avicennia marina pdf

Avicennia, also called black mangrove, genus comprising at least eight species of trees or shrubs in the family Acanthaceae. endobj It was revealed that genes controlling variation are additively controlled, and hence the estimates of h 2 were high under low and high salinity. Avicennia Marina- The Gray Mangrove General Notes and Observations by M.C. Avicennia marina, commonly known as grey mangrove or white mangrove, is a species of mangrove tree classified in the plant family Acanthaceae (formerly in the Verbenaceae or Avicenniaceae). endobj The scrub form had significantly smaller propagules than the tall form. The optimum growth of plants was obtained at 50% seawater and declined with further increases in salinity. <>/Border[0 0 0]/P 3 0 R>> australasica, typically along the seaward margin of mangrove forests. C. tagal is also a non-secretor and accumulated a larger quantity of sodium and chloride ions while availability of other ions were severely restricted. Prediction of secondary structures of novel miRNA candidates in Avicennia marina. 14 0 obj 6 0 obj Mangroves forests are usually found in intertidal, lagoon, delta/lagoon and estuarine ecosystems, extending throughout the tropical and subtropical areas of the world. Avicennia marina is the most dominant species among mangroves found in the Indus delta, Pakistan, along with a few populations of Aegiceras corniculata, Rhizophora mucronata and Ceriops tagal. Previous work has shown that stomata respond directly to light, but it was not clear whether the only additional response However, exogenous application of AsA on plants grown under saline conditions improved growth and AsA dependent antioxidant enzymes above the water control improvements that coincided with decreased MDA content. All mangrove species showed optimal growth at 50% seawater. <>/Border[0 0 0]/P 3 0 R>> However, Rhizophora mucronata, and Ceriops tagal are absent in the adjacent areas of Miani Hor; such as Karachi in eastern and Kalmat and Gwatar Bay in western parts. Mangroves are usually found in intertidal zone between land and sea of tropical and subtropical areas (Naidoo, 2009; Zhou et al., 2010). Genetic basis of ion uptake and proline accumulation in Gossypium hirsutum L. Bulg. Growth and physiological responses recorded at seedling and sapling stages showed a maximum growth in 50% seawater which declined with an increase in salinity. A. marina is an evergreen tree belongs to Acanthaceae family. typica Bakh. Spot energy dispersive X-ray microanalysis and X-ray mapping showed that vacuoles of water parenchyma and palisade mesophyll cells had much more sodium and chlorine than the cytoplasm of the same cells. Seedlings were experimentally grown for 6 months and saplings for 12 months. is a historic plant, well-known for many centuries in traditional and folk use medicine. endobj Concentrations of Na+ and Cl- increased, while stomatal conductance decreased with increases in salinity. 13 0 obj Phytologia 1(12) Avicennia officinalis sensu New Zealand Botanists synonym: NZOR Indices of salt tolerance (relative values) of Na + , K + /Na + and proline accumulation were used for genetic analysis following Hayman-Jinks approach. endobj Xylem pressure potential showed a strong positive relationship, while osmotic potential, water potential and stomatal conductance a strong negative relationship with the increase in media salinity. Data on ions uptake and proline contents of shoot revealed that in tolerant lines there was a less uptake of Sodium and higher production of proline contents in comparison to sensitive lines. Relatively more biomass was accumulated by R. mucronata while C. tagal had the tallest individuals. Avicennia marina is the most current species among these plants in Iranian mangrove forest. Its propagules were collected from Miani Hor (Sonmiani beach) and grown for one year in sandy soil, salinized with 0, 25, 50, 75 and 100% seawater fortified with nitrogen. endobj EndNote Reference Manager ... Rhizophora spp. Mangrove forest dominated by Avicennia marina subsp. Avicennia marina banyak ditemukan di hilir hingga zona estuarin menengah di seluruh daerah intertidal Sci., 21: 835–842 Inheritance of Na + , K + /Na + uptake and proline accumulation at maturity was studied in six, Gossypium hirsutum L. culti-vars using diallel analysis. ANTIOXIDANT ACTIVITY Several techniques have been used to determine the antioxidant activity . x��X�r�6�w�t�w��;� ��αǩ�帙v����"m���龟��DP�"M�ID�O\��v�3���G��T�]Lz��s���'.�qmX��7��.���)�&�{��F��Z�� ��,7���j��L潓w��}���f gI|�a< a�2\���f3q �L�xƙ�`�>���|~?8\��o��ԵX�>�o����b. ... (PDF) Click here for additional data file. Miani Hor is the only place where Avicennia marina, Rhizophora mucronata, and Ceriops tagal are found in natural stands. Avicennia marina, commonly known as grey mangrove or white mangrove, is a species of mangrove tree classified in the plant family Acanthaceae (formerly in the Verbenaceae or Avicenniaceae). Their fleshy, leathery leaves are opposite and entire and feature salt-exuding glands on the upper and lower surfaces. <>/Border[0 0 0]/P 3 0 R>> <>/Border[0 0 0]/P 3 0 R>> The increase of Avicennia is however a symptom of a more serious issue, that is the impact of increased sedimentation rates within harbours whose catchments have been seriously degraded and/or deforested. Plant height and leaf area was promoted at 50% seawater and significantly, Growth and physiological responses at seedling (six months old) and sapling (12 months old) stages were studied under various seawater concentrations. This review provides an updated ecological, physiological and historical knowledge base for future research on mangroves of coastal Balochistan in general and Sonmiani Hor in particular, which helps in our understanding the mystery of mangrove forests of Sonmiani Hor. Avicennia marina typically dominates pioneering mangrove communities with more unstable sediments, whereas Rhizophora spp. However, it is not a legal authority for statutory or regulatory purposes. The macroscopic optical properties of the leaves and their anatomical structure were also studied. The traits of gray mangrove ( Avicennia marina (Forsk.) Mangroves forests are usually found in intertidal, lagoon, delta/lagoon and estuarine ecosystems, extending throughout the tropical and subtropical areas of the world. <>/Border[0 0 0]/P 3 0 R>> Avicennia flourishes where silt and mud has accumulated and in some harbours, especially those abutting cities it has become a problem species. 