Last edited by Kajikree
Friday, July 24, 2020 | History

2 edition of Spores of Indian ferns found in the catalog.

Spores of Indian ferns

Santha Devi.

Spores of Indian ferns

by Santha Devi.

  • 279 Want to read
  • 32 Currently reading

Published by Today & Tomorrow"s Printers and Publishers in New Delhi .
Written in English

    Places:
  • India
    • Subjects:
    • Ferns -- India -- Spores.,
    • Ferns -- Spores -- Morphology.,
    • Ferns -- Classification.

    • Edition Notes

      Statementby Santha Devi.
      Classifications
      LC ClassificationsQK529.I4 S26
      The Physical Object
      Paginationxii, 228 p. :
      Number of Pages228
      ID Numbers
      Open LibraryOL4702747M
      LC Control Number77903062

      Step 1: Gather the Spores To collect spores, place a mature fern frond on a piece of smooth white paper. The ripened spores will fall from the frond and onto the paper after several days. Step 2: Plant the Spores Carefully fold the paper so the fern spores fall into the crease. Then sparsely sprinkle the spores over moist seed-starting mix. When a spore germinates, it does not turn into a familiar fern. Rather, it forms a tiny, flat—often heart-shaped—moss-like plant called a gametophyte, which occurs in a type of life cycle known as alternation of generations.. The gametophyte then produces the gametes—the sperm and the egg—which come together to give rise to the fern with which we are all familiar.

      The spores of tree ferns are also distinct from the smaller ferns. While the spores of most ferns are barely visible, those of these tree-size ferns are much larger, some as big as a gulab jamun. indian fern journal Download indian fern journal or read online books in PDF, EPUB, Tuebl, and Mobi Format. Click Download or Read Online button to get indian fern journal book now. This site is like a library, Use search box in the widget to get ebook that you want.

        India being a rich source of pteridophytic flora with diverse ecological and economical values, the Indian soil is largely unexplored for natural fern soil spore bank study. There is enormous scope in this field of research in India to increase knowledge of soil spore banks of ferns for conservation purposes particularly for the threatened fern. calomelanos (L.) Link. Among these fern species, P. vittata, ata,olia cv. dui,ta cv. bostoniensis, M. punctatum, and C. dentatus were collected from di erent phytogeographic region of India and successfully grown in the Fern House of CSIR-NBRI, Lucknow. Spores of C. spinulosa and P. calomelanos were collected from.


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Spores of Indian ferns by Santha Devi. Download PDF EPUB FB2

Genre/Form: Classification: Additional Physical Format: Online version: Santha Devi. Spores of Indian ferns. New Delhi: Today & Tomorrow's Printers and Publishers,   The Ferns (Filicales) Vol. II, Today & Tomorrow's Book Agency, New Delhi, India (). CHAKRAVORTY, S.: Stomata and spores of some cytheoid ferns and their phylogenetic significance.

by:   The spore is two different types as observed such as advanced spores (monolete) and primitive spores (trilete). The spore size ranges from 24 to. SPORE MORPHOLOGY OF INDIAN FERNS ASPLENIACEAE AND BLECHNACEAE I. Acquiring spores Ferns tend to produce spores in the summer. I was fortunate with my fern since it already had spores by the end of June.

Look for little brown-black bumps (sori) on the underside of the leaf (see image 2+3 above), maidenhair fern sori appear towards the front edge of the leaves. Many ferns spread this way, including oak fern, beech fern, ostrich fern, bracken fern, and common horsetail.

Growing Sword Ferns from Spores in the Dark Days of Winter Spores of sword ferns (Polystichum) are germinating in special containers under controlled lighting, temperature and. Ferns certainly are very odd plants with a unique life cycle.

Unlike most other plants we know, they bear neither flowers nor seeds. Instead, they mainly reproduce by spores. Easier to Grow Than You’d Think Few seed companies offer fern spores, probably because they’re convinced that growing ferns from spores is beyond the capacity of.

Spores are most conspicuous in the non-seed-bearing plants, including liverworts, hornworts, mosses, and ferns. In these lower plants, as in fungi, the spores function much like seeds.

