نتایج جستجو برای: wheat samples

تعداد نتایج: 474007  

Journal: :Journal of economic entomology 2003
N C Elliott K L Giles T A Royer S D Kindler F L Tao D B Jones G W Cuperus

The numbers of greenbugs, Schizaphis graminum (Rondani), and bird cherry-oat aphids, Rhopalosiphum padi L., per wheat tiller (stem) were estimated in 189 production winter wheat (Triticum aestivum L.) fields located throughout Oklahoma. Taylor's power law regressions were calculated from these data and used to construct fixed precision sequential sampling schemes for each species. An evaluation...

Journal: :Journal of the science of food and agriculture 2010
Hanna H Abd El-Baky Farouk K El-Baz Gamal S El Baroty

BACKGROUND The present study was designed to investigate the enhanced antioxidant capacity of whole grains from wheat plants grown under seawater stress in response to microalgae extract treatment. RESULTS The total carotenoid (TCAR), tocopherol (TOC), phenolic (TPC), and protein (PC) contents in whole grains of wheat plants irrigated with 10% and 20% (v/v) seawater (SW) in response to water ...

2017
Yaqian Shi Yinghui Cheng Ying Wang Guiming Zhang Ruifang Gao Caiyu Xiang Jianjun Feng Dingfeng Lou Ying Liu

This study introduced the application of high-throughput sequencing techniques to the investigation of microbial diversity in the field of plant quarantine. It examined the microbial diversity of wheat imported into China, and established a bioinformatics database of wheat pathogens based on high-throughput sequencing results. This study analyzed the nuclear ribosomal internal transcribed space...

ژورنال: سنجش و ایمنی پرتو 2017

In this work investigated the determination of Selenium in wheat of Kashan's people's meal, via neutron activation analysis method (NNA) in “The Miniature Neutron Source Reactor” section. The γ transition produced in reaction of the neutron capture 77Se (n, γ) (T1/2= 17.4 s) was used to determine the concentration of Selenium, due to the rapid transfer of samples from th...

Journal: :محیط زیست طبیعی 0
مائده چیت ساز دانشجوی دانشگاه تهران امیرحسین حمیدیان دانشیار گروه محیط زیست پردیس کشاورزی و منابع طبیعی دانشگاه تهران بابک متشرع زاده دانشیار گروه خاکشناسی پردیس کشاورزی و منابع طبیعی دانشگاه تهران سیدعلی اصغر میرجلیلی کارشناس ارشد hse طرح معادن مس تفت – شرکت ملی صنایع مس ایران سهراب اشرفی استادیار گروه محیط زیست دانشگاه تهران، دانشکده منابع طبیعی عصمت اسماعیل زاده پژوهشگر محیط زیست، امور تحقیق و توسعه مجتمع مس سرچشمه –شرکت ملی صنایع مس ایران

pollution of agricultural lands is a widespread problem in mine regions. the transport of the pollutants through the food chain, causes their accumulation s in tissues of plants and animals which endangers their health. this study aimed to measure the concentrations of heavy metals (lead, copper, zinc and manganese) in wheat roots of darreh zaresh villages which might be used for future environ...

2016
Wioletta A. Żukiewicz-Sobczak Grażyna Cholewa Paweł Sobczak Wojciech Silny Rafał Nadulski Paulina Wojtyła-Buciora Jerzy Zagórski

AIM To detect and assess the activity of extracellular hydrolytic enzymes and to find differences in enzymograms between fungi isolated from wheat and rye samples and grown on Czapek-Dox Broth and Sabouraud Dextrose Broth enriched with cereal (wheat or rye). Isolated strains were also classified in the scale of biosafety levels (BSL). MATERIAL AND METHODS The study used 23 strains of fungi cu...

Journal: :Bioresource technology 2008
Emanuela Locci Samuela Laconi Raffaello Pompei Paola Scano Adolfo Lai Flaminia Cesare Marincola

Solid-state (13)C nuclear magnetic resonance (NMR) and elemental analysis techniques were used to monitor the degradation of wheat bran by the white-rot fungus Pleurotus ostreatus during a 62-day cultivation period. The weight loss and in vitro organic matter digestibility of the substrate were also evaluated after fungal treatment. The (13)C NMR spectra of degraded wheat bran samples showed a ...

2016
Jianfeng Zhang Wenting Han Lvwen Huang Zhiyong Zhang Yimian Ma Yamin Hu

The leaf chlorophyll content is one of the most important factors for the growth of winter wheat. Visual and near-infrared sensors are a quick and non-destructive testing technology for the estimation of crop leaf chlorophyll content. In this paper, a new approach is developed for leaf chlorophyll content estimation of winter wheat based on visible and near-infrared sensors. First, the sliding ...

2010
Jae-Bom Ohm Gary Hareland Senay Simsek Bradford Seabourn Elizabeth Maghirang Floyd Dowell

Cereal Chem. 87(6):553–560 Molecular weight distribution (MWD) of proteins extracted from hard red spring wheat was analyzed by size-exclusion HPLC to investigate associations with wheat and breadmaking quality characteristics. Certain protein fractions were related to associations between wheat and breadmaking parameters, specifically when effect of quantitative variation of protein on those p...

Current study was done to determine the concentration of heavy metals including Lead and Cadmium and nutrients element Copper and Zinc in a simple and whole wheat Macaroni in the valid different supermarkets in the city of Tehran. 254 samples from seven Iranian simple Macaroni , four foreign simple Macaroni and two Iranian whole wheat macaroni were purchased consecutively in 3 seasons of 2015. ...

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