本研究还证明了禾本科植物的浆片和双子叶植物中花瓣是同源器官的观点。
Our findings corroborate the view that the lodicules of grasses are homologous to eudicot petals.
根据分子数据结合形态上近裔共性,若干分支的单系性得到支持,这些分支包括真双子叶植物、蔷薇分支和菊分支等。
Several monophyletic clades of seed plants, namely eudicots, rosids, and asterids, were supported by molecular data with their united morphological synapomorphies.
一次加倍发生在2亿年前,即单子叶和双子叶植物出现之前。
One duplication occurred 200 million years ago, just before monocots and eudicots arose.
双子叶植物典型的营养叶由两个主要部分组成:叶片和叶柄。
A typical foliage leaf of a plant belonging to the dicotyledons is composed of two principal parts: blade and petiole.
本文系统地介绍了双子叶植物叶结构分类术语。这不仅有利于术语规范化,而且有利于国内外同行交流。
The terminology of classification of dicotyledonous leaf architecture is introduced in Chinese version. It is very useful for the standardization of terminology and academic communication.
双子叶植物中保留着一系列的束。
花药壁发育类型为双子叶型。
The development of the anther wall belonged to a dicotyledonous type.
除了棕榈树,所有的树都是双子叶植物。
细脉的网状式样是双子叶植物的主要特征。
The reticulate pattern of minor veins is characteristic of most dicotyledonous plants.
大豆根次生生长的类型和多数双子叶植物相似。
The pattern of the secondary growth of the soybean root is similar to that of most dicots.
双子叶植物在演化的早期阶段就已分化为两大支派。
The dicotyledons diverged at an early stage of their evolution into two main groups.
对双子叶杂草的活性明显优于对单子叶杂草的活性。
The herbicidal activity on dicotyledon weeds is better than on monocotyledon weeds.
温室生测结果表明,对单双子叶杂草均具有高的活性。
The greenhouse results showed that it is excellent herbicide both to monocot and dicot weeds.
被子植物中单子叶植物475种,双子叶植物567种。
In angiosperms there are 475 species of monocotyledon and 567 species of dicotyledon.
本发明所提供的微胶囊剂,可广泛用于双子叶作物田中防除单子叶杂草。
The microcapsule can be widely used for preventing and controlling monocotyledonous weeds in dicotyledon crop field.
其异极3沟或6沟型花粉与真双子叶植物的3沟花粉的相似是趋同演化的结果。
The similarity of its heteropolar 3- or 6-aperturate pollen to the 3-aperturate pollen of Eudicots might result from convergent evolution.
目前已从31种双子叶植物和6种单子叶植物中克隆到83个蔗糖转运蛋白基因。
Until now, 83 sucrose transporter genes have been cloned in 31 dicotyledons and 6 monocotyledons.
此外,本研究还证明了前人禾本科植物的浆片和双子叶植物中花瓣是同源器官的观点。
Moreover, our findings corroborate the view that the lodicules of grasses are homologous to eudicot petals.
细脉和其它的细脉联合形成一个连续的网络。细脉的网状式样是双子叶植物的主要特征。
The minor veins join with other minor veins, forming a conspicuous network. The reticulate pattern of minor veins is characteristic of most dicotyledonous plants.
对款冬营养器官解剖结构研究表明:根为典型的双子叶植物根的结构,初生木质部四原型;
The anatomical structure of Tussilago farfara L. vegetative organs showed that its structure of root is a typical structure of dicotyledonea. Its primary xylem is quadriarch ones.
根据对双子叶模式植物拟南芥、金鱼草和矮牵牛遗传突变体的研究,提出了花发育的ABCDE模型。
Studies on several floral homeotic mutants in dicots, mainly in Arabidopsis, Snapdragan and Petunia, established the ABCDE model for the determination of floral organ identities.
该虫寄主涉及到蕨类植物、裸子植物、双子叶植物、单子叶植物,共计109科389种(包括变种)。
The host plants of this insect include 389 species (varieties) in 109 families, and are composed of ferns plants, gymnospermae, dicotyledons and monocot crops.
尽管有例外的情况出现,我们通常还是根据子叶的数目为一片还是两片而把植物分成单子叶植物和双子叶植物。
Monocotyledons and dicotyledons are so termed because they normally conatin one and two cotyledons respectively although there are exceptions.
这些结果说明SOS耐盐通路在谷类作物中也存在,同时也说明双子叶植物和单子叶植物中SOS蛋白结构是高度保守的。
These results demonstrate that the SOS salt tolerance pathway operates in cereals and evidences a high degree of structural conservation among the SOS proteins from dicots and monocots.
飞蝗嗜食寄主为禾本科、莎草科植物,双子叶植物可以成为飞蝗的临时寄主,但对飞蝗的发育、繁殖及后代均有明显的不利影响;
The Gramineae and Cyperaceae were Locustae's main host. The Dicotyledon could be temporary host, however , it was bad for Locustae to grow up, breed and so on.
该基因编码一个含有211个氨基酸的多肽,属于水稻WRKY基因家族中可能起源于单子叶植物和双子叶植物分化后的一个亚家族。
This gene encodes a polypeptide of 211 amino-acid residues and belongs to a subgroup of the rice WRKY gene family that probably originated after the divergence of monocot and dicot plants.
根据分子数据结合形态上近裔共性,若干分支的单系性得到支持,这些分支包括真双子叶植物、核心真双子叶植物、蔷薇分支和菊分支等。
Several monophyletic clades of seed plants, namely eudicots, core eudicots, rosids, and asterids, were supported by molecular data with their united morphological synapomorphies.
本发明悬乳剂提高了防效,扩大了乙草胺和阿灭净的防治谱,对玉米田禾本科,双子叶,莎草科杂草的总防效达86%以上,而且对玉米,大豆等作物使用安全性好。
The total effective rate against corn field grass family, dicotyledon, cyperaceae weeds can be higher than 86, and it is safe to corn and soybean crops.
本发明悬乳剂提高了防效,扩大了乙草胺和阿灭净的防治谱,对玉米田禾本科,双子叶,莎草科杂草的总防效达86%以上,而且对玉米,大豆等作物使用安全性好。
The total effective rate against corn field grass family, dicotyledon, cyperaceae weeds can be higher than 86, and it is safe to corn and soybean crops.
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