Field Crops Research, Год журнала: 2025, Номер 322, С. 109738 - 109738
Опубликована: Янв. 21, 2025
Язык: Английский
Agronomy, Год журнала: 2022, Номер 12(8), С. 1795 - 1795
Опубликована: Июль 29, 2022
With increasingly frequent extreme weather events, lodging has become an important limiting factor for crop yield and quality mechanical harvesting. Lodging resistance is a precondition “super high yield” crops, the question of how to achieve guarantee urgent scientific problem. Here, we summarize anatomical results stems find that closely related stem components. Therefore, focus on roles lignin, cellulose hemicellulose, which provide rigidity strength, in resistance. By combing synthetic regulatory molecular network only some genes involved biosynthesis regulation cellulose, hemicellulose have been shown significantly affect However, many relevant remain be studied sufficient detail determine whether they can applied breeding This work provides valuable information future studies
Язык: Английский
Процитировано
61
Journal of Integrative Agriculture, Год журнала: 2022, Номер 21(5), С. 1290 - 1309
Опубликована: Апрель 7, 2022
High yields of wheat are mainly obtained through a high level nitrogen and irrigation supplementation. However, excessive supplication increase the risk lodging. The main objectives this work were to clarify capacity lodging resistance in response irrigation, as well explore effective ways improving high-yield cultivar. In study, field experiments conducted 2015–2016 2016–2017 growing seasons. A cultivar Jimai 22 (JM22), which is widely planted northern Huang-Huai winter region, was grown at Tai'an, Shandong Province, under three rates four treatments. increased with rate, indicated by increasing index (LI) rate across both With increasing, plant height, basal internode length center gravity positively correlated LI, significantly. While density 2nd (for culm leaf sheath) cell wall component contents, negatively decreased conspicuous along increased. Increasing supplementation thickness, breaking strength sheath within limits stem strength. Among treatments, application 240 kg ha–1 600 m3 jointing anthesis stages resulted highest yield strongest stem. suitable height ensures sufficient biomass for yield, higher stiffness, primarily attributed thicker wall, greater sheaths contents characteristics that should be taken into account resistance.
Язык: Английский
Процитировано
58
Field Crops Research, Год журнала: 2022, Номер 289, С. 108733 - 108733
Опубликована: Окт. 25, 2022
Язык: Английский
Процитировано
44
The Plant Journal, Год журнала: 2023, Номер 113(6), С. 1237 - 1258
Опубликована: Янв. 12, 2023
Stem strength is an important agronomic trait affecting plant lodging, and plays essential role in the quality yield of plants. Thickened secondary cell walls stems provide mechanical that allows plants to stand upright, but regulatory mechanism wall thickening stem cut flowers remains unclear. In this study, first, a total 11 non-redundant Paeonia lactiflora R2R3-MYBs related were identified isolated from cut-flower herbaceous peony, among which PlMYB43, PlMYB83 PlMYB103 most upregulated differentially expressed genes. Then, expression characteristics revealed these three specifically acted as transcriptional activators. Next, biological function verification showed P. positively regulated strength, thickness lignin deposition. Furthermore, yeast-one-hybrid dual luciferase reporter assays demonstrated they could bind promoter caffeic acid O-methyltransferase gene (PlCOMT2) and/or laccase (PlLAC4), two key genes involved biosynthesis. addition, PlLAC4 increasing deposition was confirmed by virus-induced silencing overexpression. Moreover, also act activator PlMYB43. The findings study propose network modulating biosynthesis for improving lodging resistance, resource molecular genetic engineering breeding flowers.
