AUSTIN, R. B.; BINGHAM, J.; BLACKWELL, R. D.; EVANS, L. T.; FORD, M. A.; MORGAN, C. L.; TAYLOR, M. Genetic improvements in winter wheat yield since 1900 and associated physiological changes. Journal of Agricultural Science, v. 94, p. 675-689, 1980.

AUSTIN, R. B.; FORD, M. A.; MORGAN, C. L. Genetic improvement in the yield of winter wheat: a further evaluation. Journal of Agricultural Science, v. 112, p. 295-301, 1989.

BORNER, A.;WORLAND, A. J.; PLASCHKE, J.; SCHUMANN, E.; LAW, C. N. Pleitropic effects of genes for reduced height (Rht) and day-length insensitivity (Ppd) on yield and its components for wheat grown in Middle Europe. Plant Breeding, v. 11, p. 204-216, 1993.

BREMNER, P. M.; DAVIDSON, J. L. A study of grain number in two contrasting wheat cultivars. Australian Journal Agricultural Research, v. 28, p. 431-441, 1978.

BROOKING, I. R.; KIRBY, E. J. M. Interelationships between stem and ear development in winter wheat: the effect of Norin 10 dwarfing gene, Gai/rht2. Journal of Agricultural Science, v. 97, p. 373-381, 1981.

COX, T. S.; SHROYER, J. P.; BEN-HUI, L.; SEARS, R. G.; MARTIN, T. J. Genetic improvement in agronomic traits of hard red winter wheat cultivars from 1919 to 1987. Crop Science, v. 28, p. 756-760, 1988.

DECKERD, E. L., BUSCH, R. H.; KOFOID, K. D. Physiological aspects of spring wheat improvement. In: HASPER, J.; SCRADER, L.; HOWEL, R. (Ed.). Exploitation of physiological and genetic variability to enhance crop productivity.p.45-54. Madison: American Society Plant Physiologists, 1985.

DONALD, C. M.; HAMBLIN, J. The biological yield and harvest index of cereal as agronomic and plant breeding criteria. Advances in Agronomy, v. 28, p. 361-405, 1976.

DUNCAN, W. G.; MCCLOUD, D. E.; MACGRAW, R. L.; BOOTE, K. J. Physiological aspects of peanut yield improvement. Crop Science, v.18, p. 1015-1020, 1978.

FISCHER, R. A. Number of kernels in wheat crops and influence of solar radiation and temperature. Journal of Agricultural Science, v. 105, p. 447- 461, 1985.

FISCHER, R. A.; AGUILAR, I. M. Yield potential in a dwarf spring wheat and the effect of carbon dioxide fertilization. Agronomy Journal, v. 68, p. 749-752, 1976.

FISCHER, R. A.; STOCKMAN, Y. M. Increased kernel number in Norin 10-derived dwarf wheat: evaluation of a cause. Australian Journal of Plant Physiology, v. 13, p. 767-784, 1986.

FRANCO, F. A.; CARVALHO, F. I. F. Progresso genético no rendimento do trigo e sua associação com diferentes caracteres sob variações ambientais. Pesquisa Agropecuária Brasileira, v. 22, n. 3, p. 311-321, 1987.

GALE, M. D. The effects of Norin 10 dwarfing genes on yield. In: INTERNATIONAL WHEAT GENETIC SYMPOSIUM, 5., 1979, New Delhi, India. Proceedings... New Delhi: Indian Society of genetics & Plant Breeding; Indian Agricultural Research Institute, 1979. p. v.2, 978-987.

GAY, S.; EGLI, D. B.; REICOSKY, D. A. Physiological aspects of yield improvement in soybeans. Agronomy Journal, v. 72, p. 387-391, 1980.

GIFFORD, R. M.; EVANS, L. T. Photosynthesis carbon partitioning and yield. Annual Review of Plant Physiology, v. 32, p. 495-509, 1981.

GIFFORD, R. M.; THORNE, J. H.; ITZ, W. D.; GIAQUINTA, R. T. Crop productivity and photoassimilate partitioning. Science, v.225, p. 801-808, 1984.

HANSON, P. R.; RIGGS, T. J.; KLOSE, S. J.; AUSTIN, R. B. High biomass genotype in spring barley. Journal of Agricultural Science, v. 105, p. 73-78, 1985.

HUCL, R.; BAKER, R. J. A study of ancestral and modern Canadian spring wheat. Canadian Journal of Plant Science, v. 67, p. 87-97,1987.

LAWES, D. A. Yield improvement in spring oats. Journal Agricultural Science, v. 89, p. 751-757, 1977.

LEDENT, J. F. Comparación entre cultivares antíquas y modernas, conrespecto a la relación entre mejoramiento de los rendimentos y caracteres morfológicos y fisiologicos. In: CONGRESO NACIONAL DE TRIGO, Pergamino, Argentina. Actas... Buenos Aires: INTA, 1986. Cap. 5, p. 97-113.

LEDENT, J. F.; STOY, V. Yield of winter wheat. A comparison of genotypes from 1910 to 1976. Cereal Research Communications, v. 16, p. 151-156, 1988.

MCEWAN, J. M.; CROSS, R. J. Evolutionary changes in New Zealand wheat cultivars. In: INTERNATIONAL WHEAT GENETIC SYMPOSIUM, 5., 1979, New Delhi, India. Proceedings.. New Delhi: Indian Society of genetics & Plant Breeding; Indian Agricultural Research Institute, 1979. p. v.1, 198-203.

MEDEIROS, C. M.; SHLEHUBER, A. M. Produção de grãos e componentes da produção de certas variedades brasileiras de trigo. Pesquisa Agropecuária Brasileira, v. 6, p. 45-52, 1971.

