EVALUATING THE IMPACT OF SALINITY AND DROUGHT STRESSES ON A NUMBER OF GERMINATION FACTORS OF A RANGELAND SPECIES (SEDLITZIA ROSMARINUS)

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SOLEIMANI H.; RASHIDFAR M.

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Journal: PLANT AND ECOSYSTEM Year:2013 | Volume:9 | Issue:36 Page(s): 17-29

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Information Journal Paper

Title

EVALUATING THE IMPACT OF SALINITY AND DROUGHT STRESSES ON A NUMBER OF GERMINATION FACTORS OF A RANGELAND SPECIES (SEDLITZIA ROSMARINUS)

Author(s)

SOLEIMANI H. | RASHIDFAR M. | Issue Writer Certificate

Keywords

STRESSQ2

SALINITYQ2

DROUGHTQ2

DROUGHT STRESSQ2

SALINITY STRESSQ2

SEDLITZIA ROSMARINUSQ2

Abstract

The present experiment was carried out to evaluate the tolerance of SEDLITZIA ROSMARINUS against SALINITY and DROUGHT STRESSes that resulted from polyethylene glycol (PEG) and NaCl during germination and the early seedling stages of plant development. This study was conducted in the research laboratory of the Faculty of Agriculture in Islamic Azad University, Pishva-Varamin in the summer of 2010. The seeds under study were collected by the assistance of the research centre of Kashan during 2010. The pace and percentage of germination as well as the length of rootlet were measured as the significant parameters. The study was conducted following a completely randomized factorial design including DROUGHT treatment with polyethylene glycol 6000 (PEG6000) at five levels and SALINITY treatment at six levels with three replications. Data obtained from the last days of the experiment were analyzed. The results indicated that increasing the SALINITY and DROUGHT STRESSes generally reduces the growth indices. It was observed that the length of root decreases parallel with an increase in DROUGHT STRESS up to the third treatment. After that, the length of rootlet increases with an increase in DROUGHT STRESS. Similar results were also obtained from the SALINITY STRESS. However, the degree of the changes was not as significant as those of DROUGHT STRESS. The same condition also exists for the percent and pace of germination. Hence, it can be claimed that the interaction effect of SALINITY and DROUGHT significantly affected the length of rootlet, plumule, and germination at different levels. In addition, an increase in SALINITY and DROUGHT STRESSes explicitly reduces the page of germination and the length of rootlet and plumule.

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APA: Copy

SOLEIMANI, H., & RASHIDFAR, M.. (2013). EVALUATING THE IMPACT OF SALINITY AND DROUGHT STRESSES ON A NUMBER OF GERMINATION FACTORS OF A RANGELAND SPECIES (SEDLITZIA ROSMARINUS). PLANT AND ECOSYSTEM, 9(36), 17-29. SID. https://sid.ir/paper/145453/en

Vancouver: Copy

SOLEIMANI H., RASHIDFAR M.. EVALUATING THE IMPACT OF SALINITY AND DROUGHT STRESSES ON A NUMBER OF GERMINATION FACTORS OF A RANGELAND SPECIES (SEDLITZIA ROSMARINUS). PLANT AND ECOSYSTEM[Internet]. 2013;9(36):17-29. Available from: https://sid.ir/paper/145453/en

IEEE: Copy

H. SOLEIMANI, and M. RASHIDFAR, “EVALUATING THE IMPACT OF SALINITY AND DROUGHT STRESSES ON A NUMBER OF GERMINATION FACTORS OF A RANGELAND SPECIES (SEDLITZIA ROSMARINUS),” PLANT AND ECOSYSTEM, vol. 9, no. 36, pp. 17–29, 2013, [Online]. Available: https://sid.ir/paper/145453/en

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