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1. Tapetum of Pulsatilla chinensis is of secretory type.

2. During early- vacuolated stage, the tapetum has lipids in the endoplasmic reticulum.

3. Programmed cell death (PCD) during tapetum degeneration in postmeiotic anthers is critical for the proper development of male gametophytes in flowering plants.

4. Be pregnant 3-5 in month, the nasciturus' tapetum development needs to depend on parent population to supplies ample thyroxine.

5. The tapetum begins to vary at the stage of tetrad with the cytoplasm anther cell.

6. When the tapetum disintegrates gradually later, microspore mother cell has still not entered meiosis, finally disintegrated.

7. The tapetum of P. hortorum belongs to periplasmodial tapetum. The invasion into the locule occurs when microspore form large vacuole in its cytoplasm.

8. Male - sterility mainly results from the abnormality of mesospore[sentencedict.com], tapetum tissue and vascular bundle.

9. Franco consists of three layers: the epidermis, the middle layer and the tapetum.

10. The anther wall of Setaria glauca consists of four layers: epidermis, endothecium , mid-dle layer and tapetum.

11. The specialist suggests that the pregnant woman eats 1-2 fishes at least within a week to absorb ripe DHA and satisfies the nasciturus' tapetum development demand.

12. At microsporogenous tissue stage, the microsporangium wall could be recognized as epidermis, middle layer and tapetum from outside to inner.

13. At late anther developing stage, the tapetal cells became to vacuolated, anther chamber was full of giant tapetum and the microspore degenerated completely.

14. Anther wall was formed in a special method due to the homology of tapetum cell and secondary sporogenous cell.

15. The development of anther wall belongs to the monocotyledonous type, and the tapetum is glander tapetum.

16. The anther was found to be 4-sporangiate. The anther wall includes 4 layers: epiderm, endothecium, middle layer and secretory tapetum.

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17. The development of anther wall follows the dicotyledonous type, composed of four layers, respectively epidermis, endothecium, middle layer and tapetum.

18. It is suggested that the microspore abortion in male-sterile anther would he attributed to premature degeneration of middle layer and tapetum.

19. Cell layers of powder chamber wall and middle-level were increased, tapetum cells were hypertrophied and sporogenous cells or microspore mother cells were disaggregated.

20. The main results are as follows: (1) Anther wall comprises epidermis, fibrous endothecium, one middle layer and glandular tapetum with two-nucleate cells.