Gompherena globosa L.

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1 Journal of Water and Soil Vol. 25, No. 6, Jan-Feb 2012, p ( ) (Gomphrena globosa L.) * /4/12 : 90/7/10 : Gomphrena L.). (globosa ( ( ) 0) ( ( ) 380) ( ). %5 % : : /2 25.(1) (4) 2250 ). (.(3) Gompherena globosa L. 6...(14) : -*) Amaranthaceae

2 (6) (25).(32 20) 680 (15) (2) (39) (33). (34).( ) C 4.(29) (41).(27). Amaranthus.(48) 25 retroflexus Amaranthus Hypochondriacus.(48) b a.(14)....(3).. 6 1/8.(30) 2 1.(45) 4 3.(45) 4 1/8 (45). (23) (24). (19).. (5)..(37) (36)..(14)..(6) ds/m 2- Eustoma grandiflorum (Lisiamthus) 3- Hippeastrum hybridum 4- Ornithogalum arabicum

3 ) 150 ( ) 0) ( ( ( ) 300 ( ).. 1 :1 :2 : :.... (AZ77535 ) : :

4 (Model Li-Cor 1300,USA) 2 1. : EXCEL MSTATC. % 5 LSD %5 1. %1 1 5 ).(1 ). ( 300 mm. 75/9 75/6.(2 ) 1050) /14 (.(2 ) (2 1 )...(11). (12) 1- Prometer 2- Spad

5 (14)..(1 ) 300.(2 ) /8 3/9..(26)...(9).(1 ) %1 300 (2 ) / ( 380) 700.(3 ) Solanum muricatum Ait. Spartina densiflora (41).(21) (33) (35) %60 ) 1 5 (2 ).( / /9 (42).. 1 ALA. ALA. Spartina densiflora 380) 510.(21) ( 700 (31) Aminolaevulinic acid

6 c a b (g/plant) e d e f e e 380 ppm 700 ppm 1050 ppm (mm) -1 (g/plant) a ab b cd c d e f e 380 ppm 700 ppm 1050 ppm (mm) -2.(1 ) %1 (p<0.01) (44) ). 31 (

7 (31) (31) (48).(47). 50 (1 ) % (3 ) (10) (34).(p < 0.01). %5. (19).(22) ) (22). ( (40).. (33) (34) (48) (17).. % /24.(8) Euphorbia pulcherrima 2- Aphelandra squarrosa

8 (46).(34) ( 0) (1 ) (43) K/Na. (12) (7) (1 ) (cm) (cm 2 ) (mm) (ppm) 13 b 24/ 50b 710 / 753 a 82 / 66 b 0 5 /33 de 13/ 60cd 162 / 376 d 51 de /33 g 9 / 16 e 18/ 163e 17 / 33 f /5 a 24 / 33 b 703 / 353 a 93 / 66 a 0 6 d 15/ 50c 249 / 23 c 54 / 66 d /66 ef 13 cd 179 / 086 d 44 / 66 e /33 c 31 a 555 / 69 b 67 / 33 c 0 7 /33 cd 22 / 66 b 159 / 793 d 56 / 66 d /50fg 12 de 60 / 343 e 21 / 33 f 300 LSD (p < 0.05) Aeluropus littoralis 2- Begonia hiemalis 3- Campanula isophylla 4- Magnolia sieboldii 5- Peperomia glabella

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11 Journal of Water and Soil... Vol. 25, No. 6, Jan-Feb 2012, p ( ) Interaction Effect of Irrigation with Saline water and CO 2 Enrichment on some Morphophysiological Characteristics of Gomphrena globosa L. M. Kamali 1* - M. Shoor 2 - M. Goldani 3 - Y. Selahvarzi 4 - A. Tehranifar 5 Received: Accepted: Abstract To evaluate the effects of various concentration of carbon dioxide and irrigation witrh saline water on plant growth characteristics of Gomphrena globosa L. an experiment with three levels of CO 2 (380, 700, 1050 ppm) and three concentrations of sodium chloride (0,150, 300 mm) was conducted as a spilet plot experiment based on completely randomized design with 3 replications in Faculity of Agriculture Ferdowsi University of Mashhad. The results showed that increasing salinity to 300 mm reduced all the traits measured significantly. Increasing concentrations of carbon dioxide caused significant differences in traits such as shoot dry weight, plant height and leaf area. Interaction effects of salinity and carbon dioxide was significant in root dry weight, leaf number, leaf area, plant height and flower number at 1% probability level and in shoot dry weight at 5% level of probability. Thus in control salinity (0 mm sodium chloride), with increasing carbon dioxide to 700 ppm, shoot dry weight, flower number and leaf number increased 19, 19 and 13% respectively compared to 380 ppm treatment. And increasing carbon dioxide to 1050 ppm improved plant height 26% compared to 380 ppm treatment. the results showed that increasing concentrations of carbon dioxide improves adverse effects of salinity. so that this ornamental plant indicated a better reaction to salinity in concentration of 700 ppm of carbon dioxide. Keywords: Flower number, Leaf area, leaf number, Plant height, Shoot dry weight 1,2,5- MSc Student, Assistant Professor and Associate Professor, Department of Horticulture Science, Faculty of Agriculture, Ferdowsi University of Mashhad, Respectively (*- Corresponding Author 3- Assistant Professor Department of Agronomy and Plant Breeding, Faculty of Agriculture, Ferdowsi University of Mashhad 4- Instructor, Center of Pomegranate Research of Ferdowsi University of Mashhad