Handbook of Plant and Crop Physiology

crop plants show some degree of leaf movement in response to radiation, soil, and plant water status. However, the degree of lea ...

This limits its use in genetic improvement programs where large numbers of plants and genotypes need to be characterized. Pot ex ...

P
 Rp R  s Rs 
 R R p s  1 (3) a
 Ra R  s Rs 
 R R a s  1 (4) wherePis the carbon isotope composition of the plan ...

The significance of bin Eq. (5) is that when gsis small in relation to CO 2 fixation,Piis small and  tends toward a(4.4‰); whe ...

discrimination analysis [29,107–110]. Several studies with a number of crop species have shown that mod- erate water stress lead ...

C. Influence of Crop Canopy on and TE The negative relationship between and TE might hold for individual plants in pots [64] o ...

B. Mechanisms by Which Genotypes Differ in TE Any factor that influences genetic variation in either gsorAin a disproportionate ...

stages [138]. This could be due to a number of factors, including hormonal imbalance, causing loss of stomatal control on water ...

E. Limitations of Using to Select for TE Carbon partitioning and would not be expected to be stable across all environments an ...

) is not independent of root activity, and it seems that there is a close correlation between gas exchange in water-deficit env ...

capabilities [10,37,66,140]. Thus, it is interesting to note that the usefulness of in selection for high TE could vary dependi ...

VI. FUTURE OUTLOOK Large sums of money have been spent to develop irrigated cropping systems throughout the world, but relativel ...

RA Fischer, NC Turner. Plant productivity in the arid and semi-arid zones. Annu Rev Plant Physiol 29:277–317, 1978. MC Saxena. ...

JJ Read, RC Johnson, BF Carver, SA Quarrie. Carbon isotope discrimination, gas exchange, and yield of spring wheat selected for ...

AG Condon, GD Farquhar, RA Richards. Genotypic variation in carbon isotope discrimination and transpira- tion efficiency in whe ...

RC Nageswara Rao, JH Williams, KDR Wadia, KT Hubick, GD Farquhar. Crop growth, water-use efficiency and carbon isotope discrimi ...

SD Wullschleger. Biochemical limitations of carbon assimilation in C 3 plants—a retrospective analysis of the A/Cicurves from 1 ...

GV Subbarao, C Johansen, AE Slinkard, RC Nageswara Rao, NP Saxena, YS Chauhan. Strategies for im- proving drought resistance in ...

...

44 Physiological Mechanisms Relevant to Genetic Improvement of Salinity Tolerance in Crop Plants G. V. Subbarao* Dynamac Corpora ...