Research on embryo development of interspecific hybridization between cultivated flax and wild flax;
栽培亚麻×野生亚麻种间杂交胚胎发育的研究
Selection for new interspecific hybridization strains and germplasms of cotton;
棉花种间杂交新品系及新种质的育成
This paper studied germination of pollen grains , growth of pollen tubes,fertiliza-tion, development of hybrid embryos and endOsperm in interspecific crosses of genomesamongst G.
bickii)做父本,配成5个杂交组合,并以陆地棉自交作对照,比较研究棉属不同染色体组种间杂交的胚胎发育过程。
napus lines was created by using the method of interspecific cross between early mature B.
本文以青海大学农林科学院油菜研究中心,通过甘蓝型油菜(039、E144)与青藏高原白菜型油菜浩油11种间杂交获得的66个新型甘蓝型油菜品系为研究对象,主要进行以下几方面研究:(1)、考察新型甘蓝型油菜的农艺性状和品质性状与亲本的差异,并筛选出优质农艺性状或品质性状的品系。
The good genes from wild rice can be introduced into the cultivated rice cultivars through the interspecific cross between wild rice and cultivated rice so as to enhance the breeding and production level of the cultivated rice.
通过野生稻与栽培稻种间杂交,可以把野生稻的优异基因转移到栽培稻中,提高栽培稻的育种和生产水平。
The experimental materials were two interspecific hybrids F1(Zhong 86-44×YD1785, Zhong 156×3-66) with traits of completely male sterils between the cultivated rice (AA) and the distant wild species, O.
结果表明:(1)栽野杂种回交世代出现疯狂分离,药用野生稻遗传上存在较大异质性;(2)通过连续两次回交,结合胚拯救技术,可改变杂种野生性状,获得具有药用野生稻优良基因的中间材料,如75-2、79-1、79-11三个株系;(3)证实胚拯救技术在种间杂交转移药用野生稻有利基因中是一条行之有效的途径。
The results indicated that:it was easier to obtain interspecific hybrid between the same ploidy than between those different in ploidy; cross between D.
)7个野生种进行了正交设计的人工种间杂交试验,对各种间杂交结实率及杂种F1植株的形态变异进行了分析,研究结果表明:染色体倍性相同或相近的种间杂交结实率较高;毛华菊(D。
Study on interspecific crossing of Laminaria species;
海带属种间杂交育种的研究
The feasibility of the hybridization in four species of scallop and the early development of their offsprings;
扇贝种间杂交的可行性及幼体早期发育的初步研究
To utilize rapeseed male-sterile lines,increase the affinity of cruciferae hybridization and breed new vegetable species,the studies conducted the affinity experiments of hybridization, investigated the cytoplasm effection of hybridization,growth vigor,yield and main nourisgment elementsts of tender flower stelk.
本研究的主要目的是探索利用油菜雄性不育系,提高十字花科种间杂交亲和性,以培育新的蔬菜品种。
Studies on the crossing between Myrica rubra and M. nana and embryo culture in vitro of its hybrid F_1
杨梅种间杂交及杂种F_1的胚培养
Hardiness Resistance of Grape Progenies from Hybridization and Self-pollination
葡萄种间杂交和自交后代抗寒性分析
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
Study on the Interspecific Hybridization Compatibility of Prunus and Tissue Culture in Vitro of Crossbreeds;
李属种间杂交亲和性及杂种离体培养的研究
Studies of Interspecific Hybridization of Cultivated Jute Corchorus capsularis×C.olitorius
黄麻栽培种圆果种×长果种的种间杂交研究
A major barrier to interspecific hybridization is sterility in the F1 progeny.
种间杂交的主要障碍是F1代的不育性。
The Performance of Slash × Caribbean Pine F 1 Hybrids
湿地松×加勒比松种间杂交子代表现
Studies on Vegetative Superiority Utilization of Cruciferae Hybridization
十字花科种间杂交营养优势利用研究
Analysis on Hybrid Derivative Lines in Indica-Japonica Rice by SSR
水稻灿粳亚种间杂交衍生系的SSR分析
Interspecific Hybridization between Several Lilium Species
卷丹与亚洲百合和东方百合种间杂交
A Study on Aseptic Seed Germination of Interspecific Hybrid Between Cymbidium hybrida×C.sinense and C.faberi
杂交兰‘韩国桃花’×蕙兰种间杂交种子无菌萌发特征研究
Fraxinus Velutina Introduction and Interspecific Hybridization Breedings of Fraxinus
绒毛白蜡引种及白蜡属内种间杂交育种研究
The Interspecific Hybridization among Domesticated Species in Capsicum and the Cytogenetic Characterization of the Interspecific Hybrids;
辣椒属(Capsicum)栽培种种间杂交及其杂种的细胞遗传学研究
Developing Yellow-seeded Brassica Napus Through Interspecific Hybridization in Brassica and Studies on the Hybrids and Their Progenies;
芸薹属种间杂交合成甘蓝型黄籽油菜及杂交后代的研究
Embryo Culture and Plant Regeneration from Cotyledons in Interspecies Hybrids of Cherry
樱桃种间杂交种胚培养及子叶植株再生
Cone Variability and Crossability in P. Yunnanensis, P. Tabuliformis and P. Densata;
油松、云南松与高山松的种实变异和种间杂交
Research of Interspecific Cross and Gynogenesis in Several Kinds of Economic Sea Urchin;
几种经济海胆的种间杂交和雌核发育研究
Interspecific hybridization among raspberry cultivars,Rubus cratagifolius and Rubus parvifolius
树莓品种与牛叠肚及茅莓种间杂交研究