TITLE

Effects of Pre-soaking Cucurbita Pepo L. (C. Pepo) Seeds in Two Different Concentrations of Epibrassinolide (Eb) on Seed Germination and Seedling Growth

AUTHOR(S)
Sayed, Hala F.; Ibrahim, Hemmat K.; El-Shafey, Azza S.; Hassan, Heba M.
PUB. DATE
October 2009
SOURCE
Australian Journal of Basic & Applied Sciences;2009, Vol. 3 Issue 4, p4465
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Enhanced germination and growth of C.pepo seedling in response to a relatively low concentration of epibrassinolide (EB) was envisaged in terms of increased metabolic activities which were recorded in a decreased content of soluble sugars and polysaccharides of both the cotyledons and the seedling. Moreover, there was a noticeable migration of the soluble nitrogenous fractions, the amino acids and DNA from the cotyledons towards the sinks of the actively growing seedlings in response to the same treatment, in addition to a significant increase in RNA content of both the cotyledons and the seedlings. Accumulation of high level of P,Ca and Mg in cotyledons as a result of seed soaking in relatively low concentration of EB had contributed in enhancing the mobilization of reserves of cotyledons participating in its accessibility to translocation to the developed seedlings. Application of a relatively high concentration of EB retarded seed germination and seedling growth of C.pepo via accumulating carbohydrate fractions in cotyledons and decreasing their availability for growth requirement of seedling. Also this treatment led to amarked decrease in soluble nitrogenous fractions, amino acids,DNA and RNA in both cotyledons and seedling. Moreover, the accumulation of the element Mg,Ca and P in the cotyledons prevented its participation in the metabolic activities dependent on these elements .The change in protein banding pattern of C.pepo cotyledons and seedlings in response to any of the applied concentrations of EB revealed a unique pattern if compared with the control.
ACCESSION #
51366927

 

Related Articles

  • Study of Phytochrome Mediated Seed Germination of Cucurbita pepo L and Citrullus Vulgaris Thunb found in Balochistan. Khan, Afroz R.; Anwar, Muhammad; Khan, Muhammad Javed // International Journal of Basic & Applied Sciences;Apr2013, Vol. 13 Issue 2, p28 

    The role of temperature and light has long been appreciated in the seed germination of plants; especially the control of seed germination by red and far-red light is one of the earliest documented phytochrome mediated processes. The seeds of Cucurbita pepo L germinated ⩾ 15 % when imbibed...

  • The glycoprotein gene of Chrysanthemum stem necrosis virus and Zucchini lethal chlorosis virus and molecular relationship with other tospoviruses. Tatsuya Nagata; Keisiane Carvalho; Rogeria Sodré; Luisa Dutra; Priscila Oliveira; Eliane Noronha; Fernanda Lovato; Renato Resende; Antônio De Ávila; Alice Inoue-Nagata // Virus Genes;Dec2007, Vol. 35 Issue 3, p785 

    Abstract  Two tospoviruses, Chrysanthemum stem necrosis virus (CSNV) and Zucchini lethal chlorosis virus (ZLCV), cause economical losses in several ornamental and vegetable crops in Brazil. The nucleocapsid gene and movement protein sequences had already been reported for both...

  • Hormonal and epigenetic regulation during embryogenic tissue habituation in Cucurbita pepo L. Leljak-Levanić, Dunja; Mrvková, Mihaela; Turečková, Veronika; Pěnčík, Aleš; Rolčík, Jakub; Strnad, Miroslav; Mihaljević, Snježana // Plant Cell Reports;Jan2016, Vol. 35 Issue 1, p77 

    Key message: Habituated embryogenic line of pumpkin contained more CKs and IAA, but less ABA than the non-habituated line. Pronounced hypomethylation correlated with the absence of 2,4-D, addition of 5-azaC, and the process of habituation. Abstract: A comparative analysis between habituated and...

  • Effect of Type and Method of Fertilization on Marrows (Cucurbita pepo L.) Yield and Fruit Quality. Kostova, Denka; Haytova, Dimka; Mechandjiev, Dimitar // American Journal of Experimental Agriculture;2014, Vol. 4 Issue 4, p376 

    Aims: The main aim of this study is to determine the influence of foliar and soil fertilization upon the nutritious value of fruit of marrows and to clarify the opportunity for using Blue tetrazolium chloride (BTC) as a reagent for determination of micro quantities of manganese in plant samples....

  • The Carb Lover's Survival Guide. Good, Brian // Men's Health;Jan/Feb2004, Vol. 19 Issue 1, p96 

    Presents information on alternatives to carbohydrates which contain less calories. Squash for potatoes; Cauliflower for potatoes; Zucchini for noodles.

  • Effect of synthetic cyclopentane β,β′-triketones on amino acid metabolism in roots of buckwheat ( Fagopyrum esculentum Moench.) seedlings. Demina, E.; Tishchenko, L.; Shestak, O.; Novikov, V.; Anisimov, M. // Applied Biochemistry & Microbiology;Jan2009, Vol. 45 Issue 1, p87 

    Germination of buckwheat seeds in solutions of synthetic mono- and tricyclic cyclopentane β,β′-triketones of various concentrations was accompanied by inhibition of seedling root growth and changes in the contents of glutamate, γ-aminobutyric acid, proline, glutamine, and alanine....

  • Free amino acids in walnut kernels and young seedlings. Mapelli, S.; Brambilla, I.; Bertani, A. // Tree Physiology;Nov2001, Vol. 21 Issue 17, p1299 

    We investigated the composition of free amino acids in walnut (Juglans regia L.) seeds (embryo and cotyledons). We also examined xylem transport of free amino acids in young seedlings grown in the absence of external nutrients. A relatively high concentration of free alanine was found in seed...

  • The impact of Some Nutrients Substances on Germination and Growth seedling of Pistacia vera l. Ismail, Omayma M.; Kardoush, Mohamad // Australian Journal of Basic & Applied Sciences;2011, Vol. 5 Issue 5, p115 

    The effect of some plant nutrients substances on germination and growth of some pistachio cultivars (Ashouri-Batouri- Olaimi) were studied during 2008 and 2009. The best result of germination value (germination velocity - germination force) were 7.9 of Olaimi cultivar, also applying (algae...

  • High levels of asparagine synthetase in hypocotyls of pine seedlings suggest a role of the enzyme in re-allocation of seed-stored nitrogen. Cañas, Rafael A.; de la Torre, Fernando; Cánovas, Francisco M.; Cantón, Francisco R. // Planta;Jul2006, Vol. 224 Issue 1, p83 

    A pine asparagine synthetase gene expressed in developing seedlings has been identified by cloning its cDNA ( PsAS1) from Scots pine ( Pinus sylvestris L.). Genomic DNA analysis with PsAS1 probes and a sequence-based phylogenetic tree are consistent with the possibility of more than one gene...

Share

Read the Article

Courtesy of THE LIBRARY OF VIRGINIA

Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics