Seedling competition between Pennisetum setaceum (Poaceae) and three native weeds of La Primavera wood, Guadalajara, Jalisco (México)

Vincenzo Bertolini; Oscar Alejandro  Sedano Ibarra; Javier Francisco  Valle Mora; Agustín   Gallegos Rodríguez; Efrén  Hernández Álvarez; Ángel Natanael  Rojas Velázquez

doi:10.54502/msuceva.v3n2a6

Autores/as

Vincenzo Bertolini The Colegio de la Frontera Sur, Tapachula Unit. ECOSUR Tapachula. Laboratory of Ecology and Sustainable Cultivation of Soconusco Orchids. State of Chiapas, C.P. 30700, Mexico.
Oscar Alejandro Sedano Ibarra Centro Universitario de Ciencias Biológicas y Agropecuarias, Universidad de Guadalajara, Jalisco
Javier Francisco Valle Mora Colegio de la Frontera Sur Unidad Tapachula: Tapachula, Chiapas, Mexico
Agustín Gallegos Rodríguez Universidad de Guadalajara Centro Universitario de Ciencias Biologicas y Agropecuarias: Zapopan, Jalisco, México
Efrén Hernández Álvarez Universidad de Guadalajara Centro Universitario de Ciencias Biologicas y Agropecuarias: Zapopan, Jalisco, México
Ángel Natanael Rojas Velázquez Universidad Autónoma de San Luis Potosí, México

DOI:

https://doi.org/10.54502/msuceva.v3n2a6

Palabras clave:

Colonization, interspecific competition, desertification, invasive alien species, loss of biodiversity

Resumen

Pennisetum setaceum (Forssk.) Chiov., 1923 is an exotic grass from the Arabian Peninsula that has been very successful as an ornamental plant worldwide in recent years. Unfortunately, it has proved to be a very competitive invader, causing ecological problems in several regions of the world. We don't know exactly how this species interacts with native weeds in Mexico. Our study aims to show the interactions of Pennisetum with three species of native weeds in the surroundings of the metropolitan area of Guadalajara, Jalisco, Mexico: Aeschynomene villosa var. longifolia (Micheli) Rudd, Desmodium aparines (Link) DC. and Paspalum notatum (Flüggé). The seeds of Pennisetum were tested in monospecific groups (competing against itself) and in association with each of the native species mentioned and with a treatment together with all the compound of the species mentioned, thus simulating what could happen in natural conditions upon the arrival of the seeds of P. setaceum in a degraded soil of Guadalajara. The results show how the biomass produced and the speed of growth of Pennisetum can be a real alarm for the conservation of local germplasm.

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Biografía del autor/a

Vincenzo Bertolini, The Colegio de la Frontera Sur, Tapachula Unit. ECOSUR Tapachula. Laboratory of Ecology and Sustainable Cultivation of Soconusco Orchids. State of Chiapas, C.P. 30700, Mexico.

Bertolini was born on 29 June 1975 in Palermo, Italy. From a very young age he developed a passion for the plant kingdom. He obtained a Bachelor's Degree in Agronomy from the University of his home town in 2001, before moving to Mexico to complete a Master's Degree at the Postgraduate College, graduating in 2005. In 2009, he obtained a Doctorate in Environmental Agronomy from the University of Palermo and returned to Mexico, where in 2010 he began a post-doctorate at El Colegio de la Frontera Sur, Tapachula Unit-Mexico, where he currently works as a researcher interested in the conservation of native orchids of Soconusco. He is a member of the National System of CONACYT Researchers, Level I.

Oscar Alejandro Sedano Ibarra , Centro Universitario de Ciencias Biológicas y Agropecuarias, Universidad de Guadalajara, Jalisco

Born on 6 September 1991 in Jalisco, Mexico. Passionate about biology. He graduated in Biology from the University of Guadalajara-Mexico in 2019. It was during his undergraduate studies that he discovered his passion for ecology, especially ecological restoration. He did restoration work in Bosque la Primavera, a protected area in his city. He then went on to do a Masters in Seed Technology at the Department of Agricultural Production, which he will complete in 2022 at the same university in his home town. As part of his research, he carried out studies on the native species of the La Primavera forest and their importance in recovering degraded land for ecological restoration projects, as well as promoting the care and importance of these species in the environment.

