远缘杂交
- distant hybridization;wide crosses
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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 .
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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 .
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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
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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
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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
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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
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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
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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
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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
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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 .
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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 .
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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 .
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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 .
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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 .
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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
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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
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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
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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
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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
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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
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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
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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 .
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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
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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
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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
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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
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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
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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
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百合远缘杂交育种研究现状
Advances in the Research of Hybridization Between Distantly Related Species of Lilium
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远缘杂交的分子基础&DNA原位杂交
Molecular basis of remote hybridization & dna hybridization in situ