Article
Agronomy
Juan Camilo Velasquez, Angela Das Cas Bundt, Edinalvo Rabaioli Camargo, Andre Andres, Vivian Ebeling Viana, Veronica Hoyos, Guido Plaza, Luis Antonio de Avila
Summary: The study found that the effect of FPB on rice plants varies with planting time, growth stage, and rice cultivar. P450 inhibitors can reduce the doses of FPB needed to cause plant injury and growth reduction without compromising crop selectivity. FPB also impacts the expression of specific enzymes in rice plants, emphasizing the need for further research on its bio-activation mechanism.
Article
Agronomy
Feng Guo, Masaki Endo, Takuya Yamaguchi, Akira Uchino, Yukari Sunohara, Hiroshi Matsumoto, Satoshi Iwakami
Summary: The long-grain cultivar Kasalath exhibited approximately five-fold higher tolerance to clomazone compared to short-grain cultivars Nipponbare and Koshihikari, suggesting involvement of multiple loci in clomazone tolerance. Chromosome segment substitution lines of Nipponbare/Kasalath and Koshihikari/Kasalath showed partial tolerance to clomazone, indicating a potential genetic basis for developing clomazone-tolerant short-grain cultivars.
PEST MANAGEMENT SCIENCE
(2021)
Review
Agronomy
Mathilde Dionisi, Jean-Noel Aubertot, Mathilde Sester
Summary: This article focuses on the harmful effects of intensive pesticide use in rice paddies on human health and biodiversity. It suggests the use of modeling approaches as a way to reduce pesticide use and protect rice crops. The analysis of scientific literature and models provides insights into the different uses of models for crop protection strategies and introduces an innovative conceptual model for agroecological rice protection.
FIELD CROPS RESEARCH
(2023)
Article
Plant Sciences
Andriele Wairich, Ben Hur Neves de Oliveira, Lin-Bo Wu, Varunseelan Murugaiyan, Marcia Margis-Pinheiro, Janette Palma Fett, Felipe Klein Ricachenevsky, Michael Frei
Summary: The study identified six putative QTLs contributing to Fe-toxicity tolerance in rice and found that an introgression from O. meridionalis on chromosome 9 conferred high tolerance despite high shoot Fe concentrations. Physiological, biochemical, ionomic, and transcriptomic analyses revealed that the tolerance may be explained by higher relative Fe retention in the leaf sheath and culm. The interspecific hybrid genome analysis identified differentially regulated introgressed genes from O. meridionalis that could play a role in shoot-based Fe tolerance.
JOURNAL OF EXPERIMENTAL BOTANY
(2021)
Article
Biodiversity Conservation
Livia Paleari, Tao Li, Yubin Yang, Lloyd T. Wilson, Toshihiro Hasegawa, Kenneth J. Boote, Samuel Buis, Gerrit Hoogenboom, Yujing Gao, Ermes Movedi, Francoise Ruget, Upendra Singh, Claudio O. Stockle, Liang Tang, Daniel Wallach, Yan Zhu, Roberto Confalonieri
Summary: Crop models are powerful tools for breeding, but the relationship between plant traits and model parameters is often model-dependent. This study developed a trait-based multi-model ensemble approach to improve the design of rice plant types. By simulating different climate and management scenarios, the study showed the potential for yield improvement and highlighted the importance of phenological traits in crop adaptation to climate change.
GLOBAL CHANGE BIOLOGY
(2022)
Article
Agronomy
Guilherme Menegol Turra, Luan Cutti, Paula Sinigaglia Angonese, Carlos Henrique Paim Mariot, Catarine Markus, Aldo Merotto Junior
Summary: This study aimed to determine the interaction of water depth, flooding irrigation onset, and preemergent herbicides on the control of barnyardgrass populations and to identify the variability and putative genes involved in the regulation of flooding tolerance in this species. The results showed that early flooding in the V2 stage increased rice grain yield and favored barnyardgrass control. However, variability in flood tolerance was identified in barnyardgrass populations, which may affect the effectiveness of early flooding for weed control in rice crops.
FIELD CROPS RESEARCH
(2023)
Article
Plant Sciences
Sean M. Robertson, Olivia Wilkins
Summary: Transcriptome profiles in plants exhibit heterogeneity at all levels of morphological organization. Regulatory mechanisms that establish and sustain spatial heterogeneity remain unknown. This study identifies regulatory modules associated with functional specialization in different parts of rice leaves and highlights the importance of transcription factor families in regulating gene expression.
