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  • Effect of air-borne salinity on the growth and appearance of the tropical perennial strandline plant, Commelina erecta subsp. maritima (C.V. Morton) C.V. Morton.

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    Author(s) : Otitoloju, K.

    Author Affiliation : Department of Plant Science & Biotechnology, Adekunle Ajasin University, Akungba Akoko, Ondo State, Nigeria.

    Author Email : kekereekunnoi@yahoo.com

    Journal article : Sustainable Agriculture Research 2014 Vol.3 No.2 pp.77-88 ref.36

    Abstract : Selection of salt spray tolerant plantsplantsSubject Category: Organism Names
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    with good physical appearance is of concern to ornamental growers in coastal communities. Commelina erecta subsp. maritima (C.V. Morton) C.V. Morton is a seashore plant that is widely distributed along the coast of West Africa. Therefore, the effect of salt spray was examined on the plant in a greenhouse experiment to determine its responses to various levels of air-borne salinitysalinitySubject Category: Properties
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    and to have an insight in the ecophysiological adaptations underlying these responses. It was also aimed to determine if varying levels of salt spray differentially damaged the plant. Filtered seawater was used to spray potted plants at: two sprays per week (2SS), four sprays per week (4SS) or six sprays per week (6SS) while in the control treatment (CSS), plants were sprayed with deionized water. Plants sprayed with seawater did not differ significantly (p>0.05) in percentage necrotic leaf area compared to the control. All the plants survived but growthgrowthSubject Category: Natural Processes
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    was inhibited by salt spray. Salt spray caused a significant (p<0.05) reduction in leaf size and total chlorophyll content. Salt was accumulated in the shoot of salt-sprayed plants which led to ion toxicity. Salt sprays led to reduction in amount of essential nutrients in plant parts. C. erecta subsp. maritima adjusted osmotically to salt stress and increased stem succulence for ion dilution. The growth of the plant was negatively affected by salt sprays but it showed no significant necrotic damage, hence it is suitable for use as a landscaping plant in coastal beaches.

    ISSN : 1927-050X

    URL : http://www.ccsenet.org/.../20166

    Record Number : 20143196960

    Publisher : Canadian Center of Science and Education

    Location of publication : Toronto

    Country of publication : Canada

    Language of text : English

    Indexing terms for this abstract:

    Organism descriptor(s) : Commelina erectacommelina erectaSubject Category: Organism Names
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    , Commelina erecta subsp. maritimacommelina erecta subsp. maritimaSubject Category: Organism Names
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    Descriptor(s) : application ratesapplication ratesSubject Category: Properties
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    , growthgrowthSubject Category: Natural Processes
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    , salinitysalinitySubject Category: Properties
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    , stressstressSubject Category: Miscellaneous
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    , stress responsestress responseSubject Category: Miscellaneous
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    Broader term(s) : CommelinacommelinaSubject Category: Organism Names
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    , CommelinaceaecommelinaceaeSubject Category: Organism Names
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    , CommelinalescommelinalesSubject Category: Organism Names
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    , commelinidscommelinidsSubject Category: Organism Names
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    , monocotyledonsmonocotyledonsSubject Category: Organism Names
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    , angiospermsangiospermsSubject Category: Organism Names
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    , SpermatophytaspermatophytaSubject Category: Organism Names
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    , plantsplantsSubject Category: Organism Names
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    , eukaryoteseukaryotesSubject Category: Organism Names
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    , Commelina erectacommelina erectaSubject Category: Organism Names
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