Morphological Features of Winter Rape Cultivars Depending on the Applied Growth Stimulators

Anna Sikorska (), Marek Gugała, Krystyna Zarzecka, Łukasz Domański and Iwona Mystkowska
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Anna Sikorska: Department of Agriculture, Vocational State School of Ignacy Mościcki in Ciechanów, ul. Narutowicza 9, 06-400 Ciechanów, Poland
Marek Gugała: Faculty of Agrobioengineering and Animal Husbandry, University of Natural Sciences and Humanities in Siedlce, ul. Prusa 14, 08-110 Siedlce, Poland
Krystyna Zarzecka: Faculty of Agrobioengineering and Animal Husbandry, University of Natural Sciences and Humanities in Siedlce, ul. Prusa 14, 08-110 Siedlce, Poland
Łukasz Domański: Faculty of Agrobioengineering and Animal Husbandry, University of Natural Sciences and Humanities in Siedlce, ul. Prusa 14, 08-110 Siedlce, Poland
Iwona Mystkowska: Department of Dieteties, Pope John Paul II State School of Higher Education in Biała Podlaska, ul. Sidorska 95/97, 21-500 Biala Podlaska, Poland

Agriculture, 2022, vol. 12, issue 10, 1-12

Abstract: Currently, in agricultural engineering, plant growth regulators or biostimulants, immunity stimulants or bacterial vaccines are becoming standard elements in the production technology of many types of field, fruit and vegetable crops. The research was based on a three-year field experiment carried out in 2018–2021 at the Agricultural Experimental Station of northeastern Poland. The aim of the research was to determine the effect of biostimulators containing microorganisms and micro and macro elements, phosphorus and potassium and silicon on the morphological features of the leaf rosette and the increase in fresh and dry mass of the above-ground part of the rosette and the root system of three winter rape cultivars. The conducted research showed that the application of the organic preparation Ugmax significantly increased the number of rosette leaves (by an average of 13.9%), the length of the tap root (by an average of 2.3 cm), root neck diameter (by an average of 4.2%), fresh and dry weight of the above-ground part of the rosette (by an average of 6.0% and 6.6%) and fresh weight of the root system (by an average of 0.88 g) compared to the control variant. The hybrid morphotypes that were restored compared to the population cultivar Chrobry were characterized by a weaker autumn development of the leaf rosette.

Keywords: Brassica napus; Ugmax; bioregulator; leaf rosette; morphotype (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2022
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