Javier Francisco Valle Mora , Colegio de la Frontera Sur Unidad Tapachula: Tapachula, Chiapas, Mexico

Born in Ejido Efraín A. Gutiérrez, Municipality of Mazatán, Chiapas, Mexico, he has worked for 28 years at El Colegio de la Frontera Sur (ECOSUR)-Mexico as a Senior Technician C, the support area in which he works is statistics; he is also a teacher of basic sciences at the Technological Institute of Tapachula, Mexico. He holds a Master's degree in Statistics from the Center for Research in Mathematics (CIMAT)-Mexico and a degree in Mathematics from the School of Physico-Mathematical Sciences of Mexico. He has co-authored three academic-scientific popular books and co-authored about 130 peer-reviewed articles in national and international journals.

Agustín Gallegos Rodríguez , Universidad de Guadalajara Centro Universitario de Ciencias Biologicas y Agropecuarias: Zapopan, Jalisco, México

He was born on 4 June 1960 in Tamazula de Gordiano, Jalisco, Mexico. Since his childhood he began his expeditions to the crops and forests of the region. In 1985 he graduated from the Faculty of Agriculture of the University of Guadalajara with a degree in Agricultural Engineering, specialising in Forestry. He then completed postgraduate studies at the Technical University of Dresden, Germany, in 1987. In 1988 he joined the Institute of Wood, Pulp and Paper of the University of Guadalajara as a researcher. In 1997, he completed his doctoral studies at the Georg-August University of Göttingen, Germany, and received a Ph.D. in Forest Sciences. In 1998, after completing his studies, he joined the Pulp and Paper Wood Department as a researcher. In 2000, he moved to the Department of Forest Production at the University Centre for Biological and Agricultural Sciences of the University of Guadalajara, where he is currently Head of the Department, specialising in forest ecology and management, and forest ecosystem services.

Efrén Hernández Álvarez , Universidad de Guadalajara Centro Universitario de Ciencias Biologicas y Agropecuarias: Zapopan, Jalisco, México

He was born in Tlaquepaque, Jalisco, Mexico. He holds a degree in Agricultural Engineering, Specialist in Forestry from the Faculty of Agriculture, University of Guadalajara; a Master of Science in Forestry and Forest Management from the Postgraduate College of Chapingo; and a Doctor Rerum Naturalium from the University of Freiburg, Germany. His research includes: a) Epidometry of natural regeneration of coniferous forests; b) Evaluation and monitoring of tropical forests; c) Commercial forest plantations to evaluate carbon accumulation and physical-mechanical properties of wood. He has advised and supervised postgraduate and undergraduate theses. He has published 1 book as sole author, 11 as co-author and more than 20 international and national articles, and is Vice-President of the Mexican Society of Forest Resources (SOMEREFO). He is currently a Research Professor at the Department of Forest Production at the University of Guadalajara. He collaborates as an external professor in the Doctoral Degree Programme in Ecophysiology and Genetic Resources, and as a professor in the Degree Programme in Agricultural Engineering with a Forestry Orientation. He is the head of the Academic Body: UDG-CA-858: "Ecology and Management of Natural and Artificial Forests", member of the Academic Sector in the State Technical Committee for Forest Health and member of the National System of Researchers (Level I).

Ángel Natanael Rojas Velázquez, Universidad Autónoma de San Luis Potosí, México

He was born in Tamaulipas, Mexico, and graduated in 2002 with a degree in Phytotechnical Agricultural Engineering from the Faculty of Agronomy at the Autonomous University of San Luis Potosi. He completed his Master's Degree in 2003, his Master's Degree in 2005 and his Doctorate in 2010 at the Montecillo Campus of the Colegio de Posgraduados, Mexico. He currently works at the Autonomous University of San Luis Potosi, Mexico. He is a full-time professor at the Faculty of Agronomy and Veterinary Medicine, where his research focuses on the nutrition and production of vegetables and ornamental plants using hydroponics in protected agriculture. He is a member of the National System of CONACYT Researchers, Level I.

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