EVALUATION OF LEAD STRESS ON SEEDLINGS GROWTH AND ESTABLISHMENT OF THE BERMUDAGRASS

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TAGHIZADEH M.; SOLGI E.

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Journal: JOURNAL OF PLANT ECOSYSTEM CONSERVATION Year:2016 | Volume:4 | Issue:8 Page(s): 63-75

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Information Journal Paper

Title

EVALUATION OF LEAD STRESS ON SEEDLINGS GROWTH AND ESTABLISHMENT OF THE BERMUDAGRASS

Author(s)

TAGHIZADEH M. | SOLGI E. | Issue Writer Certificate

Keywords

SEEDQ2

GERMINATIONQ2

HEAVY METALQ2

RESISTANCEQ2

PB(NO)3Q2

Abstract

Lead (Pb) is one of the HEAVY METAL pollutants in the environment. Various concentrations of lead in the GERMINATION stage were applied to the plant in order to evaluate the effect of Lead stress in different growth stages of bermudagrass and phonology. Concentrations of lead nitrate solution were at 0, 20, 40, 80, 100, 150 and 300 mg L -1applied on GERMINATION stage. Then GERMINATION indices such as the percentage of SEED GERMINATION, root and shoot length of SEEDling and etc were assessed. After the adaptation of the plants to the habitat, to evaluate the refining ability and other developmental traits, irriagation with a concentration of 800 ppm of lead nitrate was carried out. The results showed that Pb stress at 20-300 mg L-1 concentrations dramatically decreased the GERMINATION and SEED vigor. In addition, this irriagation reduced shoot and root length at 40-300 mg L-1 concentrations compared with the control. Lead stress in the early stages of bermudagrass growth stage had effects on some traits of establishment stage. These effects were in such a way that in the next developmental stage, the plants produced shorter and wider leaves (0.7 less and 1.6 more respectively), longer stolon and more stolon number compared with the control in later growth stages. Bermudagrass was sensitive to concentrations of lead in early stage of growth and GERMINATION. SEEDling growth was limited, but after the plants have been established, they could show tolerance towards a number of mechanisms such as the development of stolons to the lead stress.

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APA: Copy

TAGHIZADEH, M., & SOLGI, E.. (2016). EVALUATION OF LEAD STRESS ON SEEDLINGS GROWTH AND ESTABLISHMENT OF THE BERMUDAGRASS. JOURNAL OF PLANT ECOSYSTEM CONSERVATION, 4(8), 63-75. SID. https://sid.ir/paper/259597/en

Vancouver: Copy

TAGHIZADEH M., SOLGI E.. EVALUATION OF LEAD STRESS ON SEEDLINGS GROWTH AND ESTABLISHMENT OF THE BERMUDAGRASS. JOURNAL OF PLANT ECOSYSTEM CONSERVATION[Internet]. 2016;4(8):63-75. Available from: https://sid.ir/paper/259597/en

IEEE: Copy

M. TAGHIZADEH, and E. SOLGI, “EVALUATION OF LEAD STRESS ON SEEDLINGS GROWTH AND ESTABLISHMENT OF THE BERMUDAGRASS,” JOURNAL OF PLANT ECOSYSTEM CONSERVATION, vol. 4, no. 8, pp. 63–75, 2016, [Online]. Available: https://sid.ir/paper/259597/en

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