Seeds - Science topic

Nurserymen and propagators propagate different types of horticulture plants with seeds, cuttings, and other methods. Regardless of the medium used, an ideal medium should have the following characteristics.

Dear Colleagues, Morpho-colorimetric analysis has become a powerful tool in botanical research, providing a quantitative alternative and/or extension to conventional methodologies. In the last two decades, image morpho-colorimetric analysis has gained considerable attention in plant research for its potential to automate seed discrimination, repl...

The toxicity of two microbial insecticides, abamectin (AB) and emamectin benzoate (EM) at 0.25 and 0.5 mg/kg, and three monoterpenes, carvone (CA), p-cymene (CY), and menthone (ME) at 0.625, 1.25, and 2.5 g/kg and their combined treatments was assessed against Callosobruchus maculatus (F.) on cowpea seeds. Adult mortality (after 3 and 7 days), prog...

Dams, weirs and transverse barriers to rivers interrupt sediment continuity and reduce sediment supply down- stream. In this regard, dam removal is an increasingly used river restoration measure to recover longitudinal connectivity of sediment, among many other river processes. In this work we present a 6-year (from 2016 to 2022) monitoring of bedl...

Due to its favorable traits—such as lower lignin content, higher oil concentration, and increased protein levels—the genetic improvement of yellow-seeded rapeseed has attracted more attention than other rapeseed color variations. Traditionally, yellow-seeded rapeseed has been identified visually, but the complex variability in the seed coat color o...

Age-related macular degeneration (AMD) is a major cause of vision loss among adults. We investigated the protective effects of passion fruit seed extract (PFSE) and its rich polyphenol piceatannol in an AMD cell model in which human retinal pigment epithelial ARPE-19 cells were exposed to hydrogen peroxide (H2O2). Using a cell viability WST-8 assay...

This paper describes new approaches to the solution of a sequence of large linear systems of equations or large linear least squares problems with the same matrix and several right-hand side vectors that represent data. We consider both the situations when the matrix of the systems to be solved is fairly well-conditioned and when the matrix is very...

The efficiency of marine cloud brightening in cooling Earth's surface temperature is investigated using an ensemble of simulations with the Community Earth System Model version 2 (CESM2). We employ a susceptibility‐based cloud seeding strategy, previously developed under the Community Climate System Model version 3 (CCSM3) to counteract the warming...

Dynamic transverse mode instability (TMI) has become one of the primary limitations for power scaling of high-power fiber lasers. Experimental evidence has shown that static mode degradation can suppress the dynamic TMI effect. This study reveals the physical mechanisms behind the mitigation of dynamic TMI in two-mode fiber lasers through static mo...

Interactions with mycorrhizal fungi are increasingly recognized as crucial ecological factors influencing orchids’ distribution and local abundance. While some orchid species interact with multiple fungal partners, others show selectivity in their mycorrhizal associations. Additionally, orchids that share the same habitat often form relationships w...

The genetic analysis in F 3 crosses in soybean was undertaken with a view to estimate genetic parameters and to identify potential F 3 crosses at experimental farm of Agricultural Botany Section, College of Agriculture,Nagpur. Eight F 3 crosses and check (JS 335) were raised during kharif 2018 in Randomized Block Design in three replications and da...

As opposed to the deterministic, static and block universe of Parmenides that has generally been considered ̳official‘ by philosophers and clergy alike, the present study aims at outlining the contours of a world with open future. Contrary to the philosophy of being, this work advocates the philosophy of becoming. The task has been undertaken in th...

The study was carried out in Hindaun block of Karauli district of Rajasthan. The Hindaun block was purposively selected because of large number of farmer participation in KVK's training programme. The data regarding gain in knowledge and adoption level about improved Guar (Cluster bean) production technologies were recorded under two heads like; kn...

The pharmacological potential of noni plant seed was evaluated using its ethanol extracts on the anti-inflammatory, antidiabetic, and antioxidant effects. Heat-induced haemolysis and albumin denaturation were used to assess the anti-inflammatory effects of the extract. In contrast, its inhibition against α-amylase and α-glucosidase activities was u...