Article
Agronomy
Md. Dhin Islam, Adam H. Price, Paul D. Hallett
Summary: The choice of rice cultivar for different planting cycles affects the root growth of the follow-on rice crop. Deep rooting cultivars have benefits in subsoil growth, while shallow rooting cultivars promote topsoil proliferation.
Article
Biochemistry & Molecular Biology
Yaning Zhao, Wenqing Li, Lanlan Sun, Hongle Xu, Wangcang Su, Fei Xue, Renhai Wu, Chuantao Lu
Summary: This study investigates the molecular mechanisms underlying the improved tolerance of rice to the weed control agent FE by IH. The results suggest that IH regulates the expression of metabolic genes, including CarE15, CYP86A1, GSTU6, GST4, UGT13248, UGT79, and ABCC4, leading to the detoxification process of FE and alleviating its phytotoxic effects on rice.
PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY
(2022)
Article
Agronomy
Bayuh Belay Abera, Kalimuthu Senthilkumar, Marc Cotter, Folkard Asch
Summary: The study found that transplanting rice can increase yield to a certain extent and extend vegetative development stages by approximately 15%. By combining appropriate rice genotypes with targeted crop management, it is possible to improve and stabilize yields in high-altitude rainfed rice farming systems.
JOURNAL OF AGRONOMY AND CROP SCIENCE
(2022)
Article
Agronomy
Edward Gerardeaux, Gatien Falconnier, Eric Goze, Dimitri Defrance, Paul-Martial Kouakou, Romain Loison, Benjamin Sultan, Francois Affholder, Bertrand Muller
Summary: This study calibrated and evaluated a crop model to assess climate change impact on rainfed rice yield in West Africa. Results showed that despite a decline in rice yield due to climate change, it could be offset by using new cultivars with longer vegetative phases and greater temperature tolerance, along with recommended fertilization rate of 80 kg N ha(-1). This approach could help in breeding resilient cultivars and setting priorities for rice production in the region.
AGRONOMY FOR SUSTAINABLE DEVELOPMENT
(2021)
Article
Plant Sciences
Yanjun Zhang, Qilu Yu, Shilei Gao, Ningning Yu, Li Zhao, Jinbin Wang, Jiangzhe Zhao, Peng Huang, Linbo Yao, Mo Wang, Kewei Zhang
Summary: This study identifies the role of salicylic acid (SA) in rice immunity and yield. Increasing SA content in rice enhances resistance to pathogens without affecting yield. These findings provide new insights into the roles of SA in plant immunity and growth.
PLANT CELL AND ENVIRONMENT
(2022)
Article
Multidisciplinary Sciences
Ryo Ishikawa, Cristina Cobo Castillo, Than Myint Htun, Koji Numaguchi, Kazuya Inoue, Yumi Oka, Miki Ogasawara, Shohei Sugiyama, Natsumi Takama, Chhourn Orn, Chizuru Inoue, Ken-Ichi Nonomura, Robin Allaby, Dorian Q. Fuller, Takashige Ishii
Summary: This study reveals the process of early rice domestication and demonstrates that the reduction of seed shattering is not solely controlled by the sh4 allele but requires the intervention of the qSH3 allele as well. The study also identifies the impact of qSH3 within the seed shattering gene OsSh1, which is consistent in the indica and japonica subspecies but absent in the circum-aus group of rice. Furthermore, the study shows that seed shattering alone does not significantly impact yield, but yield increases are observed with closed panicle formation controlled by SPR3 and further augmented by nonshattering conferred by integration of sh4 and qSH3 alleles.
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
(2022)
Article
Plant Sciences
Lanying Li, Donghai Mao, Liang Sun, Ruigang Wang, Longtao Tan, Yuxing Zhu, Han Huang, Can Peng, Yaping Zhao, Jiurong Wang, Daoyou Huang, Caiyan Chen
Summary: Rice grain-cadmium levels vary significantly, and a low-cadmium quantitative trait locus CF1 has been identified that can reduce cadmium accumulation by indirectly inhibiting uptake through control of iron transport.
Article
Food Science & Technology
Yuraporn Sahasakul, Amornrat Aursalung, Sirinapa Thangsiri, Piya Temviriyanukul, Woorawee Inthachat, Pirach Pongwichian, Kamontip Sasithorn, Uthaiwan Suttisansanee
Summary: Rice is a staple food crop for over half of the world's population, but drought and increased soil salinity as a result of climate change have negatively affected its nutritional compositions and biochemical properties. However, this study has shown that suitable fertilizers can improve rice quality even in soil with high salinity levels.
