Article
Plant Sciences
Pooria Ensafi, Richard W. Smiley, Margaret T. Moll, Arash Rashed, Chad A. Jackson, Juliet M. Marshall
Summary: The increased populations of Heterodera avenae in southeastern Idaho are attributed to the planting of susceptible cereal cultivars and the lack of crop rotation. Testing new genotypes and susceptibility assessments of marketed cultivars are necessary to identify high-yield, resistant spring wheat cultivars with tolerance. The results of the experiments showed that the use of aldicarb increased the grain yield of susceptible cultivars, while the resistant variety carrying the Cre5 resistance gene maintained its standard yield.
Article
Plant Sciences
Haolin Li, Guang Liu, Da-xia Zhang, Xu Lin, Guangying Liu, Shuangyu Xu, Feng Liu, Wei Mu
Summary: Fluopyram exhibits bioactivity against cereal cyst nematode, leading to significant reduction in population density and increase in wheat yield.
Article
Plant Sciences
Pooria Ensafi, Richard W. Smiley, Margaret T. Moll, Arash Rashed, Chad A. Jackson, Juliet M. Marshall
Summary: Increased populations of H. avenae in southeastern Idaho are caused by susceptible cereal cultivars and lack of crop rotation. We conducted experiments to test the yield of wheat cultivars with resistance to H. avenae and found that aldicarb treatment significantly increased grain yield of susceptible cultivars. Our results suggest that aldicarb can improve wheat grain yield and has potential for research.
Article
Biology
Saroj Yadav, R. S. Kanwar
Summary: Urea, DAP, SSP, and MOP inhibited the hatching of Heterodera avenae, while ZnSO4 increased hatching. In the pot experiment, higher doses of urea reduced nematodes in soil and roots, while ZnSO4 had the highest nematode numbers.
SAUDI JOURNAL OF BIOLOGICAL SCIENCES
(2021)
Article
Biochemistry & Molecular Biology
Vikas Kumar Singh, Deepti Chaturvedi, Saksham Pundir, Deepak Kumar, Rajiv Sharma, Sundeep Kumar, Shiveta Sharma, Shailendra Sharma
Summary: Significant yield losses in major cereal-growing regions have been caused by cereal cyst nematodes. Identifying natural sources of resistance is important due to concerns about chemical methods. In this study, diverse wheat genotypes were screened for nematode resistance, and genome-wide association analysis identified several significant genetic markers related to nematode resistance. Candidate gene analysis further revealed potential genes involved in disease resistance. These results provide valuable genetic resources for reducing the impact of cereal cyst nematodes on wheat production and developing new control strategies.
MOLECULAR GENETICS AND GENOMICS
(2023)
Article
Plant Sciences
Hudie Shao, Linfeng Zhu, Zhiqiang Li, Ru Jiang, Shiming Liu, Wenkun Huang, Chuanren Li, Ling-an Kong, Deliang Peng, Huan Peng
Summary: CCNs has been found in many provinces in China, and our study collected 821 samples from 16 provinces during 2019-2022 to investigate its distribution. Heterodera avenae was detected in 56.39% of the samples, primarily in Hubei, Henan, Hebei, Shandong, Shanxi, Gansu, Beijing, Tianjin, Inner Mongolia, Ningxia, Xinjiang, Qinghai, Anhui, Shaanxi, and Jiangsu. Genetic analysis revealed significant differences between Chinese populations and populations from other countries.
PHYTOPATHOLOGY RESEARCH
(2023)
Article
Multidisciplinary Sciences
Saksham Pundir, Rajiv Sharma, Deepak Kumar, Vikas Kumar Singh, Deepti Chaturvedi, Rambir Singh Kanwar, Marion S. Roder, Andreas Borner, Martin W. Ganal, Pushpendra Kumar Gupta, Shailendra Sharma, Shiveta Sharma
Summary: The resistance of wheat to cereal cyst nematode was studied, and several novel QTLs and potential gene loci related to the resistance were identified. The findings have important implications for breeding wheat varieties with resistance against cereal cyst nematode.
SCIENTIFIC REPORTS
(2022)
Article
Agronomy
Mustafa Imren, Goksel Ozer, Nagihan Duman, Abdelfattah Dababat
Summary: The study investigated the resistance situation of indigenous wheat varieties in Turkey against a certain population of cereal cyst nematodes. Some wheat varieties showed high resistance, while barley varieties generally lacked resistance. Various resistance genes were identified in different wheat varieties, but there was no correlation found between any marker and phenotypic resistance.
