EFFECT OF AC AND DC MAGNETIC FIELD ON SEED GERMINATION AND PRIMARY GROWTH OF BRASSICA NAPUS L. SEEDLINGS

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MAJD AHMAD; BAHAR MAHMOUD; ABDI SOHEILA

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Journal: JOURNAL OF DEVELOPMENTAL BIOLOGY Year:2009 | Volume:1 | Issue:1 Page(s): 23-30

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Title

EFFECT OF AC AND DC MAGNETIC FIELD ON SEED GERMINATION AND PRIMARY GROWTH OF BRASSICA NAPUS L. SEEDLINGS

Author(s)

MAJD AHMAD | BAHAR MAHMOUD | ABDI SOHEILA | Issue Writer Certificate

Keywords

MAGNETIC FIELDQ2

GERMINATIONQ2

SEEDLING GROWTHQ3

BRASSICA NAPUSQ2

Abstract

Because of the important role of plants on the earth, studying about the factors affect plant growth is very important. Among these, effects of electric and MAGNETIC FIELDs have attracted considerable attention. In this research we studied the effects of different intensities (3.7mT and 4.5mT) of DC MAGNETIC FIELDs and different intensities (2.7mT and 3.5mT) of AC MAGNETIC FIELDs and exposure times (30, 60 and 90 min) on GERMINATION and primary growth of BRASSICA NAPUS seedlings.In order to do experiences, seeds were divided into four sets and each set to three groups. The treated and untreated seeds were then germinated under an identical condition of the water-bedded Petri-dish in a temperature and relative humidity. The growth factors were measured every day in the same time for a week.Results indicate that the MAGNETIC FIELDs have no significant effect on GERMINATION of BRASSICA NAPUS seeds. The roots length increased about 1.1 times in low magnetic AC fields (without diode) and 1.1-1.2 times in high magnetic DC fields (with diode) compared with that of the untreated seeds. The growth of hypocotyls increased about 1.1 times in field of 2.7 mT (AC), and all exposure times compared with that of control seeds. However an inhibitory effect about 10% to 40 % on hypocotyls growth was shown in the case of AC and DC MAGNETIC FIELDs more than 2.7mT and the maximum inhibitory effect was seen in the field of 3.7mT. The number of axillary’s roots increased about 25% in MAGNETIC FIELD of 4.5 mT compared with that of untreated seeds.The results show that AC and DC MAGNETIC FIELDs used in this research have no significant effect on GERMINATION of BRASSICA NAPUS seeds. However MAGNETIC FIELDs can affect the primary growth of seeds and these effects are altered in different intensity and times of exposure, and also in different states of seeds growth and differentiation.

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APA: Copy

MAJD, AHMAD, BAHAR, MAHMOUD, & ABDI, SOHEILA. (2009). EFFECT OF AC AND DC MAGNETIC FIELD ON SEED GERMINATION AND PRIMARY GROWTH OF BRASSICA NAPUS L. SEEDLINGS. JOURNAL OF DEVELOPMENTAL BIOLOGY, 1(1), 23-30. SID. https://sid.ir/paper/193149/en

Vancouver: Copy

MAJD AHMAD, BAHAR MAHMOUD, ABDI SOHEILA. EFFECT OF AC AND DC MAGNETIC FIELD ON SEED GERMINATION AND PRIMARY GROWTH OF BRASSICA NAPUS L. SEEDLINGS. JOURNAL OF DEVELOPMENTAL BIOLOGY[Internet]. 2009;1(1):23-30. Available from: https://sid.ir/paper/193149/en

IEEE: Copy

AHMAD MAJD, MAHMOUD BAHAR, and SOHEILA ABDI, “EFFECT OF AC AND DC MAGNETIC FIELD ON SEED GERMINATION AND PRIMARY GROWTH OF BRASSICA NAPUS L. SEEDLINGS,” JOURNAL OF DEVELOPMENTAL BIOLOGY, vol. 1, no. 1, pp. 23–30, 2009, [Online]. Available: https://sid.ir/paper/193149/en

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