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An interactive web-based model for estimating winter survival in cereals has been developed for use by farmers, extension workers, and researchers. The model ...

Overwinter Low-Temperature Responses of Cereals: Analyses and
May 15, 2015 ... deployed a Winter Cereal Survival Model based on a series of equations ..... 50 c ), this close relation- ship (r2 = 0.88, P < 0.001) has been utilized to estimate ..... As an example, our interactive web based version of the winter ...

Control of Cereal Rye with a Roller/Crimper as Influenced by Cover
Cereal rye is a winter annual cover crop widely used through- ... thermal-based phenological model using growing degree days (GDD; base ... Such forecasting tools could be used to estimate timing ..... available through web-based decision- support applications. ... Date of seeding, fall growth, and winter survival of winter.

Candidate gene association mapping for winter survival and spring
closely related to winter survival and spring regrowth in perennial ryegrass. .... at 700 nm and 840 nm to estimate the quantity of chlorophyll in ... referred to the web version of the article.) Fig. ... determined for each trait based on the value of Bayesian Infor- ... were examined for verifying the best fit model for association anal-.

Population Dynamics of Aphids on Cereals: Digging in the Time
Mar 9, 2017 ... Figure 3. B-spline fit of estimated β1l coefficient for model (3) ... winter temperatures range from 0 to 5uC. The temperature influence was not homogeneous in time. .... The influence of temperature is based on the traditional concept ..... early sown than late sown stands, and continue to survive in this.

Relationship of base temperature to development of winter wheat
Aug 21, 2013 ... the base temperature for each critical period was estimated as well as ... Survival is .... The proposed phenological model for winter wheat (Triticum aestivum ... ( http://www.caes.uga.edu/extension) and the commodity specialist web site of the ...... Cold acclimation threshold induction temperatures in cereals.

Spiders in wheat - National Agricultural Library Digital Collections
Chemical insecticides are relied upon almost exclusively for cereal aphid control in the US ... of spiders in a typical US Great Plains winter wheat growing situation. ... Aphid densities were estimated by counts on tillers (Elliott et al., 1990; see. Lersten ..... An individual-based model for spiders in agroecosystems: Simulations.

Full-Text PDF - MDPI
Feb 8, 2013 ... Only an estimated 11% of farmers in the American Corn Belt have used ... improve resilience of maize and wheat-based cropping systems and promote ... frost-seeded red clover seeds survive under a winter cereal canopy when ...... 5 years (225 publications, Web of knowledge v.5.8), 18% of which focused.

PDF Print - APS Journals - American Phytopathological Society
high-consequence plant disease, weather-based infection models were used to estimate the ... Triticum populations in 40% of winter wheat production areas of the. United States. .... by survival of inoculum and estimated from minimum daily temper- ... Forecast (NAPPFAST) web-based modeling system (Magarey et al. 2005 ...

guide to the operation of the ontario cereal crops - Go Cereals
Objection would be based on the candidate being a potential harm to the industry ... review and discuss winter cereal performance trial data and protocols for the upcoming .... weight per volume, lodging resistance, winter survival (where applicable) and disease data. ..... Varieties in Canada” at the following web address.

Isolation of Cultivation-Resistant Oomycetes, First - APS Journals
cropping, winter cereals are established in late fall, survive the winter ... Based on the community profiles obtained by amplicon sequencing, ..... model, consisting of blocking factor and Pythium isolate) with .... reads), estimated coverage of fungal taxa present in rye roots ..... Improved data processing and web-based tools.

Crop planting dates: an analysis of global patterns - The Nelson
These global crop models also require knowledge of plant- ing and .... between winter and spring cereal-growing regions, as winter varieties require .... We estimated net radia- tion in this ... crop for which we have observations (based on Monfreda et al.,. 2008); and ..... Since the flies cannot survive freezing temperatures,.

Fusarium Head Blight - US Wheat and Barley Scab Initiative
Associates, and D. Green, Wheat Foods Council, personal com- munications). ... as a model to deal with other emerging plant disease threats. Fusarium .... overall statewide yield loss was estimated at 2.3% (valued at $13.3 million). ...... The web -based tool that is used to deploy prediction models for Fusarium head blight.

HGCA Wheat disease management guide - Everysite
RL Plus – This web-based tool allows you ... prescribed in Cereal Seed Regulations issued by the. UK within the EU-wide .... Life cycle. While the disease can survive on plant ..... Airborne spores disperse in autumn/winter from previous wheat stubbles. .... In 2007, a season when brown rust was prevalent, the estimated cost.

A neural network model for prediction of deoxynivalenol content in
unprocessed cereals is 1250 µg/kg (European ... growth, survival, dissemination and hence the ... diction. The winning neural network is based on five input variables: a categorial variable ... (2006) concluded that a reliable estimation of the ... (2002) based their model on em- ... The grain samples from winter wheat field ex-.

AAC Elevate hard red winter wheat - NRC Research Press
Published on the web 13 May 2015. Graf, R. J. .... based on winter survival, vigour, plant type, height and straw strength. ... mixed effects model where environments were considered random and ... estimated in nurseries conducted at AAFC LRC by inoculating ... at the AAFC Eastern Cereal and Oilseed Research Centre.

crop growth modeling and its applications in agricultural meteorology
Role of climate change in crop modeling and applications of crop growth models in .... simulation models is to estimate agricultural production as a function of weather ..... wide web, will be critical for the application of crop models for yield .... simulation models in assessing trait benefits of winter cereals and their capacity.

s remote First Nations communities: the dietary dilemma
transmitted through generations to ensure survival of the species.10 In this ... foods), First Nations populations of Canada consumed plants and animals .... model for effectively documenting the complexities around land-based food practices in remote First Nations of Northern. Canada is ... Hayes et al.58 estimated that the.

Modelling the time–temperature relationship in cold injury and effect
Cereal Leaf Beetle, Oulema melanopus (Casagrande & ... winter diapause in stable temperature conditions. ... estimate the effect of high-temperature interruptions of the cold exposure on survival of the animals; and (4) to ... model fitting and constructing Figs 1 and 2. ..... exposures, based on equation 2 and parameters.

MACSUR Oslo Feb 2014 - Edinburgh Research Explorer
Feb 12, 2014 ... A new approach to crop growth modelling: a process-based model based on the ... Yield gap analysis of cereals in Europe supported by local knowledge . ... Water balance and yield estimates for field crop rotations - present versus future ... cultivar characteristics for winter survival and yield under future ...