GENETIC RESOURCES AND CROP EVOLUTION
(2021)
Article
Plant Sciences
Hudie Shao, Qin Xue, Ke Yao, Jiangkuan Cui, Wenkun Huang, Lingan Kong, Chuanren Li, Hongmei Li, Deliang Peng, Richard W. Smiley, Huan Peng
Summary: This study provides theoretical support for the origin and spread of H. avenae populations in China and elsewhere in the world. It found that H. avenae in China has high genetic diversity and endemism, with significant evolutionary and genetic differences from populations in other countries. The Yellow River and mechanical harvesters may promote gene exchange among different regions.
Article
Plant Sciences
Saksham Pundir, Rakhi Singh, Vikas Kumar Singh, Shiveta Sharma, Harindra Singh Balyan, Pushpendra Kumar Gupta, Shailendra Sharma
Summary: In this study, QTL and MQTL analyses were performed to identify genomic regions controlling resistance to H. avenae in wheat. Several QTLs and candidate genes associated with resistance were identified, providing valuable insights into the molecular mechanisms of resistance and aiding in marker-assisted selection for breeding resistant cultivars.
Article
Plant Sciences
Kara A. Levin, Matthew R. Tucker, Christopher F. Strock, Jonathan P. Lynch, Diane E. Mather
Summary: The resistance conferred by the Cre8 locus of wheat prevents cereal cyst nematode feeding sites from reaching and invading root metaxylem vessels, leading to differences in cellular structures and internal changes in the roots between susceptible and resistant wheat plants.
PLANT CELL REPORTS
(2021)
Article
Agronomy
Roxana Savin, C. Mariano Cossani, Rachid Dahan, Jamal Y. Ayad, Rossella Albrizio, Mladen Todorovic, Mohammed Karrou, Gustavo A. Slafer
Summary: Water management is crucial for improving grain yield in the dryland systems of the Mediterranean basin. This study explored the potential of nitrogen (N) fertilisation to increase grain yield by improving water use efficiency. The results showed that durum wheat and barley responded positively to N fertilisation under rainfed cultivation, leading to an average increase of 26% in grain yield compared to unfertilised controls. The response to N fertilisation was observed in both low and high yield potential cases, with grain number per unit area and total biomass at maturity being the main factors influencing grain yield. Barley and durum wheat had similar responses to N fertilisation.
EUROPEAN JOURNAL OF AGRONOMY
(2022)
Article
Agronomy
Saksham Pundir, Vikas Kumar Singh, Satish Kumar, Deepti Chaturvedi, Deepak Kumar, Rambir Singh Kanwar, Ashok Kumar, Andreas Boerner, Shiveta Sharma, Shailendra Sharma
Summary: In this study, a major QTL associated with the resistance to the cereal cyst nematode Heterodera avenae was identified in wheat. The resistant DH lines showed a decrease in the number of nematode juveniles with no presence of J4 stage juveniles compared to the susceptible lines. In addition, the resistant DH lines exhibited higher biological yield, grain yield, and harvest index compared to the known resistant parent over a span of two years. These findings suggest that the selected DH lines are potential pre-breeding materials to introduce novel genetic variations for H. avenae resistance in cultivated wheat.
GENETIC RESOURCES AND CROP EVOLUTION
(2023)
Review
Biochemistry & Molecular Biology
Xinxing Yang, Jie Chen, Yuan Ma, Minhua Huang, Ting Qiu, Hongwu Bian, Ning Han, Junhui Wang
Summary: Plant melatonin plays versatile roles in regulating plant growth and development through antioxidative, hormone crosstalk, and signaling mechanisms. This study provides a comprehensive analysis of barley melatonin biosynthesis genes and the effects of exogenous melatonin on barley growth and development. Understanding the function and regulation of barley melatonin can help enhance barley production, reduce pesticide usage, and improve the nutritional and healthcare values of barley in the food industry.
Review
Agronomy
Giorgia Capasso, Giorgia Santini, Mariagioia Petraretti, Sergio Esposito, Simone Landi
Summary: Barley, a major crop globally, has been genetically improved for higher yields but weakened in resilience to adverse environments. Climate change demands crop varieties that can grow under stress conditions, where wild varieties and landraces may play a crucial role.
Article
Plant Sciences
Brendan M. Kupke, Matthew R. Tucker, Jason A. Able, Kenton D. Porker
Summary: Matching flowering time to the optimal period is crucial for maximizing yield in Mediterranean cropping zones. Plant hormonal products, particularly gibberellin (GA), have shown potential for altering development and delaying flowering in barley. Trinexapac-ethyl, a GA inhibitor, was able to delay flowering and extend pre-anthesis phases of development in genetically diverse barley cultivars.
