TY - JOUR AU - Sułek, Alicja AU - Ogórkiewicz, Monika PY - 2020/12/30 Y2 - 2024/03/29 TI - Impact of sowing depth and seed size on the dynamics of germination and productivity of spring wheat JF - Polish Journal of Agronomy JA - pja VL - 43 IS - 43 SE - Artykuły DO - 10.26114/pja.iung.421.2020.43.06 UR - https://redakcjapja.iung.pl/index.php/pja/article/view/103 SP - 63-69 AB - <p><span style="left: 154.056px; top: 469.475px; font-size: 15px; font-family: serif; transform: scaleX(1.00813);"> In the years of 2013–2014, pot experiments were </span><span style="left: 94.4882px; top: 487.475px; font-size: 15px; font-family: serif; transform: scaleX(1.02937);">conducted to determine the influence of sowing depth and seed </span><span style="left: 94.4882px; top: 505.475px; font-size: 15px; font-family: serif; transform: scaleX(1.00819);">size on the dynamics of spring wheat emergence and yields. The </span><span style="left: 94.4882px; top: 523.475px; font-size: 15px; font-family: serif; transform: scaleX(0.983048);">study was carried out in Mitscherlich pots using the random block </span><span style="left: 94.4882px; top: 541.475px; font-size: 15px; font-family: serif; transform: scaleX(0.99556);">method, in four replications. The experiment included spring </span><span style="left: 94.4882px; top: 559.475px; font-size: 15px; font-family: serif; transform: scaleX(1.01677);">wheat cultivar Tybalt. The first factor of the experiment was the </span><span style="left: 94.4882px; top: 577.475px; font-size: 15px; font-family: serif; transform: scaleX(1.05806);">sowing depth of seeds (1, 3, 5, 7 cm), while the second factor </span><span style="left: 94.4882px; top: 595.475px; font-size: 15px; font-family: serif; transform: scaleX(1.03737);">was the seed yield. Four levels of the second factor were taken </span><span style="left: 94.4882px; top: 613.475px; font-size: 15px; font-family: serif; transform: scaleX(0.991709);">into account: a1 – certified material (purchased), a2 – small-sized </span><span style="left: 94.4882px; top: 631.475px; font-size: 15px; font-family: serif; transform: scaleX(1.04158);">seeds (1.8 – 2.2 mm), a3 – medium seeds (2.2 – 2.5 mm), a4 – </span><span style="left: 94.4882px; top: 649.475px; font-size: 15px; font-family: serif; transform: scaleX(1.00237);">large seeds (&gt; 2.5 mm). Adequate size of seeds for the study was </span><span style="left: 94.4882px; top: 667.475px; font-size: 15px; font-family: serif; transform: scaleX(1.00591);">ensured by sorting out of the certified material on Vogel screens. </span><span style="left: 94.4882px; top: 685.475px; font-size: 15px; font-family: serif; transform: scaleX(1.05118);">The research showed the joint impact of seed size and sowing </span><span style="left: 94.4882px; top: 703.475px; font-size: 15px; font-family: serif; transform: scaleX(1.05684);">depth on grain yield formation, number of plants and ears per </span><span style="left: 94.4882px; top: 721.475px; font-size: 15px; font-family: serif; transform: scaleX(1.00402);">pot and production tillering. The application of the sowing depth </span><span style="left: 94.4882px; top: 739.475px; font-size: 15px; font-family: serif; transform: scaleX(1.01499);">of 7 cm resulted in a significant decrease in grain yield from the </span><span style="left: 94.4882px; top: 757.475px; font-size: 15px; font-family: serif; transform: scaleX(1.00969);">pot of all seed fractions, especially the smallest fraction of seeds </span><span style="left: 94.4882px; top: 775.475px; font-size: 15px; font-family: serif; transform: scaleX(1.01197);">(1.8 – 2.2 mm). The variant of sowing large seeds (&gt; 2.5 mm) at </span><span style="left: 94.4882px; top: 793.475px; font-size: 15px; font-family: serif; transform: scaleX(1.03386);">the depth of 3 cm turned out to be the most beneficial for grain </span><span style="left: 94.4882px; top: 811.475px; font-size: 15px; font-family: serif; transform: scaleX(1.00049);">yield.</span></p> ER -