Stamens 4, included, anterior 2 longer; anther cells apically confluent.

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The rapid in crease in population has caused serious housing problem, which is anther challenge to

劇增的人口引起了嚴(yán)重的住房問題，這對(duì)中國來說是一個(gè)挑戰(zhàn)操女人网站。

The new economy does not mean we'll never have anther recession or even a deflationary spiral.

新經(jīng)濟(jì)并不意味著我們將永遠(yuǎn)擺脫新一輪的衰退或是避免落入通貨緊縮的旋渦欧美真人一级99。

These results show that codA gene cloned from E. coli can express specifically in the anther of both monocotyledon and dicotyledon plant species upon induction of 5-FC, and the in vivo expression product of the gene can transform the 5-FC used externally into 5-FU, which leads to all or partial inactivity of anthers and/or pollens.

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Stamens 4, anterior 2 slightly longer, all exserted from posterior sinus of corolla; anther cells divaricate.

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Stamens 4, didynamous, sometimes exserted; anther locules attached only at tip, becoming divaricate.

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Stamens 4, declinate; filaments free, edentate; anther cells 2, apex usually confluent.

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Embryological observations on Crawfurdia delavayi, Tripterospermum cordatum, T. chinense, Gentiana striata and Pterygocalyx yolubilis show that the group under study is greatly diverse in differentiation and development of anther wall, type of ovule and placentae, synergid and antipodal cell in embryo sac, testa and embryogeny etc. The embryological characters are different among Crawfurdia, Tripterospermum and Gentiana Sect.

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The embryoid rate is highest when the sucrose concentration is 13% in anther and pollen culture.

在兩種培養(yǎng)方式中，培養(yǎng)基中的蔗糖濃度均以13％的培養(yǎng)效果最好能看的狼友网站。

The anther wall layers consist of the epidermis, the one layered endothecium, two middle layers and the tapetum of one layer.

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