Phyllochron estimates on agronomic potential and physiological quality of millet

Authors

DOI:

https://doi.org/10.5747/ca.2023.v19.h517

Keywords:

dry mass, Pennisetum glaucum (L.) R.Br, plant morphological characterization, thermal sum

Abstract

Millet is largely explored for a diversity of applications. The use of millet high-quality seeds is essential to increase grain yield. Accordingly, the purpose of this study was to evaluate the yield variability of millet plants from higher and lower-quality seeds in the expression of dry matter yield parameters. The study was conducted in the experimental and didactic area of IFRS - campus Ibirubá, Rio Grande do Sul, Brazil, with a completely randomized design. The treatments were plants from seeds of higher (HQS) and lower (LQS) quality and two season crops (2015/16 and 2017/18) in eight replications. The emergence speed was applied to identify plants from seeds of different qualities. The phyllochron, leaf number, height, stem diameter, number of nodes, and dry mass yield were the agronomic components evaluated for this study. Meteorological information was used to calculate phyllochron, water deficit, and average temperature. The collected data were submitted for analysis of variance and the Tukey test at a 5% probability of error. The HQS expressed lower phyllochron and most significant agronomic components. Furthermore, the 2015/16 crop had the lowest water deficit and obtained the best results.

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Author Biographies

  • Eng., Universidade Federal do Rio Grande do Sul

    Graduated in Agronomy from the Federal Institute of Education, Science and Technology of Rio Grande do Sul - Campus Ibirubá (2020). Master's student (2020/1) in the Graduate Program in Phytotechnics at the Federal University of Rio Grande do Sul, with an area of concentration in Genetic Resources, Biotechnology, and Plant Breeding. Has experience in research with soybean, wheat, black and white oat, forage sorghum and millet seeds, crop rotation, and nutrient sources, has taught short courses based on seed quality analysis, and has participated in oral presentations and field days.

  • Dr., Instituto Federal de Educação, Ciência e Tecnologia do Rio Grande do Sul

    Degree in Agronomy from the Federal University of Santa Maria (2006), Agricultural Technician from the Federal Agrotechnical School of São Vicente do Sul, Master, and Doctor in Science from the Postgraduate Program in Seed Science and Technology at the Federal University of Pelotas. Has experience in Agronomy, with emphasis on Seed Science and Technology, Management and Cultural Practices, and Physiology of Cultivated Plants, working mainly on the following topics: physiological quality of seeds and crop performance, seed treatment, crop management, and post-harvest grains and seeds. He is currently a Professor at the Federal Institute of Education, Science and Technology of Rio Grande do Sul, IFRS Campus Ibirubá, responsible for the Coordination of the Technical Course in Agriculture 2011-2012, Grain Production 2012-2013, Extension Coordination 2013-2015, Coordinator of the Agronomy Course from February 2016 to January 2021.

  • Dr., Universidade Federal de Santa Maria

    Agronomist from the Federal University of Santa Maria - UFSM (2008). Master in Agricultural Engineering - UFSM (2010). Ph.D. in Agricultural Engineering - UFSM (2013), with a sandwich doctoral period at the Technical University of Lisbon, Portugal. Graduated in the Special Graduation Program for the training of teachers for professional education at UFSM. He was a researcher at the State Agricultural Research Foundation (FEPAGRO) in the area of Irrigation and Drainage. He was a professor at the Instituto Federal Rio Grande do Sul, (IFRS campus Ibirubá). He currently works as a Professor at UFSM, in the discipline of Irrigation and Drainage. He has experience in agricultural and soil engineering, working mainly on the following topics: water management in agricultural systems, crop water needs, and deficit irrigation.

  • Dr., Instituto Federal de Educação, Ciência e Tecnologia do Rio Grande do Sul

    Graduated in Agronomy from the Federal University of Santa Maria (2013), a degree in Special Program for Teacher Training for Education P from the Federal University of Santa Maria (2017), Master in Agricultural Engineering from the Federal University of Santa Maria (2016 ) and PhD in Agricultural Engineering from the Federal University of Santa Maria (2019). Currently, a professor at the Federal Institute of Education, Science and Technology of Rio Grande do Sul and coordinator of the Technical Course in Agricultural Integrated to High School. He has experience in Agricultural Engineering and Agronomy.

  • MSc., Universidade Federal de Santa Maria

    Agronomist and Graduated from the Special Program of Graduation of Teacher Training for Vocational Education (PEG), Federal University of Santa Maria (UFSM), and Master in Agricultural Engineering from the Federal University of Santa Maria (UFSM). He is currently a fellow of the National Council for Scientific and Technological Development (CNPq), at a doctorate level, by the Postgraduate Program in Agricultural Engineering (PPGEA), Federal University of Santa Maria (UFSM). Member of the Agroindustrial Process Engineering Laboratory (LAPE) and conducts research in partnership with the Biotec Factory laboratory. During the master's degree, he acted on the following subjects: reuse of agricultural biomass and adoption and enhancement of clean technologies to obtain compounds of interest in agricultural bioproducts for biofuel production. During the doctorate, he is acting on themes related to the prospecting of microorganisms and the development of bioinsecticide for the control of caterpillars in soy and cotton crops. He is a member of innovative science and technology projects of the Rio Grande do Sul State Research Support Foundation (Fapergs) and Universal Projects of the National Council for Scientific and Technological Development (CNPq). Member of the editorial body of international journals of high impact factors and reviewer of national and international journals linked to agriculture and sustainability

  • MSc., Universidade Federal de Santa Maria

    PhD Student in Agricultural Engineering-PPGEA-Federal University of Santa Maria-UFSM, in Research in Water and Soil Engineering. She is an academic at the Special Graduate Program for Teacher Training for Professional Education-PEG, at the Federal University of Santa Maria (UFSM). She has a Master's degree in Energy Engineering in Agriculture-PPGEA-UNIOESTE / Cascavel, in the research line of Biomass and energy crops, specifically in the area of ​​Soil Physics. She has a degree in Agricultural Engineering from the State University of West Paraná - UNIOESTE (2018). With experience in Agricultural Engineering, where she was a monitor in Strength of Materials and Theory of Structures (2016). He works with soils, working mainly on the following topics: Impact of the use of cover species on the structure of an Oxisol with reflections on the yield of soybeans, Impact of the use of Crop Management and Rotation Systems on the Structure of an Oxisol under No-tillage System, Efficacy of Management Systems and cover species in reducing water and soil losses and improving the quality of an Oxisol. She did an internship at the Solo-LAFIS Physics Laboratory at Unioeste / Cascavel. He carried out voluntary work for the purpose of improving and knowledge of soils at the Soil Physics Laboratory-LAFIS at Unioeste/Cascavel, where he developed activities together with the Agronomic Institute of Paraná - IAPAR, with emphasis on activities to collect deformed and undisturbed soil samples. , determination of soil density and pore space, granulometric analysis, hydraulic conductivity of saturated soil as well as assistance in the implementation and conduct of research projects (02/17/2014 to 08/15/2014 and 08/03/2015 to 30 /12/2016). She participated in two scientific initiations with an emphasis on soils (2015 and 2017). She participates in the Research Group "Water Management in Agricultural Systems" (2022) at the Federal University of Santa Maria.

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Published

2023-06-26

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Vol. 19 No. 1 (2023): Colloquium Agrariae Publicação Contínua (Continuous Publishing)

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Phyllochron estimates on agronomic potential and physiological quality of millet . (2023). Colloquium Agrariae. ISSN: 1809-8215, 19(1), 116-129. https://doi.org/10.5747/ca.2023.v19.h517