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《Agricultural Meteorology》 1995-04
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Study on Wheat Population with Low Temperature

Zhang Songwu;Song Zhemin;Cao Cuilan(Northwestem Agricutural University,Yangling Shansi 712100)  
On the basis of observation with the temperature of wheat population for many years,low tem-perature population has been discovered in natural word.The population has a lower temperature with covering layer,longer functional period with leaf and fuller source, which is very favourable for milk-filling. Especially cold typal wheat in preceding population has a long time limits with tempera-ture which is lower than that of control wheat,strong evaporation and higher net photosynthetic rate,which is particularly favourable to enrich grain, Discovery of the typal wheat provides important theo-ry and practice bases for the selection of excellent parentage, line and variety.
【CateGory Index】: S426
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