为四倍体大燕麦和六倍体裸燕麦杂交提供了细胞胚胎学证据。
Cytoembryological evidence was provided for crosses between Avena magna and Avena nuda.
它们是复杂的多倍体，其中一部分是四倍体，一部分是六倍体。
They are complex polyploids, being partly tetraploid and partly hexaploid.
节节麦是六倍体普通小麦的祖先种之一，D染色体组的供体种；
Aegilops tauschii is D genome donor of common wheat, and the useful genes of Ae.
然而，在自然条件下六倍体小麦中则无全糯质小麦存在，需要人工创造。
However, there is no complete waxy mutant in hexaploid wheat under the natural condition and it need to be produced artificially.
首次对中国特有小麦与其他不同类型六倍体小麦之间的遗传差异进行了系统分析。
The genetic diversity between Chinese endemic wheat landraces and other populations of hexaploid wheat was systematically analyzed. As compared with t.
同时，十二倍体较六倍体的叶绿体数目明显增多，叶绿素含量提高，但气孔密度减小。
The number of chloroplast and chlorophyll content in the dodecaploid are more than hexaploid, stomatal density are lower than hexaploid.
结果表明，小麦异源六倍体物种形成诱发迅速且广泛的基因组遗传变异和表观遗传变异。
The result indicated that speciation ofallopolyploid wheat induced rapid and extensive genetic and epigenetic changes in thegenome.
采用延迟授粉和胚胎学显微观察的方法，研究了黑麦和六倍体小黑麦花粉诱导小麦孤雌生殖的假受精特性。
The study on pseudogamy property of wheat parthenogenesis is conducted by means of delaying pollination and observing embryo sac with microscope.
用已育成的显性雄性不育六倍体小黑麦为母本分别与硬粒小麦、二粒小麦及黑麦杂交，并每代选不育株用原父本回交。
The male-sterile plants from the crosses between dominant male-sterile hexaploid triticale and durum wheat as well as bearded wheat were backcrossed many times with the same male parents.
小麦与六倍体燕麦杂交其F1杂种植株体细胞染色体不完全排除，表明可以将燕麦优良基因导入小麦，以拓宽小麦的种质资源。
The somatic cell chromosomes in F1 hybrid plants indicated that good genes of oats can be introduced into the bread wheat to enrich the germ plasm resources of the wheat.
在总氨基酸含量、必需氨基酸含量和使贝类具有鲜味和甘味的六种氨基酸含量方面，西施舌三倍体均高于二倍体养殖群体。
When cultured for 119 days, the nutritive contents of Coelomactra antiquata, including protein. crude fat and amino acid. had been studied in diploid. triploid and wild population.
在总氨基酸含量、必需氨基酸含量和使贝类具有鲜味和甘味的六种氨基酸含量方面，西施舌三倍体均高于二倍体养殖群体。
When cultured for 119 days, the nutritive contents of Coelomactra antiquata, including protein. crude fat and amino acid. had been studied in diploid. triploid and wild population.
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