Effects of magnetic field irradiation on broccoli seed with accelerated aging
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National Polytechnic Institute, SEPI-ESIME “Zacatenco”, Professional Unit ‘Adolfo López Mateos’, Col. Lindavista, México D.F., C.P. 07738, Mexico
Acta Agroph. 2014, 21(1), 63-73
In order to improve the physiological quality of aged broccoli seed (Brassica oleracea var. Waltham29), in this study a variable magnetic field (VMF) of 3.6 mT, 60 Hz by 5min was used as pre-sowing treatment. The accelerated aging treatment was applied for 0, 48 and 72 h (AA0h, AA48h and AA72h) and then the VMF treatment, under a randomised complete block design with 4 replications of 30 seeds. For seeds aged for 72 h a final germination of 20% was obtained, whereas without magnetic stimulation it was null. However, the magnetic bio-stimulation in 48 h aged seeds was significantly negative, reducing the final germination by 45.83% compared to the treatment without magnetic field, while the VMF effects in unaged seed were zero. The variable magnetic field effects depended on the seed aging time, resulting in positive, negative and null outcomes (responses) in vigour variables.
Wpływ działania pola magnetycznego na przyspieszenie starzenia się nasion brokuła
brokuł, zmienne pole magnetyczne, jakość fizjologiczna, biostymulacja
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