[1] Ober D 2003. Chemical ecology of alkaloids explified with the pyrrolizidiner In: J. T. Romeo, Ed., Intergrativephytochemistry: from Ethuo Botany to Molcular Ecology. 37. Pergmon, Amsterdam 203-230.
[2] Joy PP, Thomas J, Mathew S and Skaria BP 1998. Medicinal plant. Kerala Agricultural University, India.
[3] Ferreres, F,PereiraDM, ValentPC,AndradePB,SeabraRM and MayorMS 2008. New phenolic compounds and Antioxidant potential of Catharanthusroseus.J.Agric. food chem. American chemical Society, 56(21):9967-9974.
[4] Verpoort R, Van D H and MorenoP R H 1997. Biosynthesis of plant secondary metabolites. phytochem. Rev. 1 (1) :13-25.
[5] Al-Asadi M H S 2018. The basics of medicinal plants and their effective compounds. House of Books and Documents / Baghdad, Republic of Iraq.
[6] Al-Khafaji M A 2014. Plant growth regulators, their horticultural applications and uses. University House for printing, publishing and translation. Baghdad University. Ministry of Higher Education and Scientific Research. -The Republic of Iraq.
[7] Khalil A A, Osman E A M and Zahran F A F 2008. Effect of amino acids and micronutrients foliar application on growth, yield and its components and chemical characteristics. J. Agric. Sci. Mansoura Univ.33(4):3143-3150.
[8] Abd El-Aziz N G and Balbaa L K 2007. Influence of tyrosine and zinc on growth, flowring and chemical constituents of Salvia farinacea plants. J. of APP.Sci.Res.3(11):1479-1489.
[9] Al-Rawi K M and Khalaf Allah A A M 2000. Design and analysis of agricultural experiments, Ministry of Higher Education and Scientific Research, University of Mosul, Iraq.
[10] Oksal AIHDumanoglu and GunesNT1999.The Effect of different amino acid chelate foliar fertizers on yield,fruitquality,shoot growth and Fe,Zn,Cu,Mn content of leaves in williams pear.
[11] Abu Zeid E N 2000. Plant Hormones and Agricultural Applications, Arab House for Publishing and Distribution. The National Research Center, Cairo: 103-63.
[12] Moore S T 1982. Plant hormones, their physiology and biochemistry. Translated by Abdul MuttalibSayed Muhammad. College of Science, University of Mosul, Ministry of Higher Education and Scientific Research: 116-87.
[13] Attia H J, Khudair J and Abbas K 1999. Plant Growth Regulators Theory and Application. House of Books for Printing. University of Baghdad: 18-11.
[14] Hayat S and Ahmad A 2011.Brassinosteroids: A class of plant Hormone. Springer Scince.
[15] MahgoubM,El-Ghorab H A H and BakhetaMA2006. Effect of some bioregulators on the endogenous phytohormones,chemical composition,essential oil and its antioxidant activity of carnation (Dianthuscaryophyllus L.) .J.Agric. Sci., Mansoura Univ., 31:4229-4245.
[16] ColemanJR 2000.Carbonic anhydrase and its role in photosynthesis.In RC Leegood, TD Sharky, and S. von Cammerer (Eds) photosynthesis:physiology and Kluwer Academic publishers, Dordrechet.pp.353-367.
[17] MandavaNB,Sasse JM and Yopp JH1981.Brassinolide,a growth promoting steroidal locton.II. Activity in selected gibberellins and cytokinin bioassays.physiol.plant.53:453-461.