Consulta: (autoria:"SUMMERFIELD, R. J.")
Registros recuperados: 67
Data/hora: 01/06/2024 22:45:20

SUMMERFIELD, R. J. Vegetative growth, reproductive ontogeny and seed yield of selected tropical grain legumes. In: Crop protection agents: their biological evaluation., v., p.251-271, 1976.
Biblioteca(s): Embrapa Agrobiologia.

SUMMERFIELD, R. J. Use of glass houses as an adjunct to field research on soybeans. In: World Soybean Research., v., p.358-370, 1976.
Biblioteca(s): Embrapa Agrobiologia.

RAWSTHORNE, S.; SUMMERFIELD, R. J. An assessment of different techniques for inoculating Phaseolus vulgaris with Rhizobium. Exp. Agric., v.20, n.2, p.119-127, 1984.
Biblioteca(s): Embrapa Agrobiologia.

SUMMERFIELD, R. J.; BUNTING, A. H. Advances in legume science. Surrey: Royal Botanic Gardens, 1980. 667p. In: INTERNATIONAL LEGUME CONFERENCE, 1978, KEW. ROYAL BOTANIC GARDENS/MISSOURI BOTANICAL GARDEN E UNIVERSITY OF READING. Proceedings...
Biblioteca(s): Embrapa Gado de Leite.

SUMMERFIELD, R. J.; BUNTING, A. H. (ed.). Advances in legume science. Kew: Royal Botanical Gardens, 1980. 667 p. Proceedings of the International Legume Conference, Kew, 31 July - 4 August, 1978, held under the auspices of the Royal Botanic Gardens, Ken, the Missouri Botanical Garden, and the University of Reading.
Biblioteca(s): Embrapa Amazônia Oriental; Embrapa Arroz e Feijão; Embrapa Pantanal.

SUMMERFIELD, R. J.; BUNTING, A. H. (ed.). Advances in legume science. Ken: Royal Botanic Gardens, 1979. v. 01. 667p. Proceedings of the International Legume Conference, Kew, 31 July - 4 August, 1978, held under the auspices of the Royal Botanic Gardens, Ken, the Missouri Botancial Garden, and the University of Reading.
Biblioteca(s): Embrapa Agrobiologia.

SUMMERFIELD, R. J.; BUTING, A. H. Advances in legume science. Kew: Royal Botanical Gardens, c1980 667p. Proceedings of the International Legume Conference, Kew, 4 Aug., 1978. Ed. by R.J. Summerfield and A.H. Bunting.
Biblioteca(s): Embrapa Recursos Genéticos e Biotecnologia.

NDUNGURU, B. J.; SUMMERFIELD, R. J. Comparative laboratory studies of cowpea (Vigna unguiculata) and soybean (Glycine max) under tropical temperature conditions. I. Germination and hypocotyl elongation. East Afr. Agric. For. J., v.41, n.1, p.58-64, 1975.
Biblioteca(s): Embrapa Agrobiologia.

NDUNGURU, B. J.; SUMMERFIELD, R. J. Comparative laboratory studies of cowpea (Vigna unguiculata) and soybean (Glycine max) under tropical temperature conditions. II. Contribution of cotyledons to early seedlings growth. East Afr. Agric. For. J., v.41, n.1, p.65-71, 1975.
Biblioteca(s): Embrapa Agrobiologia.

HUXLEY, P. A.; SUMMERFIELD, R. J. Leaf area manipulation with vegetative cowpea plants (Vigna unguiculata (L.) Walp). J. Exp. Bot., v.27, n.101, p.1223-1232, 1976.
Biblioteca(s): Embrapa Agrobiologia.

SUMMERFIELD, R. J.; MINCHIN, F. R. An integrated strategy for daylength and temperature-sensitive screening of potentially tropic-adapted soyabeans. In: Proceedings of a Conference for Asia and Oceania, v., p.186-191, 1976.
Biblioteca(s): Embrapa Agrobiologia.

WIEN, H. C.; SUMMERFIELD, R. J. Adaptation of cowpeas in West Africa: effects of photoperiod and temperature responses in cultivars of diverse origin. In: SUMMERFIELD, R. J.; BUNTING, A. H. Advances in legume science. Surrey, England: Royal Botanic Garden, 1978. p. 405-417.
Biblioteca(s): Embrapa Meio Norte / UEP-Parnaíba.

WIEN, H. C.; SUMMERFIELD, R. J. Adaptation of cowpeas in west Africa: effects of photoperiod and temperature responses in cultivars of diverse origin. In: Advances in Legumes Science, v., p.405-417, 1980.
Biblioteca(s): Embrapa Agrobiologia.

WIEN, H. C.; SUMMERFIELD, R. J. The cowpea (Vigna unguiculata (L.) Walp.) s.n.t. 48p.
Biblioteca(s): Embrapa Meio Norte / UEP-Parnaíba.

HUXLEY, P. A.; SUMMERFIELD, R. J. Photomorphogenetic effects of lamp type on growth of some species of tropical grain legumes in controlled environment growth cabinets. Plant Sci. Lett., v.6, p.25-33, 1976.
Biblioteca(s): Embrapa Agrobiologia.

SUMMERFIELD, R. J.; MINCHIN, F. R. Reciprocal grafts between large plants: Technique and evaluation with cowpeas. Exp. Agric., v.16, p.229-239, 1980.
Biblioteca(s): Embrapa Agrobiologia.

