1.
Studies on Utilization of F_2 Hybrid Vigor in Cotton (G.hirsutum);
棉花杂种F_2代优势利用价值的研究
2.
Choice of Distant Hybridization Parents for F_2 of Populus L.
杨树F_2代派间远缘杂交亲本选择
3.
Study on Cutting Orchard Management of Slash Pine×Caribbean Pine F_2 Hybirds
湿加松F_2代采穗圃修剪促萌试验
4.
Identification of QTLs for Important Quantitative Traits in Rice Clonally Propagated F_2 Population;
水稻F_2代无性系群体重要数量性状的QTL定位
5.
Study on Photosynthesis and Water Use Efficiency in F_2 Hybrids of Ryegrass
黑麦草杂交F_2代光合及水分利用效率研究
6.
Life History and the Toxicity Sensitivity in Sediment of the Benthic Amphipod Grandidierella Japonica (Second Generation);
日本大螯蜚F_2代生活史及沉积物毒理敏感性研究
7.
The Study on the Heterosis and the Correlation in the F_2 Generation of the Main Parents CN18 and CN19;
小麦骨干亲本川农18和川农19的F_2代杂种优势及其相关性分析
8.
Parasitic Fitness and Genetic Diversity in Sexual Hybridization F_2 of Setosphaeria Turcica;
玉米大斑病菌F_2代菌株的寄生适合度变异与遗传多态性
9.
AFLP analysis of F_2 family generated by directional mating between wild Portunus trituberculatus from Laizhou Bay and Zhoushan Island
三疣梭子蟹莱州湾、舟山野生个体定向交配产生F_2代家系的AFLP分析
10.
Correlation and Path Analysis on Main Economic Characters in F_2 Generation of Upland Fine-fiber Cotton
陆地型长绒棉新种质F_2代主要经济性状相关及通径分析
11.
Path-coefficient Analysis of Quality Traits with Agronomic Characters of F_2 Generation in High Oil Soybean
高油大豆杂交F_2代品质性状与农艺性状的通径分析
12.
The Major Salt-relative Gene Located by SSR Markers in Salt-tolerance Introgression F_2 Population of Shanrong No.3 with Jinan 17;
小麦F_2代群体（山融3号×济南17）的盐胁迫相关主效基因的SSR标记定位
13.
Study on the Heterosis and Genetic Relationship of Quality Characters and Yield in F_1 and F_2 in Winter Wheat;
冬小麦F_1、F_2代主要品质性状和产量性状杂种优势的关系及其遗传分析
14.
Analysis of Broad Heritability and Principal Component Yield Traits of F_2 lines of Fine Lines Cross of Kosteletzkya virginica;
海滨锦葵优良单系杂交F_2代产量性状的广义遗传力及其主成分分析
15.
Selection of the F_2 Recombinant Plants in Five Chromosomal Segment Substitution Lines and the Selection and Cloning of the Herbicide HW-02 Resistant Gene
5个家系F_2代重组单株的筛选及除草剂HW-02抗性基因的筛选与克隆
16.
Segregation Analysis of Plant Height of Plant Height Mutants in the F_2 Generation of the Japonica Rice
粳稻不同株高突变体F_2世代株高分离分析
17.
A Study on Genetic Relationships of Anti-disease Grass F_7(83-2 strain F_2) with Cyprinus carpio red and Ctenopharyngoden idella by RAPD
用RAPD技术探讨抗病草鱼F_7(83-2系鱼F_2)与原代双亲的亲缘关系
18.
The Quality Control of N-n-butyl Haloperidol Iodide (F_2) and Pharmacokinetics of F_2 in Rabbits;
碘化N-正丁基氟哌啶醇（F_2）的质量控制及在兔体内的药代动力学研究