Article
Plant Sciences
Cui Li, Linlin Wang, Jingtao Wu, F. Pax C. Blamey, Nina Wang, Yanlong Chen, Yin Ye, Lei Wang, David J. Paterson, Thea L. Read, Peng Wang, Enzo Lombi, Yuheng Wang, Peter M. Kopittke
Summary: This study investigated the translocation of foliar-applied zinc in sunflower leaves using synchrotron-based X-ray fluorescence microscopy (XFM) and transcriptome analysis. The results showed that the distribution of zinc changed over time, with initial accumulation in the epidermal layers and subsequent movement to the vascular tissues. Transcriptome analysis revealed genes involved in stress response, cell wall reinforcement, and binding. These findings are of significance for improving the efficiency of foliar zinc fertilizers.
FRONTIERS IN PLANT SCIENCE
(2022)
Article
Environmental Sciences
Muhammad Sajid Aqeel Ahmad, Alia Riffat, Mumtaz Hussain, Mansoor Hameed, Ambreen Khadija Alvi
Summary: This study investigated the effects of nickel application on physiological and biochemical attributes of sunflower cultivars grown in sand culture. Results showed that increasing nickel concentration significantly decreased vegetative parameters and photosynthetic attributes, while low levels of nickel improved growth attributes to some extent. The study also found that high nickel concentration had negative effects on leaf water potential, osmotic potentials, and relative water contents, but increased leaf turgor potential and membrane permeability. Hysun-33 exhibited higher tolerance to nickel stress compared to SF-187.
ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
(2023)
Article
Environmental Sciences
Abdul Qadir, Sergii Skakun, Jaemin Eun, Meghavi Prashnani, Leonid Shumilo
Summary: The interaction between sunflower and microwave signal is still not fully understood. Our analysis reveals differences in the backscattering response of sunflower in the ascending and descending orbits for VV polarization and VH/VV polarization ratio due to the directional behavior of the flower head. We found that VH/VVdes is a preferable parameter for identifying sunflower phenological stages.
REMOTE SENSING OF ENVIRONMENT
(2023)
Article
Engineering, Environmental
Charles Lovejoy, Kurt A. Smemo
Summary: The translation discusses the process of phytoextraction using hyperaccumulating plants and the role of specific plant hormones in enhancing metal uptake. An experiment was conducted using dwarf sunflowers and it was found that the addition of strigolactones significantly increased lead uptake in plant tissues compared to other hormones, suggesting potential for improving efficiency in short time scales. Future studies should focus on understanding the physiological and fungal responses to strigolactone treatments and how they can be applied to different metals and plant species.
BIOREMEDIATION JOURNAL
(2021)
Article
Plant Sciences
Huiying Lu, Ziqi Wang, Chenyang Xu, Luhao Li, Chunwu Yang
Summary: Sunflower exhibits strong alkali tolerance. Alkali stress alters the lipid components of sunflower seeds, potentially affecting the quality of sunflower seed oils. Alkali stress promotes the accumulation of various substances in sunflower roots. Interaction of multiple phytohormones and bioactive molecules play a role in mediating alkali tolerance in sunflower.
PLANT PHYSIOLOGY AND BIOCHEMISTRY
(2021)
Article
Biochemistry & Molecular Biology
Bartholomew Saanu Adeleke, Ayansina Segun Ayangbenro, Olubukola Oluranti Babalola
Summary: This study investigated the endophytic bacterial community structure of sunflower plants at the growing stage, revealing dominant bacterial species in the root and stem. The diversity of bacterial communities in plant organs across different sites was significantly different, with observed influences of soil physical and chemical parameters on bacterial distribution. The study provides insight into the potential use of these bacteria as bioinoculants for enhancing agricultural yields in the future.
PLANT SIGNALING & BEHAVIOR
(2021)
Article
Plant Sciences
Guillermo A. A. Dosio, Giselle M. A. Martinez-Noel, Leonela A. Garcia, M. Eugenia Giorgi, Jorge A. Tognetti
Summary: Sunflowers are considered non-fructan bearing plants, but research has shown that they can synthesize fructans under certain conditions. This finding has significant implications for breeding and management of sunflower crops.
PLANT PHYSIOLOGY AND BIOCHEMISTRY
(2023)
Article
Plant Sciences
Nabin K. Dangal, Hossein M. Rekabdarkolaee, Samuel G. Markell, Robert M. Harveson, Febina M. Mathew
Summary: Phomopsis stem canker significantly reduces sunflower yield and no management recommendations have been developed for U.S. farmers. A study conducted fungicide trials from 2009 to 2020 and found that quinone outside inhibitor (QoI) fungicides were moderately effective, while premixes of demethylation inhibitors (DMI), succinate dehydrogenase inhibitors (SDHI), and QoI were largely effective in controlling the disease. The study also suggested that the use of QoI fungicides is likely to be profitable in the presence of Phomopsis stem canker.
