Article
Agronomy
Huan-Huan Zhao, Hong-Yu Li, Chui-Hua Kong
Summary: The interaction between herbicide-resistant barnyardgrass and rice is mediated by rhizosphere microbial communities. Resistant barnyardgrass recruits specific bacteria and fungi to enhance its stress tolerance, and the root exudates of barnyardgrass are correlated with the core microbes in rice rhizosphere soil. Modulating the rhizosphere microbiota may improve rice growth, increase crop productivity, and ensure sustainability.
PEST MANAGEMENT SCIENCE
(2023)
Article
Agronomy
Zichang Zhang, Jingjing Cao, Tao Gu, Xia Yang, Qiong Peng, Lianyang Bai, Yongfeng Li
Summary: This study investigated the effects of growing rice with different varieties of barnyardgrass on root traits and shoot growth of rice. The results showed a significant reduction in rice grain yield when grown with barnyardgrass, accompanied by a decrease in shoot growth indices and a strong positive correlation with root traits.
Article
Agronomy
Fangzhao Xia, Wukai Wang, Yulin Weng, Ihsan Ali, Jinsong Zhao, Zhongnan Nie, Xinghua Li, Xuan Yao, Tewu Yang
Summary: This study evaluated the feasibility of developing new ratoon rice cropping systems using water-saving, drought-resistant rice, showing that the irrigation water use efficiency (WUE) of the WDR systems was higher, but the yield was lower in the ratoon season.
Article
Plant Sciences
Benfu Wang, Xiaolong Yang, Jianping Cheng, Liang Chen, Yuanyuan Jiang, Hongying Bu, Yang Jiang, Ping Li, Cougui Cao
Summary: This study investigated the physiological mechanism of drought stress affecting photosynthetic capacity and grain yield in different rice cultivars. Drought stress caused a reduction in leaf photosynthesis and grain yield, with drought-tolerant cultivars showing better adaptation and higher photosynthetic rates. The maintenance of leaf water potential, photosynthetic rate, PSII efficiency, non-photochemical quenching, and increased antioxidant enzyme activities were crucial factors in achieving high photosynthesis levels, especially in drought-tolerant varieties.
JOURNAL OF PLANT GROWTH REGULATION
(2022)
Article
Plant Sciences
Most. Humaira Sultana, Md. Alamin, Jie Qiu, Longjiang Fan, Chuyu Ye
Summary: This study identified candidate genes responsible for allelopathic interactions between rice and barnyardgrass through transcriptome analysis. The results showed a quick allelopathic response in rice within 3 hours. Comparison of differentially expressed genes (DEGs) between rice and barnyardgrass revealed different mechanisms underlying allelopathic interaction in these two species.
FRONTIERS IN PLANT SCIENCE
(2023)
Article
Plant Sciences
Le Ding, Huan-Huan Zhao, Hong-Yu Li, Xue-Fang Yang, Chui-Hua Kong
Summary: In this study, a penoxsulam-resistant barnyardgrass biotype capable of kin recognition was identified. When grown with closely related penoxsulam-susceptible barnyardgrass, the penoxsulam-resistant biotype exhibited reduced root growth and distribution, advanced flowering, and increased seed production. However, such kin recognition responses were not observed in the presence of distantly related barnyardgrass. Kin recognition in plants could occur at the herbicide-resistant barnyardgrass biotype level and facilitate cooperation between genetically related biotypes to compete with interspecific rice.
Review
Agronomy
Christos A. Damalas, Spyridon D. Koutroubas
Summary: Barnyardgrass, an annual weed in the Poaceae family, is a significant problem in rice-producing countries worldwide. Continuous use of synthetic herbicides has led to the development of resistant biotypes, resulting in reduced herbicide efficacy and yield losses. This review summarizes the cases of resistant barnyardgrass in global rice production, with 85 out of 116 cases reported between 1986 and 2022. Barnyardgrass has exhibited resistance to various herbicide classes, including ALS inhibitors, ACCase inhibitors, photosystem-II inhibitors, auxin mimics, very long-chain fatty acid inhibitors, and microtubule assembly inhibitors. Non-target site resistance, particularly through herbicide detoxification, poses a significant concern for multiple herbicide resistance evolution. Rotation of herbicides with different modes of action and application methods is recommended to mitigate resistance evolution in rice paddies.
