studies of its Amphidiploid and;
节节麦×大麦杂种无性系的建立、双二倍体的创制及其后代的细胞遗传学研究
11.
Segregations of Chromosome and Trait in Hybrid Generations Derived from Cross between Triticum aestivum and Amphidiploid of Aegilops ventricosa × Aegilops cylindrica
偏凸-柱穗山羊草双二倍体与普通小麦不同杂种世代的染色体及性状分离特点
12.
Study on Hybridization Technique of Dendranthema x Grandiflorum and Identification of Hybrid F_1;
菊花育种技术及其F_1代杂种鉴定
13.
IDENTIFICATION OF PEANUT HYBRIDS(Arachis hypogaea L.) USING SSR MARKERS
花生品种间杂种F_1代的SSR标记分析
14.
Comparison of Three-line-method and Two-line-method in Cross Breeding;
三系法与二系法杂交育种方法的比较
15.
Performance on Powdery Mildew Resistance of F_1 Generation in Hybrid Wheat
杂交小麦杂种一代白粉病抗性表现规律的研究
16.
Construction of identification technology program for peanut hybrid with SSR markers
花生杂交F_1代真假杂种SSR标记鉴定体系的建立
17.
Production and molecular identification of hybrids between Populus pseudo-simonii Kitag.and P.euphratica Oliv.
小青杨与胡杨杂交及其杂种后代分子鉴定
18.
Karyotype Analysis of Cymbidium hybridium×C. sinense, C. faberi and their Interspecific Hybrids
杂交兰×蕙兰种间杂交后代的核型特征分析