Article
Plant Sciences
Zahirul I. Talukder, William Underwood, Christopher G. Misar, Gerald J. Seiler, Xiwen Cai, Xuehui Li, Lili Qi
Summary: This study investigated the resistance against basal stalk rot (BSR) caused by Sclerotinia sclerotiorum in cultivated sunflower, introgressed from the wild sunflower Helianthus praecox ssp. runyonii. The research identified 19 BSR resistance quantitative trait loci (QTL) on nine sunflower chromosomes, with 16 of them deriving resistant alleles from H. praecox parent. These findings provide genetic markers for marker-assisted breeding to combat BSR in sunflower.
FRONTIERS IN PLANT SCIENCE
(2022)
Article
Plant Sciences
Ashley C. C. Barstow, Jarrad R. R. Prasifka, Ziv Attia, Nolan C. C. Kane, Brent S. S. Hulke
Summary: This study identified major loci associated with nectar volume variation in sunflower using genetic mapping. Increased nectar volume was found to be associated with increased sugars and total energy per floret. Candidate genes on chromosomes were found to be homologous to genes with nectary function in Arabidopsis.
FRONTIERS IN PLANT SCIENCE
(2022)
Article
Agronomy
Gonzalo J. Arata, Mailen A. Riveira-Rubin, Diego Batlla, Maria Veronica Rodriguez
Summary: This study reveals considerable intraspecific variability for dormancy attributes among cultivated sunflowers, mainly manifested in differences in dormancy expression patterns and release rates among different genotypes.
Article
Biochemistry & Molecular Biology
Ettore Riccucci, Cosimo Vanni, Alberto Vangelisti, Marco Fambrini, Tommaso Giordani, Andrea Cavallini, Flavia Mascagni, Claudio Pugliesi
Summary: This study provides the first comprehensive characterization of the WOX family in sunflower, a member of the Asteraceae family. Through phylogenetic analysis, 18 putative HaWOX genes were identified and classified into three major clades. These genes show conserved structural and functional motifs and are evenly distributed on sunflower chromosomes. Gene expression analysis reveals a specific pattern of regulation during embryo growth and meristem differentiation, suggesting a pivotal role for the HaWOX family in sunflower development.
INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES
(2023)
Article
Multidisciplinary Sciences
Hafiz Ghulam Muhu-Din Ahmed, Muhammad Rizwan, Muhammad Naeem, Muhammad Ahsan Khan, Faheem Shehzad Baloch, Sangmi Sun, Gyuhwa Chung
Summary: This study used DNA-based analysis to determine the genetic purity of 23 sunflower parents and their 60 hybrids. The researchers used SSR markers to analyze the polymorphism and identified the allele sizes of the parents and hybrids. The results showed that the hybrids had similar allele sizes to their parents, confirming the genetic purity. The findings of this study are important for accurate identification of hybrids and improving seed genetic purity testing globally.
Article
Agronomy
Mailen Riveira Rubin, Gonzalo Joaquin Arata, Esteban Dario Lopez, Maria Veronica Rodriguez, Diego Batlla
Summary: The study focused on the effect of varying sowing dates on sunflower genotypes' seed dormancy levels, finding that late sowings can increase germination rates and accelerate dormancy release. The sensitivity of embryos to ABA inhibition may play a role in alleviating dormancy in sunflower seeds.
Article
Biotechnology & Applied Microbiology
Sofia A. Bengoa Luoni, Alberto Cenci, Sebastian Moschen, Salvador Nicosia, Laura M. Radonic, Garcia Julia Sabio, Nicolas B. Langlade, Denis Vile, Cecilia Vazquez Rovere, Paula Fernandez
Summary: This study identified sunflower NACTF (HaNAC) genes associated with leaf senescence and explored their orthologous relationships with genes from different species. From 151 HaNAC genes in the sunflower genome, 50 genes were found to be linked to senescence traits, with HaNAC001 identified as a potential candidate for further exploration of molecular regulation of senescence in sunflower.
Article
Biochemistry & Molecular Biology
Armando Moreno-Velasco, Mabel Fragoso-Serrano, Pedro de Jesus Flores-Tafoya, Sebastian Carrillo-Rojas, Elihu Bautista, Suzana Guimara Leitao, Jhon F. Castaneda-Gomez, Rogelio Pereda-Miranda
Summary: This study investigated the roots of Operculina hamiltonii, a traditional medicinal plant in Brazil. Three new acyl sugars or resin glycosides were identified and their structures elucidated. The combination of these compounds with other drugs showed enhanced cytotoxic effects on breast cancer cells.
Article
Biochemistry & Molecular Biology
Qian-Qing Liu, Lin-An Xiong, Jia-Yu Qian, Ting-Ting Gong, Lie-Feng Ma, Luo Fang, Zha-Jun Zhan
Summary: A new naturally occurring compound, Linderagatins C-F (1-4), with the structures of diaryltetrahydrofuran-type 7,9'-dinorlignans, was discovered in the roots of Lindera aggregata. The neuroprotective effects of compounds 2 and 3 on erastin-induced ferroptosis in HT-22 cells were found to be significant.
