Get Atlas of Sexual Reproduction in Flowering Plants PDF

By Prof. Dr. Mauro Cresti, Dr. Stephen Blackmore, Prof. Dr. Jacobus L. van Went (auth.)

ISBN-10: 3642581226

ISBN-13: 9783642581229

ISBN-10: 3642634761

ISBN-13: 9783642634765

Comprising approximately 100 plates this atlas records and describes the techniques about the sexual copy in greater vegetation. it truly is dividedinto 3 components: - Anther improvement - Pistil improvement - Progamic section and Fertilization. The scanning, transmission electron and lightweight micrographs are all of immaculate caliber and - for the viewer's orientation - nearly every one plate is complemented by means of a scheme displaying a bigger region of the plant indicating the location of the part. including instructive texts, the customarily awesome photos offer a beneficial advent into plant reproductive mobilephone constructions for researchers and complicated scholars of genetics, plantbreeding and phone biology.

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Showing the ultrastructure of the periplasmodial tapetum. The tapetal cytoplasm near the microspores contains mainly ribosomes, vesiculate endoplasmic reticulum and microtubules (arrows). The microtubules are aligned parallel to the exine surface. x 20,000. (Plates 14A,B courtesy E Pacini, Siena). 44 45 ANTHER DEVELOPMENT - Microspore-tapetum relationship ---Tapetum Plate 15. , close to a young microspore. The tapetal cell has an amoeboid character and is closely appressed to the exine of the microspores.

X 17,000. Plate 6C. Enlarged portion of a microspore mother cell of Impatiens sultani Hook f. during tetrad formation. The accumulated Golgi-vesicles fuse to form aggregates of tubules and small sacs (arrow). Subsequently deposition of callose takes place inside the sacs, leading to the formation of callosic cell plates (double arrow). x 35,000. (Plates 6A, C reproduced by permission from Van Went J, Cresti M (1988b) Sex Plant Reprod 1: 228-233; Plate 6B reproduced by permission from Van Went J, Cresti M (1989) Protoplasma 148: 1-7).

Microspore ofImpatiens walleriana Hook f. at metaphase of mitosis. During mitosis the plastids and many other organelles remain clustered in that region of the microspore which will later form the vegetative cell of the pollen grain. Like the nucleus, the metaphase plate has also an acentral position in the microspore (arrows). x 4,000. Plate18C. Enlarged view of the clustered organelles in a microspore of Impatiens walleriana Hook f. at the onset of mitosis. Plastids and mitochondria are closely packed, as are intermingling cisterns of endoplasmic reticulum (arrows).

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Atlas of Sexual Reproduction in Flowering Plants by Prof. Dr. Mauro Cresti, Dr. Stephen Blackmore, Prof. Dr. Jacobus L. van Went (auth.)


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