Convolvulus arvensis L., has both competitive and invasive properties that can directly or indirectly damage the other plants by production of carbon-based chemicals known as allelochemicals. The goal of the current investigation is to find the allelopathic capability of Convolvulus arvensis L. against Zea mays L. Leaves of Convolvulus arvensis L.,...

São José dos Pinhais, Paraná, Brasil. IS S N: 2 17 8-9 01 0 DO I: http: // doi .o rg /1 0 .7 7 69 /g es e c.v 1 6 i1. 46 20 Produtividade e peso de mil sementes em função de inoculação e coinoculação em cultivares de soja (Glycine max L.) cultivadas em terras baixas Productivity and thousand seed weight in response to inoculation and co-inoculation...

Background α‐synuclein (αSyn) aggregates are a common co‐pathology in Alzheimer’s disease (AD) and can be identified in CSF with high reliability using the Seed Amplification Assay (SAA). While AD prevalence and impact on cognition are higher in women, the opposite pattern is found for α‐synucleinopathies. Our objective was to study the independent...

Lolium multiflorum seeds were tested by MALDI TOF-TOF MS using 3 extraction solvents (NaCL neutral, NaCl acid, propanol). Our aim is to develop a method for grass seed testing. Among the 3 methods, only the propanol extraction agent was able to obtain a noise-free spectrum, revealing the m/z values of the reserve protein in the italian ryegrass see...

Tıbbi tohum

A study was carried out to assess the effectiveness of various insecticides as seed treatment (chlorantraniliprole 625 FS, cyantraniliprole 600 FS, thiamethoxam 30 FS, imidacloprid 600 FS, cyantraniliprole 19.8 + thiamethoxam 19.8 FS) against FAW under laboratory and field conditions. The results of the experiments revealed that chlorantraniliprole...

Background Population‐based functional connectomes help explain heterogeneity in tau spread in Alzheimer’s disease by demonstrating spread among connected neurons from canonical epicenters. However, if the hypothesis of cell‐to‐cell transmission of tau is correct, individual structural connectomes seeded from individual‐specific epicenters of PET‐t...

The decomposition of residual chitosan-based composite seed coating in kaolin under different temperatures and salinities is analyzed with a Fourier transform infrared spectroscopy (FT-IR). The degradation cycle is 28 days. The results show that a residue of the chitosan-based composite seed coating still exists in the kaolin on Day 7. From Day 7 t...

The objective of this activity is to evaluate, select and recommend the high yielding, adaptable, stable and disease resistant varieties. This activity has been done during the 2023 and 2024 main cropping seasons. A total of six groundnut varieties including local were evaluated using RCBD with three replications. The data on days to 50% flowering...

Aims: An appropriate date of sowing and selecting a suitable variety are the most important factors to produce chickpea (Cicer arietinum L.). Thus, a field experiment was conducted to determine the impact of sowing dates on the growth and yield of chickpea varieties. Study Design: The experiment was laid out in a split-plot design. Place and Durati...

Understanding the drivers of invasive species’ success is essential for predicting and managing their ecological impacts. Symphyotrichum squamatum, a South American species first recorded in Bucharest in 2015, is currently expanding into urban and peri-urban areas of Romania, raising concerns about its invasive potential. This study provides a comp...

This paper explores the dynamics of cosmological inflation, a pivotal theory in modern cosmology that explains the rapid exponential expansion of the universe in its early moments. It delves into the generation and evolution of cosmological perturbations-small fluctuations in density and curvature-during inflation. The paper formulates the equation...

Background α‐Synuclein is the hallmark pathology of Parkinson’s disease and dementia with Lewy bodies, described together as Lewy body disease (LBD). α‐Synuclein is also commonly observed in the context of Alzheimer’s disease (AD). Here we investigate the frequency of α‐synuclein positivity in an AD research cohort and clinically unimpaired individ...

