heterosis
n. [遗] 杂种优势
2026-04-13 09:38 浏览次数 42
n. [遗] 杂种优势
1. the marked vigor or capacity for growth often exhibited by crossbred animals or plants — called also hybrid vigor
2. a marked vigor or capacity for growth that is often shown by crossbred animals or plants — called also hybrid vigor
relative heterosis相对优势
mean heterosis平均优势
Heterosis ecotype杂种优势生态型
hetarosis杂种优势
mitochondrial heterosis线粒体杂种优势
Heterosis performance优势表现
crop heterosis作物杂种优势
heterosis prediction杂种优势预测
hybrid vigour杂种优势
heterosis effect杂种优势效应
the efforts for exploring the mechanism of heterosis have lasted for nearly one century. however, many aspects remain unknown.
对杂种优势机理的研究已将近一个世纪,然而在许多方面仍是一个谜。
the presented method can be used to measure synthetic heterosis of multi-character of other kind of cross experiments.
本文所提出的方法也可用于测定其它类型杂交试验多性状综合杂种优势。
maize was one of the most important food and feed crops with important economic significance, and the utilization of maize heterosis was one of the most successful examples in crops.
玉米是主要的粮食和饲料作物,经济地位十分重要,玉米杂种优势的利用是农作物杂种优势利用最成功的例证之一。
there are two ways in utilization of heterosis in rapeseed .
油菜杂种优势利用途径主要有三系法和两系法。
advance in prediction technology will promote the utilization of cotton heterosis from personal experience to popular science.
预测方法的进步,将使棉花杂种优势利用真正由经验上升为科学。
the epistatic effects could not be ignored in tobacco breeding. they were one of main causes of heterosis for most characters.
互作效应普遍存在,是烟草性状杂种优势表现的主要原因之一。
in this paper. the research results, the situation and the main problems of the heterosis utilization in wheat and barley have been analysed.
本文综合了小麦、大麦杂种优势利用研究的成果,分析了现状及存在的主要问题。
exploitation of heterosis is one of the major example of genetics that could increase the yield of crops, save the land, have made the significant contribution to the world.
杂种优势利用可以提高作物产量,节约土地资源,并创造了巨大的经济和社会效益,是遗传学应用于实践最成功的范例之一。
in physiological mechanism, the heterosis of membrane permeability, enzyme system and chlorophyll content was higher.
在生理特性方面,细胞膜透性、酶系统及叶绿素含量的杂种优势较强;
the differences of esterase between parents can reflect heterosis level of hybrid in a certain degree.
双亲酯酶同工酶的差异在一定程度上能反映杂种优势的大小。
utilization of heterosis is one of important and useful ways to promote crop output and quality.
杂种优势的利用是提高作物产量和品质的有效途径之一。
however, guang a has disadvantages as well as advantages in the utilization of heterosis because of its low lint percentage in parent propagation and hybrid seed production.
但因光a纯合态的低衣分,其亲本繁殖和杂交制种时皮棉产量降低,故光a不育系在杂种优势中的利用有优势又有劣势。
the research progresses on the relationship between the genetic differential expression, dna methylation, genetic population and heterosis of maize were summarized.
综述了玉米基因的差异表达、dna甲基化、遗传群体等与杂种优势之间的关系等方面的研究进展。
both endosperm heterosis and maternal heterosis existed in amylose content, gel consistency, alkali digestion value and grain weight.
直链淀粉含量、胶稠度、堿消值和粒重既具有胚乳杂种优势,又具有母体杂种优势;
heterosis and segregation on agronomic and yield traits in brassica napus l.
甘蓝型油菜主要农艺和产量性状的杂种优势及其分离世代的分析。
the heredity for all parental characters and the utilization of the parent in heterosis breeding were analysed on the basis of the value of gca effects and variance of sca effects.
根据一般配合力效应和特殊配合力方差,分析了各参试亲本的遗传特点及在杂种优势育种上的利用价值。
the analysis and evaluation of genetic diversity among crop inbred lines are the basis of heterosis breeding and cross breeding.
作物自交系间遗传差异的分析与评价是杂种优势育种和杂交育种成功的基础。
utilization and fixation of the distant heterosis in rice by one line method has been an exploratory work in rice breeding with great enticement and difficulty.
通过一系法利用和固定水稻的远缘杂种优势是一项具有极大诱惑力但难度颇大的科研难题。
the special position of yak in china and the utilization ways of its heterosis were expounded in this paper.
本文简述了我国牦牛业的特殊地位,阐明了牦牛杂种优势利用的几种途径。
both yield and quality of common maize grains are improved by crossing high oil maize as male parent and common maize as female parent due to maize heterosis and xenia.
本文利用高油玉米的花粉直感效应及与普通玉米杂交的杂种优势效应,通过高油玉米与普通玉米杂交改善普通玉米的产量和品质。