TY - JOUR AU - Tombarkiewicz, Barbara AU - Możdżeń, Katarzyna AU - Kanik, Weronika AU - Bojarski, Bartosz AU - Pawlak, Krzysztof AU - Lis, Marcin PY - 2019/03/30 Y2 - 2024/03/28 TI - Effects of geomagnetic field deprivation on germination and early growth of maize variety San (Zea mays L. cv. San) JF - Polish Journal of Agronomy JA - pja VL - 36 IS - 36 SE - Artykuły DO - 10.26114/pja.iung.373.2019.36.01 UR - https://redakcjapja.iung.pl/index.php/pja/article/view/64 SP - 3-7 AB - <p><span style="left: 154.056px; top: 486.01px; font-size: 15px; font-family: serif; transform: scaleX(1.05364);">The geomagnetic field (GMF) represents one of the </span><span style="left: 94.491px; top: 504.01px; font-size: 15px; font-family: serif; transform: scaleX(1.03126);">major environmental factors which may suffer either natural or </span><span style="left: 94.491px; top: 522.01px; font-size: 15px; font-family: serif; transform: scaleX(1.01449);">anthropogenic disturbances. According to available literature </span><span style="left: 94.491px; top: 540.01px; font-size: 15px; font-family: serif; transform: scaleX(1.02769);">data, many plants species responds to GMF changes and its ab</span><span style="left: 479.256px; top: 540.01px; font-size: 15px; font-family: serif;">-</span><span style="left: 94.491px; top: 558.01px; font-size: 15px; font-family: serif; transform: scaleX(1.03207);">normalities can adversely affect live organisms. The aim of the </span><span style="left: 94.491px; top: 576.01px; font-size: 15px; font-family: serif; transform: scaleX(0.999822);">study was to investigate the influence of GMF deprivation on se</span><span style="left: 479.256px; top: 576.01px; font-size: 15px; font-family: serif;">-</span><span style="left: 94.491px; top: 594.01px; font-size: 15px; font-family: serif; transform: scaleX(0.988386);">lected morphological and physiological parameters of maize vari</span><span style="left: 479.256px; top: 594.01px; font-size: 15px; font-family: serif;">-</span><span style="left: 94.491px; top: 612.01px; font-size: 15px; font-family: serif; transform: scaleX(0.974555);">ety San (</span><span style="left: 146.451px; top: 612.01px; font-size: 15px; font-family: serif; transform: scaleX(0.974654);">Zea mays</span><span style="left: 202.851px; top: 612.01px; font-size: 15px; font-family: serif; transform: scaleX(0.982989);"> L. cv. San). The examined parameters included </span><span style="left: 94.491px; top: 630.01px; font-size: 15px; font-family: serif; transform: scaleX(1.00979);">germination capacity, seedling growth, fresh and dry weight, the </span><span style="left: 94.491px; top: 648.01px; font-size: 15px; font-family: serif; transform: scaleX(1.05551);">water content and the level of disorganization of seedling cell </span><span style="left: 94.491px; top: 666.01px; font-size: 15px; font-family: serif; transform: scaleX(1.00046);">membranes.</span><span style="left: 118.113px; top: 684.01px; font-size: 15px; font-family: serif; transform: scaleX(1.00031);">The </span><span style="left: 147.558px; top: 684.01px; font-size: 15px; font-family: serif; transform: scaleX(1.04402);">obtained results suggest that GMF deprivation caused </span><span style="left: 94.492px; top: 702.01px; font-size: 15px; font-family: serif; transform: scaleX(1.00261);">a reduction of germination capacity of maize. Moreover, roots of </span><span style="left: 94.492px; top: 720.01px; font-size: 15px; font-family: serif; transform: scaleX(1.00065);">seedlings growing under disturbed GMF conditions (GMF inten</span><span style="left: 479.257px; top: 720.01px; font-size: 15px; font-family: serif;">-</span><span style="left: 94.492px; top: 738.01px; font-size: 15px; font-family: serif; transform: scaleX(1.01021);">sity approx. 12 μT) were significantly longer as compared to the </span><span style="left: 94.492px; top: 756.01px; font-size: 15px; font-family: serif; transform: scaleX(1.01638);">control group (GMF intensity approx. 38–42 μT). Fresh weight, </span><span style="left: 94.492px; top: 774.01px; font-size: 15px; font-family: serif; transform: scaleX(1.00806);">dry weight, and coleoptiles length showed no differences among </span><span style="left: 94.492px; top: 792.01px; font-size: 15px; font-family: serif; transform: scaleX(1.00265);">the groups. However, significantly lower electrolyte leakage was </span><span style="left: 94.492px; top: 810.01px; font-size: 15px; font-family: serif; transform: scaleX(1.00042);">observed in maize seedlings of the experimental group.</span></p> ER -