Genetic constitutions of distant hybridization offsprings between Oreochromis aurea(♀)×Siniperca chuatsi(♂);
奥利亚罗非鱼(♀)×鳜(♂)远缘杂交子代的遗传结构
Study on Selection and Breeding of Distant Hybridization Cotton Variety Shiyuan 321;
远缘杂交棉花品种石远321的选育研究
The Integrated Analysis on Distant Hybridization Cotton Variety Shiyuan321;
远缘杂交棉花新品种石远321的综合分析
Observation were made on the fertilization and embryo development in wide hybridization between Triticum aestivum L.
本文还报道了小麦与节节麦远缘杂交时雌雄性核的结合及杂种胚和胚乳的发育情况,探讨了小麦与节节麦杂交结实率低在胚胎学方面的原
Wide hybridization is a most widely used technique in crop breeding programs.
植物远缘杂交是作物育种中广泛应用的技术。
The wide hybridization was one of the important approaches to create new species.
远缘杂交是创造新物种的重要途径之一,通过远缘杂交的手段可以综合亲本种的适应性,创造出新的适应性,丰富基因库、拓宽生存环境,进而促进基因组进化和新物种形成。
Study on heterosis of protein content of distant crossing between maize inbred line and Zea.luxurians;
玉米自交系×大刍草远缘杂交蛋白质含量杂种优势研究初探
Analysis of high molecular weight glutenin subunit in offspring of distant crossing;
小麦远缘杂交后代的高分子量谷蛋白亚基分析
Tasseling and silking times,pollen-dispersing,plant heights,heights to ear position and tillers of the F_1,F_2 as well as the backcross progenies were investigated to study the genetic variations of agronomic traits in the progenies of distant crossing.
采用人工剥苞多次授粉方法,将近缘一年生二倍体类玉米(大刍草)与普通玉米自交系杂交,对F1、F2以及回交后代B 1的抽雄期、吐丝期、散粉期、株高、穗位高、分蘖进行调查研究,分析远缘杂交后代农艺性状的遗传变化。
Distant cross is an effective method creating new specses,new germplasm and transfering exogenous gene in biological bodies.
远缘杂交是创造生物新物种和新种质以及转移遗传物质的有效途径 ,在理论和实践上都有重要意义。
years successive observation on progenies of a distant cross of upland rice Han 65( Oryza sativa) ×Long\|awn\|barnyard\|grass( Echinochloa caudata), a summer dominant native grass showed that.
)为母本 ,稗草长芒稗 (Echinochloacaudata)为父本进行远缘杂交 ,获得实粒种子。
The breeding techniques on the wide cross of the Orchidaceae six genera,mainly six species of Cymbidiums were studied and four kinds of hybrid seedlings were fostered.
选择了兰科六个属的兰花为试材,并以兰属的六个种为重点进行远缘杂交育种技术研究,培育出了四个杂交种试管苗。
Investigations were carried out on the wide cross of Chinese orchids and the germination of their hybrid seeds using the orchids of Cymbidiums, Phalaenopsis and Oncidium as materials.
以兰属、文心兰属、蝴蝶兰属的兰花为材料 ,对中国兰花远缘杂交及其杂交种子的萌发进行了研究 ,结果表明 :(1)国兰类各种间杂交易成功 ,结果率在 80 %以上 ;(2 )墨兰和大花蕙兰杂交 ,结果率和杂交种子数量随品种和正反交不同而异 ;(3)兰属和其他属兰花杂交 ,结果率较低 ,且产生的杂交种子量很少 ;(4 )兰花杂交种子萌发形成的中间繁殖体的种类和数量 ,随杂交组合不同而不同 ,墨兰和大花蕙兰的杂交种子萌发后形成原球茎 ,其余组合产生根状茎 。
According to our many years wild hybriding practices and the special ecology climate condition of Guizhou,We hypothesized that interaction between ecological environment and glycoprotein induced wide cross fertility.