An experiment was conducted at Cotton Research Sub-Station, Navsari Agricultural University, Achhalia (Gujarat) for six years (2017-18 to 2022-23). Eight treatment combinations comprising of two potash levels (60 and 120 kg K2Oha-1) and four frequency of application Every year (full dose as basal), Every alternate year (full dose as basal), Every y...

Background Population‐based functional connectomes help explain heterogeneity in tau spread in Alzheimer’s disease by demonstrating spread among connected neurons from canonical epicenters. However, if the hypothesis of cell‐to‐cell transmission of tau is correct, individual structural connectomes seeded from individual‐specific epicenters of PET‐t...

Industrial hemp (Cannabis sativa L.) is an ancient crop used throughout history for fiber, oilseed, and therapeutic compounds. Hemp varieties were cultivated across diverse environments in the United States, but knowledge of those agronomic practices along with genetic resources was lost during a period in which cultivation of cannabis was prohibit...

The current study confirmed the biostimulant potential of the crude extract from the macroalgae Kappaphycus alvarezii on the common bean Phaseolus vulgaris crop. The macroalgae extract was utilized in the pre-germinative treatment of seeds at concentrations of 0%, 1%, or 2% and in the root irrigation treatment at concentrations of 0%, 0.1%, or 0.2%...

Мета представленого огляду – аналіз та узагальнення наявних досліджень щодо біологічних особливостей квасолі звичайної та аспекти технології вирощування на насіння в умовах України. Відповідно аналізу та узагальнення досліджень авторів визначено, що в нашій країні з родини бобові (Fabaceae) вирощується три види квасолі: звичайна (Phaseolus vulgaris...

We present Cryptomite , a Python library of randomness extractor implementations. The library offers a range of two-source, seeded and deterministic randomness extractors, together with parameter calculation modules, making it easy to use and suitable for a variety of applications. We also present theoretical results, including new extractor constr...

Inflationary quantum fluctuations have long been recognized as the seeds for cosmic structure formation. This paper explores the hypothesis that inflationary quantum fluctuations played a pivotal role in the genesis of dark matter. Using a combination of quantum field theory and cosmological perturbation theory, we investigate how quantum fluctuati...

A tunable high-power 60 MHz ultraviolet pulse laser directly produced by the extra-cavity fourth-order harmonic generation of a self-similar amplification infrared pulse laser is reported in this study. Utilizing the self-similar pulse evolution and the self-phase modulation in a self-similar amplifier, the system generates a 58.9 W pulse train wit...

This study was carried out at Grdarasha field /Collage of Agricultural Engineering Science during 2023-2024. A factorial experiment based on randomized complete block design (RCBD), with three replicates, sowing dates (December 23th, 2023, January 17th, 2024 and February 11th, 2024), and three varieties of chickpea (Rafidain, Gab3 and TH85) were im...

Tapered diode lasers, composed of an index-guided ridge waveguide and a gain-guided tapered amplifier, are affected by polarization mismatch between the ridge and tapered sections. Beam quality deterioration is caused by TM high-order modes generated in the ridge section. Under high current injection, these TM modes are further amplified in the tap...

We investigate AGN feedback from an intermediate-mass black hole at the center of a dwarf spheroidal galaxy, by performing isolated galaxy simulations using a modified version of the GADGET-3 code. We consider Leo II (PGC 34176) in the Local Group as our simulation reference model. Beginning with black hole seeds ranging from $10^3$ to $10^6$ M$_{\...

As climate warms, trees are expected to track their ideal climate, referred to as ‘range shifts’; however, lags in tree range shifts are currently common. Disturbance events that kill trees may help catalyse tree migrations by removing biotic competition, but can also limit regeneration by eliminating seed sources, and it is unknown whether disturb...

- A study of multiple runs of a stochastically-simulated activity-based travel demand model, differing only by the random number sequence (from the seed) used to sample activity and travel outcomes by each individual. - Shows patterns of random variability, unlike previous studies giving selected ad-hoc measurements. - Relates these patterns to law...

