Anthers attached at corona lobelet sinus, ovoid, ca. 2 mm.
花附着在的副花冠小裂片凹缺,卵球形,约2毫米。
Anthers attached at corona lobelet sinus, ovoid, ca. 2 mm.
花附着在的副花冠小裂片凹缺,卵球形,约2毫米。
Tapetum (pl. tapeta) A food-rich layer surrounding the spore mother cells in the anthers of vascular plants.
维管植物花粉囊内包围孢子母胞的富含营养物质的一层结构。
Some large vacuoles appeared in the tapetal cells of the sterile anthers at the early uninucleate pollen stage.
在单核胞早期,不育花粉的四分体胞中有较明显的大液泡出现。
The flower is bisexual, hypogynous, and with protandrous, tubular androecium whose anther are fused in a broad ring.
花朵为两性花,子房上位,雄蕊先熟,呈筒状环绕之雄蕊筒,靠顶端具环带状的花。
Homogenous lines can be obtained in a very short time by haploidy breeding method such as microspore culture and anther culture.
通过单倍体育种途径可快速获得纯合材料,增加有益性状的选择几率,加快育种进程。
It indicated that the frequency of formation of the true pollen-derived plantletsw ere significantly low in the anther culture of B. napes.
这些结果说明在油菜的花培养中可能有一少数花粉植株的形成。
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