FRONTIERS IN PLANT SCIENCE
(2022)
Article
Plant Sciences
Haoyu Lou, Matthew R. Tucker, Neil J. Shirley, Jelle Lahnstein, Xiujuan Yang, Chao Ma, Julian Schwerdt, Riccardo Fusi, Rachel A. Burton, Leah R. Band, Malcolm J. Bennett, Vincent Bulone
Summary: This study reveals the key role of HvCslF3 in barley root development, specifically in the elongation zone, by regulating the level of (1,4)-β-linked glucoxylan. Heterologous expression of HvCslF3 in Arabidopsis mutants complements the mutant phenotype and alters epidermal cell fate, suggesting similar functions of CslD and CslF gene families in root growth regulation.
Article
Multidisciplinary Sciences
Zhen Yuan, Hongliang Yang, Leiwen Pan, Wenhui Zhao, Lunping Liang, Anicet Gatera, Matthew R. Tucker, Dawei Xu
Summary: This study identified 116 HvBAHD acyltransferases from the barley genome and classified them into different groups. The absence of Agmatine Coumarol Transferase (ACT), associated with resistance to Gibberella fungi, in Arabidopsis was found. The HvBAHD genes were found to be expressed in various tissues and developmental stages, with high expression in seedlings.
SCIENTIFIC REPORTS
(2022)
Article
Multidisciplinary Sciences
Riccardo Fusi, Serena Rosignoli, Haoyu Lou, Giuseppe Sangiorgi, Riccardo Bovina, Jacob K. Pattem, Aditi N. Borkar, Marco Lombardi, Cristian Forestan, Sara G. Milner, Jayne L. Davis, Aneesh Lale, Gwendolyn K. Kirschner, Ranjan Swarup, Alberto Tassinari, Bipin K. Pandey, Larry M. York, Brian S. Atkinson, Craig J. Sturrock, Sacha J. Mooney, Frank Hochholdinger, Matthew R. Tucker, Axel Himmelbach, Nils Stein, Martin Mascher, Kerstin A. Nagel, Laura De Gara, James Simmonds, Cristobal Uauy, Roberto Tuberosa, Jonathan P. Lynch, Gleb E. Yakubov, Malcolm J. Bennet, Rahul Bhosale, Silvio Salvi
Summary: Root angle in crops is an important trait for efficient utilization of soil resources. This study identifies a regulatory gene called EGT1 that controls root angle by affecting cell wall stiffness in elongating root cortical tissue. Mutations in the EGT1 gene result in a striking root phenotype with steeper growth angles in barley and wheat. These findings suggest that EGT1 plays a crucial role in exerting an antigravitropic mechanism to control root angle in cereal crops.
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA
(2022)
Article
Plant Sciences
Guillermo Garcia-Gimenez, Miriam Schreiber, George Dimitroff, Alan Little, Rohan Singh, Geoffrey B. Fincher, Rachel A. Burton, Robbie Waugh, Matthew R. Tucker, Kelly Houston
Summary: The transcriptional regulation of HvCslF6, the main gene contributing to (1,3;1,4)-beta-glucan biosynthesis in barley grain, was investigated. In-silico analysis of the putative promoter revealed over-representation of TF classes AP2/ERF, MYB, and bHLH. Functional characterization using a barley protoplast transient expression system identified HvMYB61 and HvMYB46/83 as putative activators of HvCslF6 expression.
FRONTIERS IN PLANT SCIENCE
(2022)
Article
Food Science & Technology
William Fairlie, James Edwards, Diane Mather, Haydn Kuchel
Summary: Late maturity alpha-amylase (LMA) is associated with elevated alpha-amylase in wheat grains, leading to reduced falling number and poor baking quality. LMA affects dough rheology, bread quality, and noodle properties, resulting in reduced utility in important wheat markets.
JOURNAL OF CEREAL SCIENCE
(2023)
Article
Plant Sciences
Xiujuan Yang, Laura G. Wilkinson, Matthew K. Aubert, Kelly Houston, Neil J. Shirley, Matthew R. Tucker
Summary: Research has found that the cell wall composition of the ovule in barley affects grain size. The ovule in barley contains two types of cells with different cell wall pectin structures, which influence grain growth.
