Article
Plant Sciences
Pawel Staszek, Maciej Piekarniak, Agnieszka Wal, Urszula Krasuska, Agnieszka Gniazdowska
Summary: The digestive fluid of pitcher plants has phytotoxic effects on the germination of tomato seeds, but does not significantly affect the growth of tomato seedling roots. Higher concentration of digestive fluid leads to lower germination rate of tomato seeds, while undiluted fluid reduces cell viability in tomato seedling roots.
Article
Agronomy
Shahnaj Parvin, Jason Condon, Terry Rose
Summary: Summer cover crops can provide biomass, nitrogen fixation, and biopores in Mediterranean cropping systems, but they may also reduce water availability for the following cash crops. Limited research exists on the rooting patterns and water use of summer cover crops in Mediterranean-type environments. This study evaluated legume (sunn hemp, cowpea, mung bean, lablab), non-legume broadleaf (buckwheat, radish), and cereal (millet) cover crops for their root distribution, depth, diameter, water use, and biomass production. Millet had the highest biomass and water use efficiency, while legumes exhibited greater subsoil water use. Dual species mixes with millet or cowpea showed increased biomass production and deeper rooting. Results indicate that millet may be preferred for minimal water use, while legumes may benefit in wetter seasons for subsoil drying and biopore creation. Overall, cover crops reduced soil water storage compared to fallow, potentially impacting cash crop yield.
EUROPEAN JOURNAL OF AGRONOMY
(2023)
Article
Agronomy
Affendy Hassan, Dorte Bodin Dresboll, Kristian Thorup-Kristensen
Summary: The use of species with coloured roots and indirect tracer uptake measurements contributes to the success of studying root growth dynamics in intercropping systems. The root intensity of red beet is not significantly affected by strip intercropping when crops are established simultaneously, but a reduction in roots at the border row is observed when established between existing lucerne strips. Both lucerne and kale are capable of exploiting the deep soil layers beneath the red beet border row.
PLANT SOIL AND ENVIRONMENT
(2021)
Article
Forestry
P. W. West, D. A. Ratkowsky
Summary: In a forest, the growth rate of an individual tree is mainly determined by its size and competition from neighboring trees, which can be symmetric or asymmetric. Existing models were unable to distinguish between tree size and competitive effects, thus preventing quantification of their contribution to tree growth rates. New approaches are needed to successfully quantify and model the effects of tree size and competitive processes on tree growth.
JOURNAL OF FORESTRY RESEARCH
(2022)
Review
Biology
Thomas J. Travers-Cook, Jukka Jokela, Claudia C. Buser
Summary: Ecological interactions influence evolutionary dynamics by selecting upon fitness variation within species. Antagonistic interactions often promote genetic and species diversity, despite the inherently suppressive effect they can have on the species experiencing them. In this review, the authors discuss how certain single-celled and dimorphic fungi have evolved allelopathic killer phenotypes that engage in antagonistic interactions, and explore the evolutionary pathways, functions, and consequences of killer phenotypes. They highlight that killer phenotypes are powerful models for studying allelopathic antagonism, but their evolutionary ecology remains largely unknown. The authors discuss what is known and what remains to be ascertained about killer phenotype ecology and evolution.
PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES
(2023)
Article
Forestry
Marine Fernandez, Philippe Malagoli, Christiane Gallet, Catherine Fernandez, Antoine Vernay, Thierry Ameglio, Philippe Balandier
Summary: This study found that root exudates from purple moor grass significantly inhibited the growth of sessile oak, while the oak root exudates favored oak growth without affecting the moor grass. Resource exploitation had a greater impact on oak growth than allelopathy, with both processes leading to a 50% decrease in oak biomass.
FOREST ECOLOGY AND MANAGEMENT
(2021)
Article
Plant Sciences
Yong-He Zhu, Jacob Weiner, Yi Jin, Ming-Xi Yu, Feng-Min Li
Summary: This study shows that wheat plants have weakened competitive traits and responses through group selection, resulting in weaker competition but higher-yielding modern cultivars. Based on the experimental results, wheat plants allocate their biomass differently in response to resource levels and the presence of neighboring roots.
FRONTIERS IN PLANT SCIENCE
(2022)
Article
Agronomy
Muhammad Naeem, Waqas Ahmed Minhas, Shahid Hussain, Sami Ul-Allah, Muhammad Farooq, Shahid Farooq, Mubshar Hussain
Summary: The study found that the mungbean-barley system combined with the weed-free strategy can improve soil characteristics and increase barley yield, while the SB system had the highest soil bulk density. Barley grown with the weed-free strategy had higher leaf area index and specific leaf area. Overall, the mungbean-barley system showed the best performance in terms of yield and related traits.
Article
Agronomy
Shiyong Zhou, Feng Zhou, Xuejing Zi, Dongyun Rao, Kang Liu, Bozhi Wu
Summary: This study investigated the heterogeneous distribution of nutrients in the soil and root interactions in agroecosystems. The findings showed that a heterogeneous distribution of nitrogen improved root foraging precision and increased root biomass and surface area. Intraspecific competition had a negative impact on root biomass and plant biomass.
