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以不同发育时期的水稻和小麦子房为材料,经固定、脱水、冬青油整体透明,用加拿大树胶封藏制成永久片后,在微分干涉差显微镜(Differential interference contrastmicroscope)下可清楚地观察到胚囊结构和胚胎发育过程。它是一种简便的研究植物胚胎发育和检查无融合生殖发生过程的方法。
Using the rice and wheat ovary at different developmental stages as materials, the immobilized, dehydrated and whole-oiled wintergreen oil was made into a permanent film after being sealed with Canadian gum, and was clearly observed under a differential interference contrast microscope Embryo sac structure and embryonic development. It is a simple and easy way to study the development of plant embryos and to examine the occurrence of apomixis.