远缘杂交是创造新物种、新种质以及转移异源遗传物质的有效途径, 在理论和实践上都具有重要意义。
Stem callus cultures of wild Vitis quinquangularis and its distant hybrids 213, 741, 196, 296 and B2 were used to study the effects of various basal media (MS, 1/2MS and GS) supplemented with different proportions of growth regulators (6-BA 1.
1mg/L两组植物生长调节剂,对野生毛葡萄及其远缘杂交种后代213、741、196、296、B2 等6个品种(种类)进行茎段腋芽萌发离体培养试验。
According to observe and analyze of dioecism characteristic in Vitis quinquangularis Rehd and study on the development of male and female gametophytes, fertilization of Vitis quinquangularis Rehd and distant hybrids to fructification domino offect, prove up.
本论文通过对毛葡萄雌雄异株特性、毛葡萄及远缘杂交种大小孢子发生、雌雄配子体发育和传粉适应性对结实效应开展研究,从而探明毛葡萄及远缘杂交种有性生殖机理,找出毛葡萄座果率低的原因,为制订提高毛葡萄座果率的技术措施以及开展毛葡萄杂交育种提供理论依据和应用基础。
THE INTERSPECIFIC CROSSING OF MEI FLOWER AND COLD HARDINESS BREEDING
梅花远缘杂交与抗寒育种——(Ⅰ)梅开花授粉习性及远缘杂交的探讨
Study on Intergeneric Distant Hybridization between Prunus and Armeniaca and New Germplasm Creation;
李、杏属间远缘杂交及种质创新的研究
The Studies of Tobacco Germplasm by Distant Hybridization between Tobacco and Medicinal Plants;
药用植物与烟草科间远缘杂交的研究
Preliminary Studies on Intergeneric Hybridization in Asteraceae-Anthemideae-Chrysantheminae Tribe;
菊亚族部分属间远缘杂交的初步研究
Identification of Hybrid Offsprings between Wheat and Dasypyrum Villosum
簇毛麦—普通小麦远缘杂交后代的鉴定
Identification on Cross-subsection Hybridization of Tree Peony in Early Stage
牡丹亚组间远缘杂交后代的早期鉴定
Analysis of Seed Storage Proteins of Wheat Wide Hybridization Progenies
小麦远缘杂交后代种子贮藏蛋白分析
Analysis of Isozymes in Superiority Combination of Sweetpotato Distant Hybridization
甘薯远缘杂交强优势组合同工酶分析
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
Abnormalities of Hybrid Embryo Development in Plant Distance Hybridization and Countermeasures;
植物远缘杂交中杂种胚发育的异常现象及对策
A Preliminary Report on the Study of Distant Hybridization between Plum and Apricot and the Culture of Immature Hybrid Embryos
李、杏远缘杂交及杂种幼胚培养研究初报
Distant Cross-breeding in Tree Peony and Identification of Some Hybrids by AFLP;
牡丹远缘杂交及部分杂交后代的AFLP分子标记鉴定
Diapause and Voltinism of the Distant Crossing Progeny Between Antheraea yamamai and Antheraea polyphemus
天蚕与美洲野蚕远缘杂交后代的滞育性及化性
Fertility Restoration to Several Hybridization Descendants in Triticeae Grasses;
几种小麦族禾草远缘杂交后代育性恢复研究
Selections and Genetic Analyses of Hybrid Progenies between Brassica Napus, B.rapa, B.juncea and Orychophragmus Violaceus;
油菜与诸葛菜远缘杂交后代的选育及遗传分析
Prospects and Advanced Study on Distant-Crossing Hybrid in Cotton;
棉花远缘杂交育种研究现状及前景分析
Characterization and Evaluation of Germplasm from Interspecies Cross of Cotton (Gossypium);
棉花远缘杂交后代种质材料特异性鉴定与分析
The Breeding of Novel Tobacco Germplasm by Distant Hybridization between Tobacco and Medicinal Plants;
药用植物与烟草科间远缘杂交育种的研究