The processing of beans begins with a particularly time-consuming procedure, the hydration of the seeds. Ultrasonic treatment (US) represents a potential environmentally friendly method for process acceleration, while near-infrared spectroscopy (NIR) is a proposedly suitable non-invasive monitoring tool to assess compositional changes. Our aim was...

Significant strides have been made in emotion recognition from Electroencephalography (EEG) signals. However, effectively modeling the diverse spatial, spectral, and temporal features of multi-channel brain signals remains a challenge. This paper proposes a novel framework, the Directional Spatial and Spectral Attention Network (DSSA Net), which en...

Divertor asymmetry is a major challenge in achieving high-power, long-pulse discharges in future fusion reactors. Impurity seeding is the most common method for achieving divertor detachment in fusion devices. In this study, the SOLPS-ITER code is used to investigate the impact mechanisms of nitrogen (N) and neon (Ne) impurity seeding on the asymme...

Optical atomic clocks have demonstrated revolutionary advances in precision timekeeping, but their applicability to the real world is critically dependent on whether such clocks can operate outside the laboratory. Photonic integration offers one compelling solution to address the miniaturization and ruggedization needed to enable clock portability,...

We present a dynamic scaling theory to describe relaxation dynamics following a magnetic-field quench near an unconventional phase transition in the magnetic material spin ice. Starting from a microscopic model, we derive an effective description for the critical dynamics in terms of the seeding and growth of string excitations, and use this to fin...

Entada pursaetha DC., a gigantic woody liana, is significant for its large woody pods and seeds, with immense ecological, medicinal, and economic value. Distributed across tropical regions, it thrives along streams and humid forests, aiding biodiversity. Tribal communities utilize it as food, medicine, and income through its saponin-rich seeds used...

I hypothesize a physical explanation for the "Little Red Dots" (LRDs) discovered by the James Webb Space Telescope (JWST). The first star formation in the universe occurs in dense clusters, some of which may undergo runaway collapse and form an intermediate mass black hole. This process would appear as a very dense stellar system, with recurring ti...

This study includes culture at laboratory unit by feeding it at Moringa oleifera by using different levels of M. oleifera leaves including 2% (T2), 4% (T3), and 6% (T4), comparing with control treatments without M. oleifera (T1). White blood cell counts characteristics show that all diets T1, T2, and T4 take the same value, with the exception of a...

This paper investigates the compatibility of pronounced detachment with improved confinement based on the NBI-heated HL-2A L-mode plasma with low-density. Through impurity seeding, radiation becomes higher at plasma edge and causes edge cooling after pronounced detachment. Turbulent transport is examined in detail by experiments and global integrat...

A coherent optical frequency comb (OFC) with suppressed linewidth is demonstrated based on the spectral broadening of a directly modulated semiconductor microcavity laser with self-injection locking. Due to the high electro-optical response, the directly modulated microcavity laser provides a 10-GHz-spaced seeding OFC with 9 comb teeth in a 10 dB f...

This study aimed to identify the determinants of adoption of quality protein maize (QPM) varieties. QPM varieties are promoted as a solution to the problem of undernutrition, and their adoption is especially important in areas where maize is a nutritional staple food source. This study employed a cross-sectional design. A multistage sampling proced...

China’s wind power generation is rich in resources and mature technology, but has the problems of harsh power generation environment, high operation and maintenance costs due to complex operating conditions, and serious consequences of failures. For this reason, this paper proposes a more efficient defect identification method for wind turbine blad...

Seed size and weight are considered important factors influencing crop yield and they are key domestication target in the peanut breeding. Seed weight-related traits include Extra-large kernel weight (ELKW), Medium kernel weight (MKW), Normal kernel weight (NKW), and Mini kernel weight (MNKW), as well as Yield per plot (YP) and Yield per hectare (Y...

We establish new correlation bounds and pseudorandom generators for a collection of computation models. These models are all natural generalizations of structured low-degree $F_2$-polynomials that we did not have correlation bounds for before. In particular: 1. We construct a PRG for width-2 $poly(n)$-length branching programs which read $d$ bits a...

