远缘杂交

yuǎn yuán zá jiāo
  • distant hybridization;wide crosses
远缘杂交远缘杂交
远缘杂交[yuǎn yuán zá jiāo]
  1. 说明辐照外源DNA导入番茄技术效果好,重复性好,便于进行远缘杂交。

    All mentioned above shows that the method of introducing radiated exogenous DNA into tomato has desirable effect and repetition , which can be used to facilitate distant hybridization .

  2. 结果表明:利用花粉管通道直接导入外源DNA是改良黄瓜品种的有效技术,这一技术将在作物品种改良及远缘杂交方面起着非常重要的作用。

    The result of preliminary studies indicated that the method of directly introducing exogenous DNA into the cucumber through the pollen tube pathway is very valuable for improving cucumber characters , It is very important in improving the crop varieties and the distant hybridization .

  3. 小麦远缘杂交F1代自然结实的原因

    Reasons of Selfed Seed of F_1 Hybrids in Wheat Distant Hybridization

  4. 六倍体野生桑与二倍体栽培种远缘杂交F1代性比表现

    F_1 Sex Ratio Expression of Hexaploid Wild Mulberry × Diploid Cultivated Mulberry

  5. 桑树远缘杂交F1代植物学性状的表现分析

    Botanical Characters Expression of Distant Hybrid F_1 in Mulberry

  6. 远缘杂交的分子基础&通过远缘杂交后高粱DNA序列确实重组入水稻

    MOLECULAR BASIS OF REMOTE HYBRIDIZATION & True Recombination of Sorghum DNA Sequences with Rice Genomes during Remote Hybridization

  7. 利用F2群体估计远缘杂交中不育基因的位置和效应的最大似然法

    A maximum likelihood method for estimating the position and effect of sterility genes in remote hybridization of plant using an F_2 population

  8. 山羊草(Aegilops)物种作母本与小麦远缘杂交的评价

    Evaluating wide crosses between Aegilops species as female and common wheat

  9. 提莫菲维小麦与二倍体野燕麦远缘杂交后代的SRAP分析

    Analysis of the Progenies from Wide Crosses T.timopheevi and Diploid Wild Oat Using SRAP Technique

  10. 本文阐述了小麦远缘杂交F1代自然结实的原因:一是形成未减数配子,产生双二倍体;

    This paper summarized the reason of selfed seed of F 1 hybrids in wheat distant hybridization . One formed unreduced gametes and produced amphidiploids .

  11. 远缘杂交F1代花粉活力较低,平均花粉活力为11.3%,仅占亲本有活力花粉的10%左右。

    Interspecific hybridization F1 pollen energy were low and average pollen vigor for 11.3 % , there were only 10 % of the vigor pollen of parents .

  12. 大葱、洋葱远缘杂交F1代不同生长期内,假茎/鳞茎中主要营养物质含量及变化趋势与亲本存在差别。

    Welsh onion and onion interspecific hybridization F1 plants in different growth period , cauloid / bulb in the main nutrient content and trend were different with their parents .

  13. 植物远缘杂交可以引起广泛的表观遗传变异,如:基因沉默、核仁显性、转座子激活、DNA甲基化变异等,而DNA甲基化尤其是胞嘧啶甲基化是表观遗传的主要调控机制之一。

    Distant hybridization of plants can cause a wide range of apparent genetic variability , such as : gene silencing , nucleolar dominance , transposon activation , DNA methylation variations and so on , and DNA methylation , in particular cytosine methylation is one of the main epigenetic control mechanisms .

  14. 通过萝卜远缘杂交创建不育源,再经过回交转育而选育出异源胞质不育系034A。

    Alloplasmic male sterile line034A was breeded by using method of distant hybridization and backcross .

  15. 硬粒小麦与珍珠栗远缘杂交的受精作用和胚胎发育

    Fertilization and embryo development in hybridization between wheat and pearl millet

  16. 小麦与玉米远缘杂交诱导小麦单倍体的研究

    Induction Of Wheat Haploid Through Distant Hybridization Between Wheat And Maize

  17. 植物远缘杂交及其在瓜类蔬菜育种中的应用

    Plant Wide Cross and Its Application on Breeding of Melon Genus

  18. 幼叶组织培养在小麦远缘杂交育种中的意义

    The Tissue Culture of Young Leaves for Wheat Distant Cross Breeding

  19. 观赏植物远缘杂交和多倍体育种研究进展

    Research Progress of Distant Hybridization and Polyploid Breeding of Ornamental Plants

  20. 玉米与二倍体多年生大刍草远缘杂交选育玉米杂交种的研究

    Hybrid Selection from Distant Hybridization of Maize and Diploid perennial Teosinte

  21. 花生亲和种远缘杂交育种研究从落花生到花生

    Distant Hybridization between Cultivated Peanut and Cross-compatible Wild Species in Arachis

  22. 对菊属不同种植物进行远缘杂交与胚拯救,研究幼胚发育途径。

    Embryo rescue of hybrid Chrysanthemum was studied in this paper .

  23. 半浸根法加倍小麦远缘杂交幼胚再生植株染色体

    Chromosome Doubling Methods of Immature Embryo Plants of Wheat Distant Hybridization

  24. 水稻与高粱属间远缘杂交花粉管行为观察

    Pollen Tube Behaviour of Interspecies Hybridization between Rice and Sorghum Observation

  25. 利用远缘杂交创造核果类果树新种质的研究

    Employing distant hybridization to create new germplasm of stone fruit trees

  26. 辐射对果树花粉发芽率及远缘杂交亲和性的影响

    Effect of radiation on fruit pollen germination and Distant Hybridization Compatibility

  27. 酶的基因剂量效应及其对鱼类远缘杂交的影响

    Effect of enzymic gene dosage on the distant hybridization of fishes

  28. 甘薯与木薯远缘杂交后代的同工酶研究

    Studies on the Isozymes of the Progenies of Sweet Potato X Cassava

  29. 百合远缘杂交育种研究现状

    Advances in the Research of Hybridization Between Distantly Related Species of Lilium

  30. 远缘杂交的分子基础&DNA原位杂交

    Molecular basis of remote hybridization & dna hybridization in situ