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Author |
Bernardoni, E.; Acutis, M.; Ventrella, D. |
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Title |
Long-term durum wheat monoculture: modelling and future projection |
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Journal Article |
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Year |
2012 |
Publication |
Italian Journal of Agronomy |
Abbreviated Journal |
Ital. J. Agron. |
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Volume |
7 |
Issue  |
1 |
Pages |
13 |
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English |
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ISSN |
2039-6805 1125-4718 |
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CropM, ftnotmacsur |
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no |
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Call Number |
MA @ admin @ |
Serial |
4468 |
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Author |
Hakala, K.; Jauhiainen, L.; Himanen, S.J.; RÖTter, R.; Salo, T.; Kahiluoto, H. |
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Title |
Sensitivity of barley varieties to weather in Finland |
Type |
Journal Article |
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Year |
2012 |
Publication |
Journal of Agricultural Science |
Abbreviated Journal |
J. Agric. Sci. |
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Volume |
150 |
Issue |
02 |
Pages |
145-160 |
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Keywords |
climate-change; winter-wheat; spring wheat; reproductive growth; high-temperatures; changing climate; crop production; increased CO2; yield; tolerance |
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Abstract |
Global climate change is predicted to shift seasonal temperature and precipitation patterns. An increasing frequency of extreme weather events such as heat waves and prolonged droughts is predicted, but there are high levels of uncertainty about the nature of local changes. Crop adaptation will be important in reducing potential damage to agriculture. Crop diversity may enhance resilience to climate variability and changes that are difficult to predict. Therefore, there has to be sufficient diversity within the set of available cultivars in response to weather parameters critical for yield formation. To determine the scale of such ‘weather response diversity’ within barley (Hordeum vulgare L.), an important crop in northern conditions, the yield responses of a wide range of modern and historical varieties were analysed according to a well-defined set of critical agro-meteorological variables. The Finnish long-term dataset of MTT Official Variety Trials was used together with historical weather records of the Finnish Meteorological Institute. The foci of the analysis were firstly to describe the general response of barley to different weather conditions and secondly to reveal the diversity among varieties in the sensitivity to each weather variable. It was established that barley yields were frequently reduced by drought or excessive rain early in the season, by high temperatures at around heading, and by accelerated temperature sum accumulation rates during periods 2 weeks before heading and between heading and yellow ripeness. Low temperatures early in the season increased yields, but frost during the first 4 weeks after sowing had no effect. After canopy establishment, higher precipitation on average resulted in higher yields. In a cultivar-specific analysis, it was found that there were differences in responses to all but three of the studied climatic variables: waterlogging and drought early in the season and temperature sum accumulation rate before heading. The results suggest that low temperatures early in the season, delayed sowing, rain 3-7 weeks after sowing, a temperature change 3-4 weeks after sowing, a high temperature sum accumulation rate from heading to yellow ripeness and high temperatures (25 degrees C) at around heading could mostly be addressed by exploiting the traits found in the range of varieties included in the present study. However, new technology and novel genetic material are needed to enable crops to withstand periods of excessive rain or drought early in the season and to enhance performance under increased temperature sum accumulation rates prior to heading. |
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English |
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0021-8596 1469-5146 |
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CropM |
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no |
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Call Number |
MA @ admin @ |
Serial |
4586 |
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Author |
Świerk, W. |
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Title |
Changes in the quality of surface water bodies against the background of the implementation of the sustainable development program of rural areas in the catchment |
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Book Whole |
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Year |
2012 |
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Ph.D. thesis |
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Institute of Technology and Life Science at Falenty |
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PhD |
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PhD |
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no |
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Call Number |
MA @ admin @ |
Serial |
5143 |
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Author |
Rötter, P.; Höhn, J.; Fronzek, S. |
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Title |
Projections of climate change impacts on crop production – a global and a Nordic perspective |
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Conference Article |
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Year |
2012 |
Publication |
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CropM |
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Agriculture and greenhouse gases, NJF (Association of Nordic Agronomists) seminar 453. Oslo, Norway, 2012-11-05 to 2012-11-06 |
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no |
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Call Number |
MA @ admin @ |
Serial |
2763 |
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Author |
Semenov, M.A.; Pilkington-Bennett, S. |
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Title |
Validation of ELPIS baseline scenarios using ECA&D observed data |
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Conference Article |
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Year |
2012 |
Publication |
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Abbreviated Journal |
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Volume |
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Issue |
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Pages |
4151-4152 |
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Keywords |
CropM |
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Geophysical Research Abstracts |
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Series Volume |
14 |
Series Issue |
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European GeoSciences Union (EGU), General Assembly 2012, 2012-04-22 to 2012-04-27 |
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no |
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Call Number |
MA @ admin @ |
Serial |
2820 |
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