Article
Ecology
Haiyan Zhang, Susan Rutherford, Shanshan Qi, Ping Huang, Zhicong Dai, Daolin Du
Summary: This study investigated the physiological and molecular responses of native Arabidopsis thaliana roots to allelopathy from invasive Conyza canadensis, revealing significant effects on root growth, weakened root tip activity, ROS accumulation, and differential expression of genes related to cell wall formation, stress response, and signal transduction. Moreover, it found that genes associated with nutrient transport and stress response were down-regulated, while transcription factors associated with plant stress were up-regulated, indicating a complex molecular response to allelopathy.
Article
Agronomy
Yan Li, Feng Fang, Jianlin Wei, Rongzong Cui, Guosheng Li, Fuli Zheng, Deshui Tan
Summary: This study compared the continuous effects of different concentrations of humic acid on the yield and oxidative stress tolerance of continuously cropped peanut. Results showed that humic acid effectively improved the growth performance of continuously cropped peanut by enhancing chlorophyll content, nutrient absorption, enzyme activities, antioxidant enzyme activities, and altering hormone levels.
Article
Agronomy
Mauricio Bustamante-Silveira, Guillermo Siri-Prieto, Leonidas Carrasco-Letelier
Summary: Bioenergy is the most widely used form of renewable energy, but understanding water consumption and pollution is crucial for determining its water demand. Uruguayan policy emphasizes the use of bioenergy to decarbonize energy sources. The water footprint of four different bioethanol cropping systems varies, with switchgrass having the lowest water usage per hectare and per liter of ethanol.
AGRICULTURAL WATER MANAGEMENT
(2021)
Article
Computer Science, Artificial Intelligence
Muhammad Akram, Hafiza Saba Nawaz
Summary: The article introduces the concept of Pythagorean fuzzy soft graphs, competition graphs, and economic competition graphs, as well as algorithm design. Through examples, results, and graphical descriptions of competition among forest trees, the variation in competition relative to different attributes is depicted in Pythagorean fuzzy soft competition graphs.
COMPLEX & INTELLIGENT SYSTEMS
(2022)
Article
Immunology
Oliver Dibben, Jonathan Crowe, Shaun Cooper, Laura Hill, Katarzyna E. Schewe, Helen Bright
Summary: The reduced replicative fitness of A/BOL13 made it susceptible to inter-strain competition in QLAIV, contributing to its reduced VE in the 2015-16 season.
Review
Agronomy
Jeffrey D. D. Weidenhamer, Don Cipollini, Kathryn Morris, Saliya Gurusinghe, Leslie A. A. Weston
Summary: Progress in understanding allelopathic interactions among plants has been limited by the complexity of direct and indirect interactions, as well as the influence of various factors such as resource limitations, pathogens, and herbivores. Recent advancements in technology and analytical techniques have allowed researchers to study the biosynthesis of allelochemicals and plant responses in more detail. This review highlights the importance of applying these new approaches in ecologically rigorous ways to enhance our understanding of allelopathic interactions.
Article
Agriculture, Multidisciplinary
Pei Wang, Gerassimos Peteinatos, Hui Li, Frank Braendle, Erhard Pfuendel, Hans G. Drobny, Roland Gerhards
JOURNAL OF PLANT DISEASES AND PROTECTION
(2018)
Article
Agriculture, Multidisciplinary
Christoph Kunz, Jonas F. Weber, Gerassimos G. Peteinatos, Markus Soekefeld, Roland Gerhards
PRECISION AGRICULTURE
(2018)
Article
Chemistry, Analytical
Hui Li, Pei Wang, Jonas Felix Weber, Roland Gerhards
Article
Agronomy
Alexander Ingo Linn, Pavlina Kosnarova, Josef Soukup, Roland Gerhards
PLANT SOIL AND ENVIRONMENT
(2018)
Article
Agriculture, Multidisciplinary
Gerassimos G. Peteinatos, Benjamin Kollenda, Pei Wang, Roland Gerhards
COMPUTERS AND ELECTRONICS IN AGRICULTURE
(2019)
Article
Chemistry, Analytical
Jorge Martinez-Guanter, Angela Ribeiro, Gerassimos G. Peteinatos, Manuel Perez-Ruiz, Roland Gerhards, Jose Maria Bengochea-Guevara, Jannis Machleb, Dionisio Andujar
Article
Agronomy
A. Linn, R. Mink, G. G. Peteinatos, R. Gerhards
Article
Agronomy
Alexandra Schappert, Matthias Schumacher, Roland Gerhards
Article
Agriculture, Multidisciplinary
Stefan Paetzold, Christine Hbirkou, Dominik Dicke, Roland Gerhards, Gerhard Welp
PRECISION AGRICULTURE
(2020)
Review
Agronomy
Roland Gerhards, Alexandra Schappert
PEST MANAGEMENT SCIENCE
(2020)
Article
Agronomy
Robin Mink, Alexander Ingo Linn, Hans-Joachim Santel, Roland Gerhards
PEST MANAGEMENT SCIENCE
(2020)
Article
Agronomy
Alexandra Schappert, Alexander Linn, Dominic J. Sturm, Roland Gerhards
PLANT SOIL AND ENVIRONMENT
(2019)
Article
Agronomy
Alexandra Schappert, Miriam H. Messelhaeuser, Marcus Saile, Gerassimos G. Peteinatos, Roland Gerhards
Article
Agronomy
Alexander K. Zeller, Yasmin I. Kaiser, Roland Gerhards
Article
Agronomy
Robin Mink, Avishek Dutta, Gerassimos G. Peteinatos, Markus Soekefeld, Johannes Joachim Engels, Michael Hahn, Roland Gerhards