Язык: Английский
Процитировано
40
Journal of Experimental Botany, Год журнала: 2025, Номер unknown
Опубликована: Янв. 9, 2025
Abstract Sorghum is emerging as an ideal genetic model for designing high-biomass bioenergy crops. Biomass yield, a complex trait influenced by various plant architectural characteristics, typically regulated numerous genes. This study aimed to dissect the regulators underlying fourteen traits and ten biomass yield in Association Panel across two growing seasons. We identified 321 associated loci through genome-wide association studies (GWAS), involving 234,264 single nucleotide polymorphisms (SNPs). These include genes with known associations traits, such ‘maturity’, ‘dwarfing (Dw)’, ‘leafbladeless1’, well several uncharacterized not previously linked these traits. also 22 pleiotropic variation multiple phenotypes. Three of loci, located on chromosomes 3 (S03_15463061), 6 (S06_42790178; Dw2), 9 (S09_57005346; Dw1), exerted significant consistent effects both Additionally, we three genomic hotspots 6, 7, 9, each containing SNPs architecture Chromosome-wise correlation analyses revealed blocks positively near or within same regions. Finally, correlation-based network analysis showed that flowering, heights, leaf density, tiller number per were highly interconnected other influencing The pyramiding favorable alleles related holds promise enhancing future development sorghum
Язык: Английский
Процитировано
1
Plant Stress, Год журнала: 2025, Номер 15, С. 100777 - 100777
Опубликована: Фев. 22, 2025
Язык: Английский
Процитировано
1
Current Opinion in Plant Biology, Год журнала: 2020, Номер 56, С. 259 - 272
Опубликована: Июль 15, 2020
Язык: Английский
Процитировано
66
Journal of Integrative Plant Biology, Год журнала: 2021, Номер 64(1), С. 23 - 38
Опубликована: Ноя. 16, 2021
Significant achievements have been made in breeding programs for the heavy-panicle-type (HPT) rice (Oryza sativa) Southwest China. The HPT varieties now exhibit excellent lodging resistance, allowing them to overcome greater pressures caused by heavy panicles. However, genetic mechanism of this resistance remains elusive. Here, we isolated a major quantitative trait locus, Panicle Neck Diameter 1 (PND1), and identified causal gene as GRAIN NUMBER 1A/CYTOKININ OXIDASE 2 (Gn1A/OsCKX2). null gn1a allele from line R498 (gn1aR498 ) improved through increasing culm diameter promoting crown root development. Loss-of-function Gn1a/OsCKX2 led cytokinin accumulation tip accelerated development adventitious roots. Gene pyramiding between gn1aR498 with two gain-of-function alleles, STRONG CULM (SCM2) SCM3, further resistance. Moreover, had minimal influence on overall quality. Our research thus highlights distinct components provides strategy tailor-made crop improvement both yield rice.
Язык: Английский
Процитировано
47
Biological Control, Год журнала: 2024, Номер 192, С. 105507 - 105507
Опубликована: Март 25, 2024
Rice (Oryza sativa) is a globally important staple food, but its production was influenced by various biotic and abiotic stresses. This study involved screening endophytic bacterial strains for their antagonistic activities control efficacy against multiple rice pathogens in planta assays. Subsequent greenhouse investigations identified Bacillus velezensis LS123N as the most promising strain effectively controlling diseases, including blight, blast, bakanae disease, Pythium brown spot disease. Field trials further demonstrated that significantly reduced naturally occurring disease caused Bipolaris oryzae both seedlings mature plants, increased yields. For spot, only single treatment during seed germination resulted significant efficacy. The application of aligns with common cultivation practices. Additionally, exhibited capacity to improve resistance wind stress enhance growth seedling stage. Endophytic colonization evidenced from plants after treatment. Interestingly, expression many defense genes suppressed within 48 h introduction. In vitro assays showed inhibited spore normal germ tubes B. oryzae, produced hydrolases, siderophores, IAA, had ability solubilize phosphorus compounds. summary, these results indicate biocontrol agent has potential be developed into biofungicide, biofertilizer, biostimulator.
Язык: Английский
Процитировано
6
Agriculture, Год журнала: 2024, Номер 14(5), С. 758 - 758
Опубликована: Май 13, 2024
Using beneficial microorganisms, such as purple non-sulfur bacteria (PNSB), has shown enormous potential for improving plant growth and agricultural production. However, the full extent of their benefits interactions with practices is yet to be fully understood. The present study aimed investigate use PNSB in crop rotation practice, focusing on its impact rice yield. experiment was conducted over two cropping seasons, djulis grown between a crop. shows that treatment increased concentration 5-aminolevulinic acid (5-ALA) plants, indicating enhanced photosynthesis. Moreover, when combined rotation, remarkably improved soil fertility. These resulted substantial increases tiller numbers (163%), leaf chlorophyll content (13%), lodging resistance (66%), compared untreated plants. also higher productive tillers per hill (112%), average grain (65%), fertility (26%). This led yield shoot dry weight (15%), harvest index (37%). findings clearly suggest incorporation strategies can significantly augment crops. insights, pivotal sustainable cultivation, hold simultaneously tackle pressing issues global food security climate change.
Язык: Английский
Процитировано
6