S. Detchepare

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A technical procedure is described to follow the in vitro release of the ;male germ unit' and the sperm cells from three tricellular pollen species (Brassica, Zea, and Triticum). The condition of the sperm cell was controlled using light microscopy. In addition, for the first time, the sperm cells viability has been checked by the fluorochromatic reaction(More)
Brassica napus pollen development during the formation of the generative cell and sperm cells is analysed with light and electron microscopy. The generative cell is formed as a small lenticular cell attached to the intine, as a result of the unequal first mitosis. After detaching itself from the intine, the generative cell becomes spherical, and its wall(More)
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