The germination speed and completeness of bitter gourd seeds were enhanced using two seed coat treatments: scarification and removal of the seed coat. In comparison to the scarified seed and control, removing the seed coat improved the germination speed and completeness, making it the most successful method. When there are not enough seeds or when...

Parkinson’s disease (PD) is the second most common neurodegenerative disease in the world. Currently, PD is incurable, and the diagnosis of PD mainly relies on clinical manifestations. The central pathological event in PD is the abnormal aggregation and deposition of misfolded α-synuclein (α-Syn) protein aggregates in the Lewy body (LB) in affected...

Climate change being the most debatable topic in recent time fuels concerns over traditional rice cultivation practices. Direct seeded rice cultivation (DSR) method has emerged as a promising alternative to the puddled transplanted rice (PTR) method. However, the success of DSR cultivations depends majorly on selecting suitable rice varieties. Loca...

Nannorrhops H.Wendl., comprises two valid species distributed in Irano-Turanian and Saharo-Indian regions, respectively. In the present study, Nannorrhops baluchestanica Khodash., is newly recorded from Kulbar Koar area in Tehsil Tump of Kech district of Balochistan province of Pakistan. Epidermal, leaf segment and rachilla anatomy, palynological c...

The effect of foliar application of plant growth regulator viz. GA 3 in different growth stages was investigated on growth and yield of black cumin at Horticulture Research Field, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur, Bangladesh in Rabi season of 2012. The experiment consisted of 7 levels of GA 3 (0, 25, 50, 75, 100, 1...

The burgeoning presence of artificial intelligence in our lives precipitates a fundamental inquiry: will its ascendancy catalyze unprecedented prosperity or exacerbate existing economic disparities? As we stand at the cusp of this technological revolution, it is imperative to scrutinize the potential consequences of AI's pervasive integration into...

Background Intermediate species in the assembly of amyloid filaments are believed to play a central role in neurodegenerative diseases and may constitute important targets for therapeutic intervention. Method We used time‐resolved cryogenic electron microscopy (cryo‐EM) to study the in vitro assembly of recombinant truncated tau into paired helica...

Estimating ego-motion in autonomous vehicles is critical for tasks such as localization, navigation, obstacle avoidance, and so on. While traditional methods often rely on direct pose estimation or AI-based approaches, these can be computationally intensive, especially for small, incremental movements typically observed between consecutive frames....

The practical application of hierarchical porous carbon materials in supercapacitors (SCs) promoted the development of a simple and sustainable preparation method. Plane tree seed-based porous carbon (PBC) was synthesized using static air activation with plane tree seeds as precursors and their hierarchical porous structure was regulated by control...

Background Alzheimer’s disease (AD) is pathologically defined by the presence of extracellular Aβ plaque and intracellular tau inclusions. Emerging evidence shows that tau aggregates contain pathogenic bioactivities of templating monomeric tau into filamentous fibrils and propagating through cells. Based on these findings, assays have been develope...

This study was conducted at Al-Jaflawi Poultry Hatchery/Babil Governorate from November 22, 2024 to November 25, 2024 to study the effect of injecting hatching eggs with different levels of aqueous extract of annatto seeds on some hatching characteristics of broiler chicks exposed to nutritional fasting. The experimental groups were the first group...

This research aims to determine the best dose of KCl fertilizer and humic acid for peanut yields. The study was conducted using a split-plot design with two factors, and each factor was repeated three times. The dose of KCl as a subplot consisted of 4 levels (0, 50, 75, and 100 kg/ha), while humic acid as the main plot consisted of 4 levels (0, 10,...

Background Neurodegenerative diseases with the presence of tau pathology account for 90% of dementia in human patients, the most common of which is Alzheimer’s disease (AD). Although therapeutic approaches targeting tau and tau pathology are still under development, it remains unclear how tau targeting antibodies can inhibit the development of tau...