WEED BIOLOGY AND MANAGEMENT
(2023)
Article
Biochemistry & Molecular Biology
Hui Tao, Xuetao Shi, Feng He, Dan Wang, Ning Xiao, Hong Fang, Ruyi Wang, Fan Zhang, Min Wang, Aihong Li, Xionglun Liu, Guo-Liang Wang, Yuese Ning
Summary: This study utilized CRISPR/Cas9 technology to edit susceptibility genes in rice, leading to the successful generation of rice varieties with broad-spectrum resistance to diseases. By knocking out S genes, researchers observed significantly enhanced resistance of rice to Magnaporthe oryzae and Xanthomonas oryzae pv. oryzae, without negative effects on key agronomic traits.
JOURNAL OF INTEGRATIVE PLANT BIOLOGY
(2021)
Article
Agronomy
Shuyan Li, Qiling Yan, Jieyu Wang, Huidan Jiang, Zuren Li, Qiong Peng
Summary: This study provides a detailed characterization of rice root-associated microbiomes during co-cultivation with barnyardgrass, showing opposite effects on endophytic bacteria and fungi in terms of diversity and composition. Rice recruits numerous endophytes, particularly fungi, to resist barnyardgrass stress. The findings contribute to a better understanding of the role of endophytes in rice resistance to barnyardgrass stress and have implications for the resistance of rice root microbiota to biotic stress.
Article
Plant Sciences
Shuyan Li, Qiling Yan, Jieyu Wang, Qiong Peng
Summary: This study found that in the presence of barnyardgrass, rice had higher bacterial diversity but lower fungal richness compared to the barnyardgrass. Rice recruited more endophytic bacteria at certain growth stages and more endophytic fungi at other stages to combat the biotic stress from barnyardgrass. The composition of endophytic bacteria and fungi in the roots of rice and barnyardgrass differed, and there was a negative correlation between bacteria and fungi in both species.
Article
Plant Sciences
Chen Gu, Shu Ji, Xiaobo Xi, Zhenghua Zhang, Qingqing Hong, Zhongyang Huo, Wenxi Li, Wei Mao, Haitao Zhao, Ruihong Zhang, Bin Li, Changwei Tan
Summary: This study introduced the continuous wavelet transform algorithm and constructed models based on multiple growth stages to accurately predict rice yield. The combination of multiple growth stages significantly improved the model accuracy.
FRONTIERS IN PLANT SCIENCE
(2022)
Article
Agronomy
Veronica Hoyos, Guido Plaza, Jose G. Vazquez-Garcia, Candelario Palma-Bautista, Antonia M. Rojano-Delgado, Rafael De Prado
Summary: This study reports a C. radiata population with resistance to glyphosate and imazamox, as confirmed by dose-response experiments. The use of adjuvants improves herbicide retention and effectiveness. ACCase inhibitors showed better control in this species.
Article
Green & Sustainable Science & Technology
Fabio Sporchia, Marianne Thomsen, Dario Caro
Summary: Rice production worldwide saw slight growth in water and land use as well as CH4 emissions from 2000 to 2016, but significant improvements in production efficiency led to substantial savings in water resources, land, and emissions. Domestic consumption covered the majority share (94%) while international trade played a less significant role (6%), although it was relevant for some Asian and African countries. Increasing yield by 0.5 tonnes/ha resulted in a global reduction of about 10% for each environmental stressor, suggesting potential trade-offs among them.
SUSTAINABLE PRODUCTION AND CONSUMPTION
(2021)
Article
Plant Sciences
Haibing He, Lele Wang, Xuelan Zhang, Ni Zhan, Quan Wang, Ru Yang, Cuicui You, Jian Ke, Liquan Wu
Summary: This study identified key genes that maintain high mesophyll conductance (gm) in water-saving and drought-resistant rice (WDR) under water stress. Mild wetting-drying alternate irrigation had positive effects on WDR under severe water stress and increased the expression levels of key genes.
ENVIRONMENTAL AND EXPERIMENTAL BOTANY
(2022)
Article
Multidisciplinary Sciences
Yujie Du, Junli Du, Xi Liu, Zhifa Yuan
Summary: The study introduces a multiple-to-multiple path analysis model that can better describe the complex regulatory mechanisms of multiple independent variables to multiple dependent variables by dividing the generalized determination coefficient to show different paths. The research example demonstrates that the multiple-to-multiple path analysis model can provide better analysis results.