Last edited by Malasho
Wednesday, May 6, 2020 | History

2 edition of Apomixis in higher plants. found in the catalog.

Apomixis in higher plants.

Gustafsson, AМЉke

Apomixis in higher plants.

by Gustafsson, AМЉke

  • 372 Want to read
  • 22 Currently reading

Published by C. W. K. Gleerup in Lund .
Written in English

    Subjects:
  • Plants -- Reproduction.

  • Edition Notes

    Bibliography: v. 3, p. 321-349.

    SeriesLunds universitets årsskrift,, n.f., avd. 2, bd. 42, nr. 3; bd. 43, nr. 2; bd. 43, nr. 12, Kungl. Fysiografiska sällskapets handlingar,, n.f., bd. 57, nr. 3; bd. 58, nor. 2; bd. 58, nr. 12
    Classifications
    LC ClassificationsAS284 .L82 bd. 42, nr. 3, etc.
    The Physical Object
    Pagination3 v.
    ID Numbers
    Open LibraryOL194575M
    LC Control Numbera 49000038
    OCLC/WorldCa3139049

    Non-Recurrent: The plant produced due to apomixis is unable to reproduce further. Seen in the case of: Haploid Parthenogenesis: Development of embryo from the egg without fertilization. The egg formed is haploid. Apogamy. 2. Recurrent: The plant produced due to apomixis can reproduce further. Seen in . ADVERTISEMENTS: Read this article to learn about the apomixis and polyembryony in flowering plants! Apomixis (Gk. apo- without, mixis- mixing) is a mode of reproduction which does not involve formation of zygote through gametic fusion. It is, therefore, akin to asexual repro­duction. In plants apomixis commonly mimics sexual reproduction but produces seeds without fertilisation, e.g., [ ].

    Apomixis is the event of an asexual reproductive process taking place instead of the normal sexual processes which involve reduction division and fertilization. This process is widely observed amongst higher plants and such plants are said to be apomictic. Most commonly observed in Compositae, Gramineae, Rutaceae. 1. Apomixis in Plants presents a comprehensive review of different aspects of asexual seed formation in plants. This is important in plant research since apomixis could greatly facilitate breeding in important crops. It is also interesting theoretically because it carries problems related to genetic variation and evolution to its extreme. The book features a broad selection of topics, including a.

    Apomixis, therefore, could represent a transition period in the evolution of polyploid complexes, with polyspory in paleopolyploids being a remnant of lost apomixis. where f asex is the female fitness of asexual individuals and f sex that of the sexual individuals, and m is the respective male fitness quotient (Mogie, ).If m = 1, then the f quotient must only exceed 05, or, in other words, asexual seed set needs to exceed only half of that of the sexual individuals to increase the frequency of apomixis in the by:


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Apomixis in higher plants by Gustafsson, AМЉke Download PDF EPUB FB2

Apomixis in Plants is an important reference volume for researchers and students in all areas of botany, ecology, and plant breeding. Read more Read less click to open popoverCited by:   Apomixis in Plants presents a comprehensive review of different aspects of asexual seed formation in plants.

This is important in plant research since apomixis could greatly facilitate breeding in important crops. It is also interesting theoretically because it carries problems related to genetic variation and evolution to its by: Book Description Apomixis in Plants presents a comprehensive review of different aspects of asexual seed formation in plants.

This is important in plant research since apomixis could greatly facilitate breeding in important crops. Online version: Gustafsson, Åke, Apomixis in higher plants. Lund: C.W.K. Gleerup, [] (OCoLC) Document Type: Book.

Apomixis in Plants presents a comprehensive review of different aspects of asexual seed formation in plants. This is important in plant research since apomixis could greatly facilitate breeding in important crops.

It is also interesting theoretically because it carries problems related to genetic variation and evolution to its extreme. Apomixis in higher plants. 1., The mechanism of apomixis.

(Microform, ) [] Your list has reached the maximum number of items. Please create a new list with a new name; move. Apomixis in Plants presents a comprehensive review of different aspects of asexual seed formation in plants. This is important in plant research since apomixis could greatly facilitate breeding in.

Part of the Plant Breeding Series book series (PLBR) Abstract. Most plants reproduce sexually through seeds.

