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Stefanczyk, E.; Sobkowiak, S.; Sliwka, J. |
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Title  |
Polish population of fungi belonging to Fusarium genus and associated with potato dry rot |
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Conference Article |
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2013 |
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CropM |
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Summer School of Bioinformatics, Poznan, Poland, 2013-08-19 to 2013-08-23 |
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MA @ admin @ |
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2846 |
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Author |
Kunert, K.J.; van Wyk, S.G.; Cullis, C.A.; Vorster, B.J.; Foyer, C.H. |
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Title |
Potential use of phytocystatins in crop improvement, with a particular focus on legumes |
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Journal Article |
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Year |
2015 |
Publication |
Journal of Experimental Botany |
Abbreviated Journal |
J. Experim. Bot. |
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Volume |
66 |
Issue |
12 |
Pages |
3559-3570 |
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Keywords |
Crops, Agricultural/*growth & development/metabolism; Cystatins/*metabolism; Cysteine Proteases/metabolism; Fabaceae/*growth & development/metabolism; Plant Proteins/*metabolism; Plant Root Nodulation; Stress, Physiological; Chilling; cystatin; drought; protein degradation; senescence; soybean; stress tolerance |
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Abstract |
Phytocystatins are a well-characterized class of naturally occurring protease inhibitors that function by preventing the catalysis of papain-like cysteine proteases. The action of cystatins in biotic stress resistance has been studied intensively, but relatively little is known about their functions in plant growth and defence responses to abiotic stresses, such as drought. Extreme weather events, such as drought and flooding, will have negative impacts on the yields of crop plants, particularly grain legumes. The concepts that changes in cellular protein content and composition are required for acclimation to different abiotic stresses, and that these adjustments are achieved through regulation of proteolysis, are widely accepted. However, the nature and regulation of the protein turnover machinery that underpins essential stress-induced cellular restructuring remain poorly characterized. Cysteine proteases are intrinsic to the genetic programmes that underpin plant development and senescence, but their functions in stress-induced senescence are not well defined. Transgenic plants including soybean that have been engineered to constitutively express phytocystatins show enhanced tolerance to a range of different abiotic stresses including drought, suggesting that manipulation of cysteine protease activities by altered phytocystatin expression in crop plants might be used to improve resilience and quality in the face of climate change. |
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English |
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0022-0957 1460-2431 |
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Review |
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CropM |
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MA @ admin @ |
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4564 |
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Author |
Mansouri, M.; Destain, M.-F. |
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Title |
Predicting biomass and grain protein content using Bayesian methods |
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Journal Article |
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Year |
2015 |
Publication |
Stochastic Environmental Research and Risk Assessment |
Abbreviated Journal |
Stoch. Environ. Res. Risk Assess. |
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29 |
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4 |
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1167-1177 |
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Keywords |
crop model; particle filter; prediction; ensemble kalman filter; parameter-estimation; particle filters; decision-support; state estimation; model; nitrogen; navigation; tracking; systems |
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This paper deals with the problem of predicting biomass and grain protein content using improved particle filtering (IPF) based on minimizing the Kullback-Leibler divergence. The performances of IPF are compared with those of the conventional particle filtering (PF) in two comparative studies. In the first one, we apply IPF and PF at a simple dynamic crop model with the aim to predict a single state variable, namely the winter wheat biomass, and to estimate several model parameters. In the second study, the proposed IPF and the PF are applied to a complex crop model (AZODYN) to predict a winter-wheat quality criterion, namely the grain protein content. The results of both comparative studies reveal that the IPF method provides a better estimation accuracy than the PF method. The benefit of the IPF method lies in its ability to provide accuracy related advantages over the PF method since, unlike the PF which depends on the choice of the sampling distribution used to estimate the posterior distribution, the IPF yields an optimum choice of this sampling distribution, which also utilizes the observed data. The performance of the proposed method is evaluated in terms of estimation accuracy, root mean square error, mean absolute error and execution times. |
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1436-3240 1436-3259 |
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CropM |
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MA @ admin @ |
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4664 |
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Author |
Sharif, B.; Olesen, J.E. |
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Title |
Probabilistic assessment of agroclimatic effects on winter rapeseed yield in Denmark |
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2014 |
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CropM |
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MACSUR CropM International Symposium and Workshop: Modelling climate change impacts on crop production for food security, Oslo, Norway, 2014-02-10 to 2014-02-12 |
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MA @ admin @ |
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2828 |
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Author |
Pirttioja, N.; Fronzek, S.; Rötter, R.P.; Carter, T.R. |
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Title |
Probabilistic assessment of crop adaptation options under a changing climate |
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Conference Article |
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2012 |
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CropM |
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Second Nordic International Conference on Climate Change Adaptation, 2012-08-29 to 2012-08-30 |
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Call Number |
MA @ admin @ |
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2724 |
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