with the collaboration of Iranian Scientific Association for Landscape (ISAL)

Document Type : Research Article

Authors

Ferdowsi University of Mashhad

Abstract

Introduction: One of the climate change sign is variation in greenhouse gases in the Earth's atmosphere. Carbon dioxide is the most important greenhouse gas that is released into the atmosphere by humans. It is expected that addition of carbon dioxide could effect the energy balance and global climate. Climate change is effective on agricultural productions. It is clear that different plants have different responses to Co2 variation. These responses are consisting of yield, growth characteristic and variation in root/shoot ratio of plants. On the other hand, using growing media are expanding for plants because of their advantages such as plants nutrient control, reducing the incidence of diseases and pests and increasing the quantity and quality rather than soil cultivation. Properties of various materials as substrates influence directly or indirectly on plant growth and crop production., Hydroponic method can be considered as one of the important methods to optimize water use in agriculture, especially in many countries are located in arid and semi-arid regions that have water crisis. Lisianthus is one of the most beautiful flowers with folded petals in white, blue and purple. I-ts scientific name is Eustoma grandiflorum from the family of Gentianaceae and native to North America. It has variety of annual, biennial or short-lived perennial. The aim of this study was to explore the effect of Co2 enrichment on growth response of aboveground and belowground of Eustoma grandiflorum under increasing of Co2 greenhouse gases in hydroponic culture.
Materials and Methods: The experiment was done as a split-plot based on completely randomized experimental design with three replications at greenhouse of Ferdowsi University of Mashhad. The treatments were consists of three concentrations of carbon dioxide (380 as controls, 750 and 1050 ppm) as main plots and two cultivars Yodel white and GCREC-blue as subplots. Some characteristic such as plant height, internode length, root volume, root area, root and shoot dry weight were measured. Data were analyzed by JMP software Version 8 using analysis of variance (ANOVA) and significant differences between means were determined by using LSD test at P < 0.05.
Results and Discussion: The results of analysis of variance indicated that the effect of Co2 treatment was significant (p

Keywords

1- Andalo C.H., Rraquin C.H., Machon N., Godelle B., and Mousseau M. 1998. Direct and maternal of elevated CO2 on early root growth of germination. Arabidopsis thaliana seedling. Annals of Botany, 81: 405- 411.
2- Booker F., Miller J.E., Fiscus E.L., Pursley W.A., and Stefanski L.A. 2005. Comparativ responses of container ground-grown soybean to elevated carbon dioxide and Ozone. Crop Science, 45: 883- 895.
3- Gasemi Gahsare M., and Kafi M. 2007. Scientific and practical floriculture. Golban publication. Iran.
4- Goldani M., Nasiri mahalati M., and Shoor M. 2011. The effect of Co2 enrichment on growth index in Sesamum indicum and Amaranthus retroflexus L and their Competition. Agronomy journal, 3(3): 362-374. (in Persian)
5- Griffin K.L., Bashkin M.A., Thomas R.B., and Strain B.R. 1997. Interactive effects of soil nitrogen and atmospheric carbon dioxide on root/rhizosphere carbon dioxide efflux from loblolly and ponderosa pine seedlings. Plant and Soil, 190: 11-18.
6- Cosins A.B., Adam N.R., Wall G.W., Kimball B.A., Pinterjr P.J., Leavit S.W., Lamorte R.L., Matthias A.D., Ottman M.J., Thompson T.L., and Webber A.N. 2001. Reduced photorespiration and increased energy-use efficiency in young CO2 enriched sorghum leaves. New Phytologist, 150: 275-284.
7- Jablonski L.M., Xianzhong W., and Curtis P.S. 2002. Plant reproduction under elevated CO2 conditions: a metaanalysis of reports on 79 crop and wild species. New Phytologist, 156:9-26.
8- Kamali M., Shoor M., Goldani M., Selahvarzi Y., and Tehranifar A. 2011. The effect of Carbone dioxide enrichment on some morphological traits of Gomphrena globosa under salt stress. 7th congress of horticultural science. Isfahan. Iran.
9- Kimball B.A., Kobayashi K., and Bindi M. 2002. Responses of agricultural crops to free air CO2 enrichment. Advances in Agronomy, 77, 293-368.
10- Maloupa E., Mitsios I., Martinez P. F., and Bladenopoulou S. 1992. Study of substrate use in gerbera soilless culture grown in plastic greenhouse. Acta Horticulturae, 323: 139-144.
11- Mason J. 2000. Commercial Hyroponic. Thorsons Publishers Limited.
12- Mortensen L.M. 1986. Effect of relative humidity on growth and flowering of some greenhouse plants. Scientia Horticulturae, 29: 301-307.
13- Mortensen L.M. 1987. Co2 enrichment in greenhouses.crop responses. Scientia Horticulturae, 33:1-25.
14- Norian M.A. 2004. Climate change crisis is National or global. Bolton Water Commission, 13: 9-13.
15- Pritchard S.G., Stephen A., Prior B., Rogers H.H., Micheal B., Davis A., Runion B., Thomas G., and Popham W. 2006. Effects of elevated atmospheric CO2 on root dynamics and productivity of sorghum grown under conventional and conservation agricultural management practices. Agriculture, Ecosystems and Environment, 113: 175– 183.
16- Saberi Z. 2006. The application of Zeolite, Mica and some natural material as growth bed for Solanum lycopersicum in hydroponic culture. Soil Science Master's Thesis, College of Agriculture, Isfahan University of Technology.(in Persian)
17- Savithri P., and Khan H. H. 1993. Characteristics of coconut coir peat and its utilization in agriculture. Journal of Plant Crop, 22: 1-18.
18- Shoor M., Goldani M., and Mandani F. 2009. The effect of increasing of Co2 on morphological and physiological of Tagets spp, Ageratum spp, Gaillaria spp leaves in greenhouse condition. Agronomy journal, 1(2): 101- 108.(in Persian)
19- Verdonck O., De Vleeschauwer D., and De Boodt M. 1982. The influence of the substrates to plant growth. Acta Horticulturae, 126: 251-258.
20- Wang Y., Du S.T., Li L.L., Huang L.D., Fang P., Lin X.Y., Zhang Y.S., and Wang H.L. 2009. Effect of CO2 Elevation on Root Growth and Its Relationship with Indole Acetic Acid and Ethylene in Tomato Seedlings. Pedosphere, 19: 570- 576.
21- Zavare M., Rahimian Mashadi H., Hugnbum G., Tavakol Afshari R., Nasiri mahalati M., and Sharif zade F. 2006. The effect of temperature and increasing of Co2 On dry matter partitioning to root in iranian genotype of Sesamum indicum L. iranian agricultural science Journal, 37: 145-156.(in Persian)
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