Article
Agronomy
I. C. G. R. Goulart, V. G. Menezes, E. D. Bortoly, V. Kupas, A. Merotto
EXPERIMENTAL AGRICULTURE
(2016)
Article
Plant Sciences
F. O. Matzenbacher, A. Kalsing, G. Dalazen, C. Markus, A. Merotto Jr
Review
Evolutionary Biology
Aldo Merotto, Ives C. G. R. Goulart, Anderson L. Nunes, Augusto Kalsing, Catarine Markus, Valmir G. Menezes, Alcido E. Wander
EVOLUTIONARY APPLICATIONS
(2016)
Article
Agriculture, Multidisciplinary
F. O. Matzenbacher, E. D. Bortoly, A. Kalsing, A. Merotto
JOURNAL OF AGRICULTURAL SCIENCE
(2015)
Article
Agronomy
Felipe Ridolfo Lucio, Augusto Kalsing, Fernando Storniolo Adegas, Caio Vitagliano Santi Rossi, Nubia Maria Correia, Dionisio Luiz Pisa Gazziero, Alexandre Ferreira da Silva
Article
Agronomy
Luis Antonio de Avila, Jose Alberto Noldin, Carlos H. P. Mariot, Paulo F. S. Massoni, Marcus Fipke, Vinicios R. Gehrke, Aldo Merotto, Flavia M. Tomita, Andre B. Matos, Gelson Facioni, Edinei B. Vieira, Eduardo S. Rosa, Roger P. Santis, Edinalvo R. Camargo, Giovani Theisen, Nilda Roma-Burgos
Summary: The survey found that in southern Brazil, most farms have adopted the CL system, with farms in RS state mostly larger than 150 ha and using minimal or conventional tillage, permanent flooding, clomazone PRE tank-mixed with glyphosate at the rice spiking stage, rotational cropping with soybean or pasture. In SC state, where rice farms are smaller, averaging from 20 to 30 ha, farmers predominantly plant pre-germinated rice, do not rotate rice with other crops, and practice roguing.
Article
Agronomy
Luis Antonio de Avila, Enio Marchesan, Edinalvo R. Camargo, Aldo Merotto, Andre da Rosa Ulguim, Jose Alberto Noldin, Andre Andres, Carlos H. P. Mariot, Dirceu Agostinetto, Sylvio H. B. Dornelles, Catarine Markus
Summary: The Clearfield (TM) (CL) rice system in Brazil has brought benefits like improved weed control, better crop establishment, and enhanced fertilizer efficiency. However, the rapid evolution of IMI-resistant weedy rice remains a major issue, leading to resistance in other weeds as well.
Article
Plant Sciences
Ives Clayton Gomes dos Reis Goulart, Delmar Santin, Bruno Portela Brasileiro
Summary: This study aimed to investigate the factors affecting productivity in the yerba mate industry in Brazil. The results showed that yerba mate cultivation is predominantly done by diversified family agriculture, with limited access to technical assistance and technology. Farms with high productivity levels had higher technological adoption, more significant technical assistance, and greater workforce training. Fertilization, improved seedlings, weed control, pest control, pruning tools, and cleaning pruning were found to be key factors for medium and high productivity levels.
Article
Plant Sciences
A. Kalsing, C. V. S. Rossi, F. R. Lucio, G. B. Minozzi, F. P. Goncalves, R. Valeriano
Article
Agriculture, Multidisciplinary
Augusto Kalsing, Ives Clayton Gomes dos Reis Goulart, Carlos Henrique Paim Mariot, Valmir Gaedke Menezes, Felipe de Oliveira Matzenbacher, Aldo Merotto Junior
PESQUISA AGROPECUARIA BRASILEIRA
(2019)
Article
Agronomy
Augusto Kalsing, Caio V. S. Rossi, Felipe R. Lucio, Luiz H. S. Zobiole, Luis C. da Cunha, Guilherme B. Minozzi
Article
Agronomy
Augusto Kalsing, Sergio Mateus Tronquini, Carlos Henrique Paim Mariot, Rogerio da Silva Rubin, Angela Da Cas Bundt, Dauri Aparecido Fadin, Luiz Henrique Marques