Vacuolation in the ground meristem of torpedo-stage embryo began the process of histodifferentiation.

魚雷形胚基本分生組織中液泡的出現(xiàn)開始了組織分化的過程日韩人人操人人摸。

There were some important discovery in structure character as the follows: in sarcotesta that materials making experiment, all possessed the structure of bandshape and like primary thickening meristem; sarcotesta possessed amphivasal vascular bundle and the vascular bundle that xylem distribute in two sied of phloem on inside and outside were discovered; new structure patterns of root that possessed more plentiful secondary cortex etc.

其中免费看操网站，發(fā)現(xiàn)外種皮中均具明顯的似初生增厚分生組織的帶狀結(jié)構(gòu)国产三级视频在线；且發(fā)現(xiàn)在外種皮的組織中具有雙木維管束及周木維管束国产精品特黄特级AAAAAA片，發(fā)現(xiàn)了蘇鐵科植物根具較豐富的次生皮層等新的結(jié)構(gòu)形式美女羞羞高潮视频免费首页；在對比材料鱗秕澤米鐵的羽片中發(fā)現(xiàn)了導(dǎo)管亚洲一级片综合视频，這些在蘇鐵植物方面過去均未見有報道。

WOX3 specifies the cell fate at the margins of cotyledonary primordia and regulates the rate of cell division in the margins of meristem in Arabidopsis.

阿拉伯芥的PRS/WOX3基因參與子葉原基邊緣細胞專一性的決定中国激情视频网，及調(diào)控分生組織邊緣細胞分裂的速度激情欧美性色日韩。

Calyptogen A layer of meristematic cells covering the root apical meristem in some plants(e.g. grasses) that gives rise to and maintains the root cap.

根冠原：在一些植物中覆蓋根頂端分生組織的一層具有分生能力的細胞，根冠原可以產(chǎn)生和維持根冠国产饥渴一区在线。

The results showed that OsMADS8/7 transcripts are first detected in branching primordia, then in spikelet meristem primordia.

我們以O(shè)sMADS8基因為切入點天天爱天天做久久狠狠，利用組織原位雜交，RNAi技術(shù)對水稻中的E類基因進行了深入的研究欧美A片在线中文字幕。

In the plant vegetative growth, leaf primordia arise from groups of initial cells within the peripheral zone of the shoot apical meristem.

葉是植物進行光合作用的器官美女被cao出水免费观看网站。為了適應(yīng)自然環(huán)境，植物葉在漫長的進化過程中發(fā)展成今天這樣的千姿百態(tài)欧美一级高清片。

In osmads34, however, the main-axis meristem produced about 17 branch primordia, and the spikelet number in one panicle was reduced to 133, suggesting OsMADS34 is critical for controlling the inflorescence development in rice.

但在osmads34突變體中激情小说图片自拍，主軸分生組織產(chǎn)生17個分支原基。同時欧洲性生活无码在线，突變體的小穗數(shù)目卻從野生型水稻的194朵減少到133朵干8网址。

The results show that the secretory ducts are schizogenous cavity which are only distributed in the stem and the leaf.The initial of the secretory duct drives from the ground meristem.

結(jié)果表明，分泌道為裂生腔隙亚洲国产福利精品，只分布于莖和葉中91三级毛片在线观看不卡无风险；分泌道原始細胞起源于基本分生組織；分泌道原始細胞團裂隙的擴大靠鞘細胞的插入和上皮細胞自身的切向伸長又黄又大又粗的视频；成熟的分泌道呈圓形或橢圓形无码粉嫩小泬无套在线观看免费，由一層上皮細胞和其外的1 ～2 層鞘細胞包被。

LFY-like genes play important role in plant development, when they were first isolated from mutants of Antirrhinum and Arabidopsis, they were thought to be "SAM-specific-determinating-genes", regulating the transition from inflorescence to flower meristem. However, further research revealed that LFY-like

LFY類基因在植物形態(tài)建成過程中具有重要作用隐私偷拍偷窥AV合集，根據(jù)其突變體的特征亚洲中文久久精品无码无卡，曾一度被認為是在花分生組織和花序分生組織中特異表達的&分生組織特征決定基因&，控制花序分生組織向花分生組織的轉(zhuǎn)變91精品网站。

Observations from the paraffin dissection showed that, the anatomical structures of treated upland rice root tip cells changed obviously, such as the arrangement confusion of cells from apical root meristem, quiescent center and root cap, increased middle lamella, the increased width and reduced elongation of cortex parenchyma cells, and the large numbers of slough off epidermis cells.

石蠟切片的結(jié)果表明717理论午夜福利电影，和對照相比，化感物質(zhì)處理后的旱稻幼苗根尖的解剖結(jié)構(gòu)發(fā)生了明顯的變化国产在线不卡免费AV网站，主要表現(xiàn)在頂端分生組織欧美最近激情性高潮、靜止中心和根冠的細胞排列混亂，細胞間隙加大激情偷乱人伦在线视频，皮層薄壁組織細胞變得短而粗国产精品十八禁在线观看男男，以及表皮層細胞大量脫落等。