Gustafsson, Å. (), Apomixis in higher plants. Part I. The mechanisms of apomixis. Lunds Univ Morphologic, cytogenetic and enzymatic variation in tissue culture regenerated plants of apomictic old-world blue stem grasses. Apomixis is widely distributed among higher plants. More than species belonging to 35 families are apomictic.

It is most common in Gramineae, Compositae, Rosaceae, and Rutaceae. Among the major cereals maize, wheat, and pearl millet have apomictic relatives.

Apomixis in Plants by Sven Asker,The book features a broad selection of topics, including a historical review of ideas and landmarks in the field; comparisons with other types of asexual reproduction in higher plants and with related phenomena in animals and related plants; a presentation of cytology and embryology of.

Apomixis, the asexual reproduction via seed, has many potential applications for plant breeding by maintaining desirable genotypes over generations. Since most major crops do not express natural apomixis, it is useful to understand the origin and maintenance of apomixis in natural plant systems.

Here, we review the state of knowledge on origin, establishment and maintenance of natural by: 5. Apomixis in Plants presents a comprehensive review of different aspects of asexual seed formation in plants.

This is important in plant research since apomixis could greatly facilitate breeding in important crops. It is also interesting theoretically because it carries problems related to genetic. Apomixis in Higher Plants, Part II. The Causal Aspect of Apomixis. Other notes: Lunds Universitets Arsskrift, N.

Avd. Ink and pencil markings, front cover. Cover creased, torn at spine. First separate edition. Apomixis in Higher Plants, Part II. The Causal Aspect of Apomixis.

Other notes: Seller Rating: % positive. Although many years of descriptive studies have provided a solid documentation of the types of apomictic processes that occur in a wide variety of plant species, molecular studies aimed at understanding the basis of apomixis have failed to adequately elucidate its central mystery, partly because the majority of apomicts do not constitute Cited by: Apomixis in Plants presents a comprehensive review of different aspects of asexual seed formation in plants.

This is important in plant research since apomixis could greatly facilitate breeding in important crops. It is also interesting theoretically because it carries problems related to genetic variation and evolution to its : CRC Press.

Free 2-day shipping. Buy Apomixis in Plants (Hardcover) at nd: Sven Asker; Lenn Jerling. In higher plants, sexual and asexual reproduction through seeds (apomixis) have evolved as alternative strategies. As apomixis leads to the formation of clonal offspring, its great potential for agricultural applications has long been recognized.

However, the genetic basis and. Apomixis: new horizons in plant breeding Nejdet KANDEMİR*, İbrahim SAYGILI Department of Crop Science, Faculty of Agriculture, Gaziosmanpaşa University, Tokat, Turkey * Correspondence: [email protected] 1.

Introduction Apomixis is a mechanism of seed formation without fertilization and is observed in more than species in. Apomixis in plants 1. Apomixis, derived from two Greek word "APO" (away from) and "mixis" (act of mixing or mingling). APOMIXS is a type of reproduction in which sexual organs of related structures take part but seeds are formed without union of gametes.

The first discovery of this phenomenon is credited to Leuwen hock as early as in Citrus seeds. The genotype of the. Class XII Biology - Reproduction in lower and higher plants - Apomixis, Parthenocarpy & Polyembryony.

The characteristics of Apomixis, Parthenocarpy & Polyembryony is. Apomixis is widely distributed among higher plants. More than species belonging to 35 families are apomictic. It is most common in Gramineae, Compositae, Rosaceae and Rutaceae.

Among the major cereals maize, wheat and pearl millet have apomictic relatives. Here, a brief account of apomixis, is furnished only from the point of view of breeding. The initial discovery of apomixis in higher plants is attributed to the observation that a solitary female plant of Alchornea ilicifolia (syn.

Caelebogyne ilicifolia) from Australia continued to form seeds when planted at Kew Gardens in England (Smith, ).Cited by: Moskova RD, Yakovlev MS () Apomixis ofBothriochloa ischaemum L. Flowering, pollination, fertilization.

In: Linskens HF (ed) Fertilization in higher plants. North-Holland Publ, Amsterdam, pp – Google Scholar.