In general, the parent plant sheds the spores locally; the spore-generating organs are frequently located on. ‘ferns and fern allies’, comprise about 12 species of vascular plants that do not produce flowers or seeds, reproducing instead via the production of spores.

A threatened tree fern listed in Red-Data Book. Trunk is extensively using in the orchid cultivation. “Environmental significance of fern spores,” Biological Memoirs, vol. 6, pp. 62–66, “Economic exploitation and conservation: emerging areas in the study of ferns and fern allies,” Indian Fern Journal, vol.

6, pp. 23– GIIASA PALTSOLOGICA 5: 3, SPORE MORPI-IOLOGY OF INDIAN FERNS Polypodiaceae n. NAYAR and SAKTHA DEW Introduction The Polypodiaceae sensu strict0 is a large family of.

Then there is the royal fern, whose spore clusters form on a stem at the tip of some of its leaves. Another variation is the interrupted fern, whose brown fertile leaflets are found sandwiched between sterile leaflets.

Species of ferns with spore clusters on the. It is commonly known as water sprite, Indian fern, water fern, oriental waterfern, and water hornfern. In some areas Ceratopteris exhibits a degree of seasonality, reaching maturity and shedding spores during the dry season; plants have lost nearly all sterile fronds by this stage.

Fern - Fern - Sexual reproduction: The sex organs of ferns are of two types. The sperm-producing organ, the antheridium, consists of a jacket of sterile cells with sperm-producing cells inside.

Antheridia may be sunken (as in the families Ophioglossaceae and Marattiaceae) or protruding. They vary in size from those with hundreds of sperm to those with only 12 or so. Ferns are vascular plants that do not produce seeds.

Sexual reproduction is accomplished by the release of spores, which develop in special structures called sporangia (singular: sporangium). The sporangia usually occur in clusters called sori (singular: sorus), found on the underside of “fertile” leaves.

Fern. For documenting flora of India that is being discussed on efloraofindia google e-group along with supplementing the working of the group.

Efloraofindia (earlier Indiantreepix) is the largest Google e-group in the world in this field & largest nature related in India devoted to creating awareness, helping in identification etc.

along with discussion & documentation of Indian Flora. Spores of A. nidus are monolete, bilateral 22 × 37 (at X ) in size, polar and Vittaria-type germination is found [3] (Figures 1(a) and (b)). About 47 percent spores were germinated after 47 days of spore sowing which became percent after 60 days of spore sowing.

The viability of spores was totally lost after six months when kept at. ost ferns live in moist, shaded, fairly undisturbed spots, but some root in cracks in rocks, some are vines, some are weeds -- there's even an aquatic kind. The Broad Beech-fern in the picture at the right is distributed from Florida to eastern Texas, north to Maine and southeastern Minnesota.

It lives in woods on slopes, along streams and at the edges of swamps and bogs, and is often. Fresh ferns bearing ripe or almost ripe spores To make the print, lay down paper on a flat surface, and place the fern fronds so that spore dots are facing the paper. Within 24 hours, if the spores are ready to disperse, they will fall off of the frond and onto the paper, leaving a print of spores in the shape of a fern.

Ferns, Ferns, Everywhere. The leafy fern with spores is part of the diploid generation, called the sporophyte. A fern's spores don't grow into leafy sporophyte.

They aren't like seeds of flowering plants. Instead, they produce a haploid generation. In a haploid plant, each cell contains one set of chromosomes or half the genetic complement (like a human sperm or egg cell).

Abstract. Morphological, anatomical and palynological studies on all seven Indian species of Antrophyum Kaulf. and fourteen species of Vittaria J. Sm. out of seventeen Indian members have been made and their taxonomy is discussed.

Keys have been provided based on morpho-anatomical characters.The Indian Fern Journal. The Indian Fern Journal issued annually is devoted to the study of Pteridophytes.

The Journal is meant for circulation to the members of the Indian Fern Society and the Institutional subscribers. It is owned and published by the INDIAN FERN SOCIETY, Sector 7-C, Chandigarh (India).Diversity.

Ferns are classified by their structure and spore-bearing parts. They vary in size from tiny mosslike growths to large tree ferns reaching 50 feet or more in height, with a stout trunk.