INFLUENCE OF LOW-FREQUENCY ELECTROMAGNETIC FIELD ON THE VEGETATIVE GROWTH OF GRAPE CV. USLU

2006, 7 (3)   p. 389-396

Alper DARDENIZ, Şemun TAYYAR, Sevil YALÇIN

Abstract

Low-frequency electromagnetic fi eld (ELF) at 50 Hz, 0.15 mT was applied to canes of ‘Uslu’ grape for 5, 10, 15 and 20 minutes. The canes were prepared by cutting them into 50-60 mm one-bud scions. The scions were planted with the density of 40 x 40 mm into propagation boxes. The experiment was arranged in randomized complete blocks design with 4 replicates and each replicate consisted of 15 scions. The parameters of vigour (shoot growth) of the fi rst three weeks, bud-break percentage of the fi rst three weeks, bud-break percentage, vigour, rooting percentage, root development, root weight, number of root, shoot length, shoot weight, number of node, node height, root/shoot weight and shoot + root weight were included in the study. As a result, different durations of 50 Hz frequency resulted in signifi cant differences on mean rooting percentage, mean root development, mean root weight, mean number of root, mean shoot weight and mean shoot+root weight.

Keywords

‘uslu’ grape, low-frequency electromagnetic fi eld, vegetative growth.

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