MOREIRA, J. C. S., SOUZA, C. N. A.; MEDEIROS, M. C. Avaliação do progresso na criação de cultivares de trigo. In: REUNIÃO NACIONAL DE PESQUISA DE TRIGO, 12., 1982, Cascavel. Resumos e Comunicados Técnicos... Cascavel: OCEPAR, 1982. p. 159-161.

NEDEL, J. L. Progresso genético no rendimento de grãos de cultivares de trigo lançadas para cultivo entre 1940 e 1992. Pesquisa Agropecuária Brasileira, v. 29, n. 10, p. 1565-1570, 1994.

NERSON, H.; SIBONY, M.; PINTHUS, J. M. A scale for the assessment of the developmental stage of the wheat spike. Annals of Botany, v. 45, p. 203-204, 1980.

PERRY, M. W.; D'ANTUONO, M. F. Yield improvement and associated characteristics of some Australian spring wheat cultivars introduced between 1960 and 1982. Australian Journal of Agricultural Research, v. 40, p. 457-472, 1989.

RIGGS, T. J.; HANSON, P. R.; START, N. D.; MILLES, D. M.; MORGAN, C. L.; FORD, M. A. Comparison of spring barley varieties grown in England and Wales between 1880 and 1980. Journal Agricultural Science, v. 97, p. 599-610, 1981.

SAVIN, R.; SLAFER, G. A. Shading effects on the yield of an Argentinian wheat cultivar. Journal of Agricultural Science, v. 116, p. 1-7, 1991.

SIDDIQUE, K. H. M.; BELFORD, R. K.; PERRY, M. W.; TENNANT, D. Growth, development and light interception of old and modern wheat cultivars in a Mediterranean-type environment. Australian Journal of Agricultural Research, v. 40, p. 473-487, 1989a.

SIDDIQUE, K. H. M.; KIRBY, E. I. M.; PERRY, M. W. Ear:stem ratio in old and modern wheat varieties; relationship with improvement in number of grain per ear and yield. Field Crops Research, v. 26, p. 59-78, 1989b.

SLAFER, G. A.; ANDRADE, F. H. Changes in physiological attributes of the dry matter economy of bread wheat (Trtiticum aestivum ) through genetic improvement of grain yield potential at different regions of the world. Euphytica, v. 58, p. 37-49, 1991.

SLAFER, G. A.; ANDRADE, F. H. Genetic improvement in bread wheat (T. aestivum) yield in Argentina. Field Crops Research, v. 21, p. 289-296, 1989.

SLAFER, G. A.; ANDRADE, F. H. Physiological attributes related to the generation of grain yield in bread wheat cultivars released at different eras. Field Crops Research, v. 31, p. 351-367, 1993.

SLAFER, G. A.; ANDRADE, F. H.; SATORRE, E. H. Genetic-improvement effects on pré-anthesis physiological atributes related to grain yield. Field Crops Research, v. 23, p. 255-263, 1990.

SLAFER, G. A.; SATORRE, E. H. Increase in grain yield in bread wheat from breeding and associated physiological changes. In: SLAFER, G. A. (Ed.). Genetic improvement of field crops. New York: Marcel Decker, 1994. p. 1-68.

STOCKMAN, Y. M.; FISCHER, R. A.; BRITTAIN, E. G. Assimilate supply and floret development within the spike of wheat. Australian Journal of Plant Physiology, v. 10, p. 585-594, 1983.

TAVELLA, C. M.; SOUZA, P. G.; LAZZAROTTO, C. Rendimento de grãos de cultivares e linhagens de trigo e algumas características anatômicas e fisiológicas. Pesquisa Agropecuária Brasileira, v. 22, n. 1, p. 59-61, 1987.

THORNE, G. N.; WOOD, D. W. Effects of radiation and temperature on tiller survival, grain number and grain yield in winter wheat. Annals of Botany, v. 59, p. 413-426, 1987.

TOLLENAAR, M. Physiological basis of genetic improvement of maize hybrids in Ontario from 1959 to 1988. Crop Science, v. 31, p. 119-124,1988.

TOLLENNAR, M. Genetic improvement in the grain yield commercial maize hybrids grown in Ontario from 1959 to 1988. Crop Science, v. 29, p. 1365-1373, 1989.

TORRES, L. A. M., MATZENBACKER, R. G.; SVOBODA, L. H.; MOR, M. J. Ensaio comparativo de rendimento de grãos entre cultivares de trigo antigos e novos. In: FECOTRIGO. Contribuição do C.E.P. a XII Reunião Nacional de Pesquisa de Trigo. Cruz Alta, 1982. p. 36-41. Trabalho apresentado na XII Reunião Nacional de Pesquisa de Trigo, Cascavel, 1982.

WADDINGTON, S. R.; OSMANZAI, M.; YOSHIDA, M.; RANSON, J. K. The yield of durum wheats released in Mexico between 1960 and 1984. Journal of Agricultural Science, v. 108, p. 469-477, 1987.

WADDINGTON, S. R.; RANSOM, J. K.; OSMANZAI, M.; SAUDERS, D. A. Improvement in the yield potential of bread wheat adapted to northwest Mexico. Crop Science, v. 26, p. 698-703, 1986.

WALL, P. C. An analysis of factors limiting grain numbers and yield of spring wheat in low-latidude environment. 135 f. 1979. Ph.D. Thesis (Ph.D) - University of Reading, Reading.

WYCH, R. D.; RASMUSSON, D. C. Genetic improvement in malting barley cultivars since 1920. Crop Science, v. 23, p. 1037-1040, 1983.