Article
Biochemistry & Molecular Biology
Main Ern Ang, James M. Cowley, Kuok Yap, Michael G. Hahn, Deirdre Mikkelsen, Matthew R. Tucker, Barbara A. Williams, Rachel A. Burton
Summary: Upon wetting, chia nutlets produce a gel-like capsule of mucilage, which is a significant part of their dietary fibre content. The composition and structure of chia nutlet mucilage are complex and contain several types of polymers. The fermentation of chia nutlet mucilage is poor, with only oligosaccharides being fermentable substrates. Grinding chia nutlets improves the fermentation and bioaccessibility of key nutrients, including dietary fibre.
Article
Plant Sciences
Cindy Callens, Jose Fernandez-Gomez, Matthew R. Tucker, Dabing Zhang, Zoe A. Wilson
Summary: This study investigated the effects of high temperature on three European spring barley varieties and found that increased temperature severely impacted male reproductive organs while female reproductive organs were less susceptible. The timing of heat stress applied during floral development had a significant impact on fertility, and different cultivars showed varying sensitivities to high temperature.
FRONTIERS IN PLANT SCIENCE
(2023)
Article
Plant Sciences
C. Bindu Roy, Shashi N. Goonetilleke, Limiya Joseph, Anu Krishnan, Thakurdas Saha, Andrzej Kilian, Diane E. Mather
Summary: By genotyping and association analysis of Hevea brasiliensis clones, the genetic differences among clones from different geographical regions were revealed, and SNPs associated with resistance against Phytophthora, Corynespora, and Colletotrichum were identified.
Review
Biology
Jack H. Kelly, Matthew R. Tucker, Philip B. Brewer
Summary: Plants have the ability to sense their environment and adjust their growth accordingly, which is crucial for their survival. Strigolactones (SLs) are a type of plant hormone that plays a critical role in regulating lateral branching. When the growing conditions are poor, the production of SL increases, leading to a reduction in the number of branches a plant can produce. However, this response can also decrease crop yield. It has been discovered that natural variations in the SL hormone pathway have contributed to increased yields in staple crops like rice and maize. New technologies can be used to harness this knowledge and develop crop varieties with different SL functions, which can help improve crop architecture and yield in various environments.
Article
Plant Sciences
Caterina Selva, Xiujuan Yang, Neil J. Shirley, Ryan Whitford, Ute Baumann, Matthew R. Tucker
Summary: Analysis of barley multiovary mutants mov2.g and mov1 reveals the roles of HvSL1 and HvMADS16 genes in the development of cereal florets. The study identifies the genetic determinants and conservation in stamen formation pathways among cereals while also highlighting species-specific differences. The findings provide insights into floral architecture in Triticeae and contribute to crop improvement efforts.
JOURNAL OF EXPERIMENTAL BOTANY
(2023)
Article
Forestry
Gina M. Sideli, Diane Mather, Michelle Wirthensohn, Federico Dicenta, Shashi N. Goonetilleke, Pedro Jose Martinez-Garcia, Thomas M. Gradziel
Summary: Almond shell hardness is an important quality trait for protecting the kernel and influences shelling or crack-out percent. Different markets prefer different shell hardness, with the U.S. and Australian markets favoring soft to semi-hard shells, while the European market prefers hard shells. This study identified genetic loci associated with shell hardness and developed a highly predictive assay for use in marker-assisted breeding.
TREE GENETICS & GENOMES
(2023)
Article
Biochemistry & Molecular Biology
Chaoqun Shen, Yueya Zhang, Gang Li, Jin Shi, Duoxiang Wang, Wanwan Zhu, Xiujuan Yang, Ludovico Dreni, Matthew R. Tucker, Dabing Zhang
Summary: Temperature is an important factor affecting plant growth and diversity. This study reveals a previously unknown mechanism of plant floral organ development and temperature response. The MADS8 gene plays a conserved role in maintaining pistil number and ovule initiation in barley and rice, and its activity is temperature-dependent. This study also uncovers the regulatory relationship between MADS8 and other genes.
Article
Plant Sciences
Virginia W. Mwape, Kelvin H. P. Khoo, Kefei Chen, Yuphin Khentry, Toby E. Newman, Mark C. Derbyshire, Diane E. Mather, Lars G. Kamphuis
Summary: This study investigates the inheritance of resistance to Sclerotinia stem rot in chickpea. Four quantitative trait loci associated with the disease response were identified, which may be involved in various processes, including phenylpropanoid biosynthesis, plant-pathogen interaction, and plant hormone signal transduction. The findings of this study are important for marker-assisted selection in chickpea breeding.
FUNCTIONAL PLANT BIOLOGY
(2022)
