References
- Dubois , M. , Giles , K. A. , Hamilton , J. K. , Rebers , P. A. and Smith , F. 1956 . Colorimetric method for determination of sugars and related substances . Anal. Chem. , 28 ( 3 ) : 350 – 356 .
- Hanson , A. D. and Hitz , W. D. 1982 . Metabolic responses of mesophytes to plant water deficit . Annual Review of Plant Physiol. , 33 : 163 – 203 .
- Kameli , A. 1990 . Metabolic responses of wheat plants to water stress and their role in drought resistance , PhD thesis UK : University of Sheffield .
- Navari-Izzo , F. , Quartacci , M. F. and Izzo , R. 1990 . Water-stress induced changes in protein and free amino acids in field-grown maize and sunflower . Plant Physiol. Biochem. , 28 : 531 – 537 .
- Navari-Izzo , F. , Sgherri , C. M.L. , Izzo , R. and Quartacci , M. F. 1992 . Proline accumulation related to water status in sunflower subjected to drought . Agr. Med. , 122 : 269 – 274 .