A feeding trial was conducted to investigate the effects of dietary fructooligosaccharide (FOS) on growth performance, body composition, intestinal enzymes activities and histology fingerling Megalobrama amblycephala. total 1200 fish (1.42 ± 0.01 g) were fed diets containing graded levels FOS (0, 0.5, 1, 2, 4 8 g kg−1 diet) for weeks in a recirculating system indoor. The weight gain, specific rate (SGR) survival all improved supplementation fish. Increasing resulted both higher whole-body...

Abstract Waterlogging tolerance (WT) is a major objective in chrysanthemum breeding programs, and although certain genotypes with different levels have been identified, their value as parents for WT unknown. Here, twelve F 1 crosses derived from an incomplete diallel mating scheme were conducted to investigate combining ability heterosis relationships parental genetic distance. The results showed that the membership function of waterlogging (MFVW) was controlled by additive non-additive gene...

Understanding spatiotemporal shifts in vegetation and their climatic anthropogenic regulatory factors can offer a crucial theoretical basis for environmental conservation restoration. In this article, the normalized difference index (NDVI) of Miaoling area from 2000 to 2020 is studied using trend analysis Mann–Kendall mutation test (MK test) review vegetation’s dynamic changes. Our study uses Hurst index, partial correlation analysis, geographic detector investigate contributions climate...

Varieties of the economically important ornamental species chrysanthemum have been bred to fit a number market niches, but genetic basis and evolutionary relationships among various cultivated types are poorly understood. Here, DNA marker-based analysis 199 entries representing each five is presented. A set >90,000 single nucleotide polymorphisms (SNPs) associated with minor allele frequency at least 5% was defined, used perform phylogenetic which corresponded well phenotypic classification....

Epiphytic bacteria on the surfaces of submerged macrophytes play important roles in growth host plant, nutrient cycling, and conversion pollutants aquatic systems. A knowledge epiphytic bacterial community structure could help us to understand these roles. In this study, abundance, diversity, functions Myriophyllum spicatum collected from Baiyangdian Lake June, August, October 2019 were studied using quantitative PCR (qPCR), high-throughput sequencing, prediction functions. An analysis qPCR...

Studying the spatio-temporal changes and driving mechanisms of vegetation’s net primary productivity (NPP) is critical for achieving green low-carbon development, as well carbon peaking neutrality goals. This article employs various analytical approaches, including Carnegie–Ames–Stanford approach (CASA) model, Theil–Sen median estimator, coefficient variation, Hurst index, land-use land-cover change (LUCC) transition matrix, to conduct a thorough study NPP variations in Shandong Hilly Plain...

Some peroxidases (PRXs) are involved in abiotic stress response. However, to the best of our knowledge, effects PRXs on agronomic traits including grain number per spike (GNS), spikelet (SNS) and length (SL) also largely unknown. In study, we cloned a wheat PRX gene TaPRX-2A identified its function controlling GNS by generating transgenic overexpression lines. The results showed that displayed lower shorter SL, compared with wild-type plants. RNA-seq analysis indicated alterations various...

Southwest China’s karst region represents a global hotspot for ecological restoration, with natural succession on abandoned farmland emerging as pivotal mechanism under recent land-use transitions. Despite its significance, empirical data remain scarce regarding tree growth characteristics in this fragile ecosystem. This seven-year study (2018–2024) at Puding Karst Ecosystem Research Station quantified the spatiotemporal patterns of through monthly diameter breast height (DBH) measurements...

Multidrug resistance (MDR) bacteria pose a serious threat to human health, and the development of effective antimicrobial drugs is urgent. Herein, we used alkyl chain engineering design synthesize two series peptide mimics with distinct cores: triphenylamine quaternary ammonium derivatives (TPQs) diphenylethene (BPQs), investigated effect varying lengths on antibacterial activity. We found that introduction group significantly enhances activity short-chain dimethyl while maintaining their...

Abstract Because of the difficulty producing F 1 hybrid seeds by hand emasculation and pollination, wide use heterosis in cotton production has been limited China. The objective this study was to evaluate potential 2 hybrids for yield fibre quality. A half diallel involving eight parents their grown replicated studies at Linqing Nanjing 1999 2000. Yield quality determined all 64 entries. Fibre also s, but only Zhongmiansuo 28 (ZMS28), Xiangzamian (XZM2) Wanmian 13 (WM13) s. These three are...

In the arid and semi-arid regions of Northwest China, periodic rainfall deficits, high field evaporation, limited freshwater resources, irrigation costs restrict crop yield water productivity (WP). Gravel mulching (GM), a traditional agricultural tillage management practice widely used in regions, improves WP. However, combined impacts GM on WP are unclear. This study aimed to examine effects under different factors find most critical regional gravel characteristics that affect To...

<ja:p>The biomass of a secondary evergreen and deciduous broad-leaved mixed forest was comprehensively inventoried in permanent 2 ha plot southwestern China. Biomass models, sub-sampling, soil pit method, published data were utilized to determine the all components. Results showed that total 158.1 Mg ha; included major aboveground (137.7 ha) belowground (20.3 components vascular plants as well minor bryophytes (0.078 lichens (0.043 ha). The necromass 17.6 woody debris (9.0 Mg litter (8.6...

In this study, six antibiotics which are antagonistic to phytopathogens were extracted from the water-washed cell pellets of Bacillus amyloliquefaciens NJN-6. They purified by HPLC and identified using electrospray ionization mass spectroscopy (ESI-MS). Besides three iturin A homologous macrolactin A, two other kinds B. An antifungal compound with molecular 1072 Da was as bacillomycin D, antibacterial 400 E. We also quantified in both culture media, concentrations 751·12 mg kg(-1) 21·02...

The fragile karst habitat is extremely sensitive to human activities such as large-scale engineering construction. To explore the influence of construction and operation GH (Guiyang-Huangguoshu) highway on vegetation within a certain range response NDVI climate factors, Landsat data were used synthesize annual maps using maximum value compositing method. Trend, correlation, coefficient variation analyses performed. results demonstrate that: (1) During periods, showed an overall upward trend,...

Electrical control of conductivity and magnetism in two-dimensional (2D) ferroelectric (FE) materials have attracted immense attention due to their fascinating properties potential applications designing field-effect transistors high-density multistate data storage. Based on first-principles calculations crystal field theory, we present an approach obtain 2D intrinsic asymmetric multiferroics by replacing the In atom In2X3 monolayer (X = S, Se) with Cr atom. Interestingly, it is found that...

The Chishui River Basin, a vital waterway in Southwest China, has experienced rapid urbanization, leading to significant ecological and environmental changes, among which the urban heat island (UHI) effect is particularly pronounced. UHI not only affects quality of life for residents but also influences energy consumption climate change, underscoring need in-depth study its spatial distribution contributing factors. unique karst topography region further complicates research, necessitating...

The incorporation of carbonate has been recognized as an evident change in bone mineral (bioapatite) during aging. Laying hens (Gushi layer) at 4 stages age (8 each stage) were studied by Raman spectroscopy and X-ray radiography to investigate the mineralogical changes density, respectively. Cortical bones humerus femur show a rapid increase (∼1.9 wt.%) from sexual maturity peak hens' laying period, while densities cortical are relatively stable. Before maturity, density increases...