The extrafloral nectaries in Cerasus plants located on the base of the petiole or edge of the blade, and belonged to stalk nectries. The nectaries consisted of epidermis, nectariferous cells and vascular bundle.

結果表明aⅤ色国產歐美，櫻屬植物花外蜜腺位于葉柄基部或葉片邊緣處超碰国产人人洗澡人人操，屬于莖軸蜜腺九九亚洲精品自拍，是由條狀紋飾的分泌表皮黄色网站免费一区二区在线观看、產蜜組織和維管束構成黄视频毛片网站。

This suggests that the cytological changes in sieve element and nectariferous tissue are closely associated with the nectary functional activities.

這反映了蜜腺發(fā)育過程中篩分子和蜜腺組織的細胞學變化是與蜜腺的生長、發(fā)育和生理功能的完善聯(lián)系在一起的国产高清无码丝袜。

The three species shared a few common features in the palisade-like epithelial cells, vascular supplies, and nectary openings. However, they showed some differences in longitudinal section and transectinal outline.

這3種植物花蜜腺的柵欄狀表皮細胞两根一起进、維管束和蜜腺開口方式相似，而從縱切面和橫切面上觀察其結構存在一些差異国产浮力网。

The nectary and nectariless bulkswere constructed by DNA of ten nectary individuals and ten nectarilessindividuals in the F_2 through using BSA method.

6用SSR引物對無蜜腺品種97014和有蜜腺品種TM-1進行篩選欧美黄色一级影院，共篩選出在兩品種間擴增差異的引物10對。

The results showed that the nectaries were not upgrowth, no obvious shaped nectaries and they were just gland cells and secretory cavities. Nectary cells were at the receptacle surface which was at the bases of the furthest outside gynoecia.

結果表明中文色婷婷国产精品视频，慈姑雌花蜜腺不很發(fā)達在线一二区免费视频，無明顯的成形蜜腺，僅存在腺細胞及分泌道小说亚洲图片，腺細胞位于最外輪雌蕊基部的花托表面亚洲男人的天堂一区二区，由腺細胞構成腺表皮，屬于花托蜜腺人人超人人操人人操。

The results are as follows:(1) The morphological investigation indicated that the nectaries werelacked on the main nervation, calyx and bract of cotton line 97014 comparedwith TM-1. Alveolate hollow was absent at main nervation of the mature leaf.Results of cytological analysis showed that 97014 lacked nectariferous structure.Where nectary inserted were parenchyma cells, cupped structure and brownnectariferous substance on the lower epidermis were not found.

主要研究結果如下：(1)以棉花無蜜腺品種97014與有蜜腺棉花遺傳標準系TM-1為材料日本色色色色色电影网站，進行形態(tài)學比較研究，結果表明棉花無蜜腺品種97014葉片中脈黄色视频在线观看视频免费网站、花萼和苞葉上都缺少蜜腺免费无码黄片视频，成熟葉片葉脈、花萼和苞葉上均無蜂窩狀凹陷国产一级a爱大片免费视频；組織與細胞切片觀察發(fā)現(xiàn)久久国产超碰女女AV，97014缺少蜜腺組織結構，在蜜腺著生處為排列整齊的薄壁細胞欧美老妇午夜福利视频，且在下表皮看不到凹陷的組織結構和褐色的蜜腺分泌物婷婷亚洲图片AV在线动漫。

Leaves simple, alternate, sometimes fascicled on short branchlets, conduplicate when young; petiole usually with 2 nectaries or sometimes nectaries at base of leaf blade margin; leaf blade margin often serrate.

有托葉。單葉国产精品自拍欧美一区，交替99这里都是精品，有時由短開出的簇生小枝，幼時性色一区；葉柄通常具2蜜腺或有時蜜腺在基部的葉片邊緣jizz有基视频色欲；葉片邊緣通常有鋸齒。

Leaves simple, alternate or fascicled on short branchlets, conduplicate when young; petiole usually with 2 apical nectaries or nectaries sometimes at base of leaf blade margin; leaf blade margin singly or doubly serrate, rarely serrulate.

單葉A国产无码，交替或在上久久久亚洲日本韩国一区二区，對折幼時；有時的葉柄通常具2頂端的蜜腺或蜜腺葉片邊緣的在基部欧美激情在线精品一区二区；單個的葉片邊緣或重鋸齒国产99爱视频精品免费观看，很少有細鋸齒亚洲特黄三级视频免费在线播放。

The cotton plant without nectariferous structure in leaves and flowers,named nectariless cotton, is suffered from fewer plant diseases and insect pestsfor lack of nectaries and honeydew.

棉花無蜜腺性狀表現(xiàn)為棉株葉片和花無蜜源分泌組織結構，缺少蜜腺和蜜汁欧洲A片。

Its cytoplasm were denseness and the karyons were big. It was speculated that the nectaries of Sagittaria triforia were degenerated from androeciums.

根據(jù)其蜜腺的位置及結構2021亚洲视频，可以推測其蜜腺可能是由花的雄蕊退化而成的。

extrafloral nectary：花外蜜腺

(維管)束外形成層 extrafascicular cambium | 花外蜜腺 extrafloral nectary | 非遺傳的 extragenetic

Extrafloral nectaries：外花蜜腺

Extinction 滅絕 | Extrafloral nectaries 外花蜜腺 | Extrinsic factor 外在因子

nectar gland：蜜腺

stamen 雄蕊 | nectar gland 蜜腺 | sepal 萼片

nectary：蜜腺

蜜腺 蜜腺(nectary)是能分泌蜜汁的多細胞腺體結構,它們由表皮或表皮及其內層細胞共同形成,即由保護組織和分泌細胞構成. 根據(jù)蜜腺在植物體上的分布位置,可將蜜腺分為花蜜腺和花外蜜腺兩類.

floral nectary：花[上]蜜腺

03.305 花蜜 nectar | 03.306 花[上]蜜腺 floral nectary | 03.307 花外蜜腺 extrafloral nectary

floral nectary：花蜜腺

floral meristem 花分生組織 | floral nectary 花蜜腺 | floral organ 花器

floral nectary：花器蜜腺

floral bract 花的苞片 | floral nectary 花器蜜腺 | floral receptacle 花托

nectariferous gland：蜜腺

nectar scale 蜜腺鱗片 | nectariferous gland 蜜腺 | nectariferous plant 蜜源植物

nectarous cell：蜜腺細胞

nectarivorous 食蜜的 | nectarous cell 蜜腺細胞 | nectarous plant 蜜腺植物

nectarous plant：蜜腺植物

nectarous cell 蜜腺細胞 | nectarous plant 蜜腺植物 | nectary 蜜腺