The shape and size of the microspores fluctuated apparently, and the size of the microspores was in positive correlation to chromosome number.

小孢子的形狀和大小變異明顯，且小孢子的大小與所含染色體的數(shù)目呈正相關(guān)国产后入式免费视频。

A prefix is often added, providing information as to the nature of the spore, for example conidiospores arise on a conidium, megaspores and microspores are the larger and smaller spores produced by heterosporous plants, etc.

此詞前常有前綴修飾三级片第一页，用以提供含孢子特征的信息。例如 conidiospores 源于分生孢子91不卡在线精品国产， megaspores 和 microspores 是大孢子和小孢子欧美色屌，由具異型孢子體的植物體產(chǎn)生。

Subsequently, the tapetum cell began to disorganize, and it kept the strongest Ca^2＋ fluorescence intensity from microspore to pollen maturity until the tapetum was disappeared completely.

在花藥壁組織內(nèi)Ca^2＋分布也呈現(xiàn)規(guī)律性的變化：造孢組織時(shí)期可以进去的黄片，花藥壁組織Ca^2＋熒光強(qiáng)度在不同壁層組織中分布均勻亚洲zaixianguankan；小孢子母細(xì)胞時(shí)期，藥壁中層細(xì)胞Ca^2＋熒光最強(qiáng)成人av小姐网站在线电影，絨氈層細(xì)胞次之一区二区欧美房事；單核小孢子時(shí)期，絨氈層細(xì)胞呈解體狀態(tài)免费看黄网址，Ca^2＋熒光最強(qiáng)日韩精品免费观看大全视频，并保持到二核花粉時(shí)期直至絨氈層完全消失，但此時(shí)花藥纖維層發(fā)育形成国产精品专区第1页，表現(xiàn)出較強(qiáng)的Ca^2＋熒光黄色网一区二区。

The smaller of two types of spores that give rise to a male gametophyte.

小孢子兩種孢子中較小的一種，其產(chǎn)生一雄性配子體

Heterospory The production of two different sizes of spore: microspores and megaspores.

孢子異型：指植物產(chǎn)生兩種大小不同的孢子：小孢子和大孢子久久99精品国产超碰超。

After the early uninucleate stage, nearly all of Peiai 64S microspores possessed malfunctional exine that was deviod of electron transparent region between sexine and nexine, and no intine was established.

早期小孢子形成之后最新无码国产精品资源，幾乎所有小孢子外壁均發(fā)育異常，表層與里層之間界限不清欧洲美女免费看视频在线，缺少中間透明帶国产a片v，同時(shí)內(nèi)壁沒(méi)有形成。

With American botanist cypress apply reach Halier, the really beautiful doctrine that British botanist breaths out Qin Song to be a delegate thinks the flower of angiosperm is come by evolution of ball of leaf of primitive gymnospermous bisexual spore, consequently tentative idea angiosperm is the Benneisu that in coming from gymnosperm, eradicates already iron eye, draft Su Tie especially , the bud on ball of its spore leaf piece evolve for perianth, sporule leaf evolves for stamen, big spore leaf evolves for pistil , axis of ball of its spore leaf shortens for rachis.

以美國(guó)植物學(xué)家柏施及哈利爾色国产精品福利，英國(guó)植物學(xué)家哈欽松為代表的真花學(xué)說(shuō)認(rèn)為被子植物的花是由原始裸子植物兩性孢子葉球演化而來(lái)在线大片aaa，因而設(shè)想被子植物是來(lái)自裸子植物中早已滅絕的本內(nèi)蘇鐵目，非凡是擬蘇鐵800在线视频免费观看，其孢子葉球上的苞片演變?yōu)榛ū唬?strong>小孢子葉演變?yōu)樾廴镆患痘粕玐XXX，大孢子葉演變?yōu)榇迫锶巳松先巳瞬迦巳瞬伲滏咦尤~球軸則縮短為花軸女生性高潮喷水视频。

In microgametogenesis, callose deposits in tapetal cells and begins to accumulate around microspore nucleus at the early microspore stage, callose deposition around microspore nucleus continues through uninucleate microspere stage.

小孢子早期，絨氈層細(xì)胞中積累胼胝質(zhì)類物質(zhì)韩国三级片最新，小孢子核周圍也開始沉積胼胝質(zhì)三级片视频黄片，逐漸形成完整胼胝質(zhì)壁；小胞子晚期农村妇女性A片久久久，絨氈層細(xì)胞開始解體日本色区，藥室內(nèi)壁細(xì)胞開始加厚无码超碰一区二区，其加厚的物質(zhì)為胼胝質(zhì)類物質(zhì)。

In heterosporous plants, the microspores give rise to small male prothalli bearing male sex organs, and larger female sex prothalli bearing female sex organs.

在具異形孢子的植物中九九精选视频，小孢子形成具小的雄性器官的雄原葉體欧美国产精选，而大孢子形成大的具雌性器官的雌性原葉體。

In vitro this oil showed a better antifungal activities, under the concentration of 2.0 μL/mL in media it could totally inhabit the growth of Crytococcus neoformans, S porothrix schenckii, Microsporum lanosum, M. Gy pseum and Chaetomium globosum.

該揮發(fā)油具有一定的體外抗真菌活性在线视频福利第一网，在培養(yǎng)基油濃度小于2.0 μL/mL的情況下91三级片在线视频观看，能夠完全抑制新型隱球菌、申克氏孢子絲菌婷婷五月天,丁香、羊毛狀小孢子菌一级黄色视频高潮、石膏樣小孢子菌和球毛殼霉等皮膚真菌的生長(zhǎng)繁殖。