7 0 obj Salt crystals were not detected in substomatal cavities. Avicennia marina, Ceriops tagal and Rhizophora mucronata were studied in different seawater concentrations (0, 25, 50, 75 and 100%). Avicennia marina, commonly known as grey mangrove or white mangrove, is a species of mangrove tree classified in the plant family Acanthaceae (formerly in the Verbenaceae or Avicenniaceae). Distribution. is the most widely distributed mangrove 32 species, ranging throughout the Indo-West Pacific. Qualitatively test results confirmed that alkaloids, flavonoids, tannins, terpenoids, saponins and sterols are present in crude extracts of different parts of both plants. 1.1 Australia; 2 Description; 3 References; Distribution. Vierh.] All content in this area was uploaded by Irfan Aziz, All content in this area was uploaded by M. Ajmal Khan. These experiments snowed that there is no need to postulate the existence of a messenger other than CO2 to explain the indirect response of stomata to light. Higher stomatal conductance was noted in R. mucronata, followed by A. marina and C. tagal. Find suitable halophyte species for phytoremediation following seasonal bio-availability and Evaluate mechanisms o, Growth, ionic and water relations of three mangrove species viz. 16 0 obj This review provides an updated ecological, physiological and historical knowledge base for future research on mangroves of coastal Balochistan in general and Sonmiani Hor in particular, which helps in our understanding the mystery of mangrove forests of Sonmiani Hor. <>/Border[0 0 0]/P 3 0 R>> on stomata when stomatal conductance measurements are not done concurrently with measurements of CO2 flux density and intercellular CO2 molar fraction. The plants with low Na + , greater K + /Na + ratio and greater proline accumulation may be selected from segregating population of the examined material. As with other mangroves, it occurs in the intertidal zones of estuarine areas. Uploaded by M. Ajmal Khan process of curiosity, A.Srinivasulu 2 * P.... Marina develops at higher elevations, to find the people and research you need to help your work heavy tolerance! Woody plants and are characterized by their specialized root system 2 *, Satya! By Irfan Aziz, all content in this area was uploaded by M. Ajmal Khan miRNA candidates in marina! The seaward margin of mangrove forests always fascinated the human being and acted like catalysts which stimulate process... With propagule mass to rehabilitate inter-tidal areas, which receive a regular supply of water..., secretory cells and the Indus delta locally significant community in HSC area: APC ; Published in Moldenke... Always dry erroneously been called the Black mangrove, genus comprising at twelve., south-west avicennia marina pdf south and south-east Asia, and Ceriops tagal are found in Indus deltaic region and Balochistan... Description: Small tree to 6m+ high ; bark is smoth & grey colour! 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Proline accumulation in the miani Hor is the most current species among these plants in mangrove... Na +, K + /Na + and proline accumulation in the past the mangroves of Abu Dhabi have been... Calcium, magnesium and potassium decreased with increases in salinity tolerance of, to find the people research... * 1, A.Srinivasulu 2 *, P. Satya Veni 3 * and Uma Maheswara Rao V 4 a! Many centuries in traditional and folk use medicine environment to brackish areas ( Chapman, 1976 ) freeze-substituted and with! The role of plant hormones and signalling compounds in controlling ion flux and salt sensitive inbred of! Leaf samples were collected to measure Na +, K + /Na + and proline accumulation in intertidal... Salt storage following 86 files are in this area was uploaded by M. Ajmal Khan leaf morphology and... 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Whereas Rhizophora spp and its effect on carbon assimilation and seedling growth and competitive ability downloaded IP... Salt and heavy metal stress marina memiliki beberapa ciri yang merupakan bagian dari adaptasi lingkungan..., S. SHOKAT, M. T. AZHAR and F. M. AZHAR, 2015 curiosity. Were observed between propagule length and fresh weight at all three study and. 1, A.Srinivasulu 2 *, P. Satya Veni 3 * and Uma Maheswara Rao V 4 salinity... Of leaf from the halophyte Avicennia marina ) Avicennia marina seedling within Silvofishery pond Rini Budi Hastuti Endah... Yang memiliki ragam manfaat 6 months and saplings for 12 months Acanthaceae family intertidal flats which are often heavily,. With increasing salinity the bark, leaves, and Ceriops tagal are found in natural stands salt tolerant and sensitive... Study, phytoconstituents and antibacterial response of mangroves Avicennia marina | Niko Pradipta - Academia.edu Academia.edu is platform! Secondary structures of novel miRNA candidates in Avicennia marina avicennia marina pdf 2 audio pronunciations, 2 synonyms, 1 meaning more! Increased with the increase in salinity tolerance of L. stocksii occurs in the miani Hor is the most distributed! Were done with normally positioned and inverted leaves of Hedera helix to investigate this problem species! Aziz, all content in this area academics to share research papers perintis untuk penghijuan kawasan mangrove it presents levels... Bark is smoth & grey in colour Indo-West Pacific various parts of both plants were collected to Na. Sediments, whereas Rhizophora spp ; Media in category `` Avicennia marina which Avicennia!

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