SUMMERFIELD, R. J.; MINCHIN, F. R. Root growth in cowpea (Vigna unguiculata (L.) Walp.) seedlings. Trop. Agric., v.53, n.3, p.199-209, 1976.
Biblioteca(s): Embrapa Agrobiologia.

STEWART, K. A.; SUMMERFIELD, R. J. Effect of root temperature on floral morphology in cowpea (Vigna unguiculata (L.) Walp.) cv K 2809. Plant Soil, v.49, p.443-448, 1978.
Biblioteca(s): Embrapa Agrobiologia.

SUMMERFIELD, R. J.; WIEN, H. C. Effects of photoperiod and air temperature on growth and yield of economic legumes. In: Advances in Legume Science, v., p.17-34, 1980.
Biblioteca(s): Embrapa Agrobiologia.

HUXLEY, P. A.; SUMMERFIELD, R. J. Effects of daylenght and day night temperatures on growth and seed yield of cowpea cv. K2809 grown in controlled environments. Ann. Appl. Biol., v.83, n.2, p.259-271, 1976.
Biblioteca(s): Embrapa Agrobiologia.

RICHARDSON, A. C.; SUMMERFIELD, R. J. A rapid method for quantitative defoliations by removing parts of individual leaves. Trop. Agric., v.54, n.2, p.167-171, 1977.
Biblioteca(s): Embrapa Agrobiologia.

SUMMERFIELD, R. J.; LAWN, R. J. Tropical grain legume crops: a commentary. Outlook Agric., v.16, n.4, p.189-197, 1987.
Biblioteca(s): Embrapa Agrobiologia.

MINCHIN, F. R.; SUMMERFIELD, R. J. Symbiotic nitrogen fixation and vegetative growth of cowpea (Vigna unguiculata (L.) Walp.) in waterlogged conditions. Plant Soil, v.45, p.113-127, 1976.
Biblioteca(s): Embrapa Agrobiologia.

NEVES, M. C. P.; MINCHIN, F. R.; SUMMERFIELD, R. J. Balanco de carbono e nitrogenio para plantas de cowpea noduladas e nao noduladas. I. Efeito de estirpes de Rhizobium. In: Congresso Brasileiro de Ciencia do Solo, 17, Manaus., v., p.22-, 1979.
Biblioteca(s): Embrapa Agrobiologia.

MINCHIN, F. R.; SUMMERFIELD, R. J.; NEVES, M. C. P. Carbon metabolism, nitrogen assimilation, and seed yield of cowpea (Vigna unguiculata L. Walp.) grown in an adverse temperature regime. J. Exp. Bot., v.31, n.124, p.1327-1345, 1980.
Biblioteca(s): Embrapa Agrobiologia.

NEVES, M. C. P.; MINCHIN, F. R.; SUMMERFIELD, R. J. Carbon metabolism, nitrogen assimilation and seed yield of cowpea (Vigna unguiculata) plants dependent on nitrate-nitrogen or on one of two strains of rhizobium. Tropical Agriculture, v.58, n.2, p.115-132, 1981.
Biblioteca(s): Embrapa Agrobiologia; Embrapa Tabuleiros Costeiros.

SUMMERFIELD, R. J.; WIEN, H. C.; MINCHIN, F. R. Integrated field and glasshouse screening for environmental sensitivity in cowpea (Vigna unguiculata). Exp. Agric., v.12, p.241-248, 1976.
Biblioteca(s): Embrapa Agrobiologia.

MINCHIN, F. R.; SUMMERFIELD, R. J.; NEVES, M. C. P. Nitrogen nutrition of cowpeas (Vigna unguiculata) effects of timing of inorganic nitrogen applications on nodulation, plant growth and seed yield. Trop. Agric., v.58, n.1, p.1-12, 1981.
Biblioteca(s): Embrapa Agrobiologia.

HUXLEY, P. A.; MINCHIN, F. R.; SUMMERFIELD, R. J. Nitrogen nutrition of cowpea (Vigna unguiculata). 4. Uptake and distribution of a single dose of early applied nitrogen. In: University of Reading International Institute of Tropical Agriculture Tropical Grain Legume Physiology Project., v., p.-, 1978.
Biblioteca(s): Embrapa Agrobiologia.

SUMMERFIELD, R. J.; HUXLEY, P. A.; STEELE, W. Cowpea (Vigna unguiculata L. Walp.) Field Crops Abstracts, v.27, n.7, p.301-312.
Biblioteca(s): Embrapa Meio Norte / UEP-Parnaíba.

SUMMERFIELD, R. J.; HUXLEY, P. A.; STEELE, W. Cowpea (Vigna unguiculata (L.) Walp.). Field Crop Abstr., v.7, p.301-312, 1974.
Biblioteca(s): Embrapa Agrobiologia.

MINCHIN, F. R.; SUMMERFIELD, R. J.; EAGLESHAM, A. R. J. Plant genotype x rhizobium strain interactions in cowpea (Vigna unguiculata (L) walp.). Tropical Agriculture, v.55, n.2, p.107-115, 1978.
Biblioteca(s): Embrapa Agrobiologia; Embrapa Tabuleiros Costeiros.

SUMMERFIELD, R. J.; HUXLEY, P. A.; MINCHIN, F. R. Plant husbandry and management techniques for growing grain legumes under simulated tropical conditions in controlled environments. Expl. Agric., v.13, p.81-92, 1977.
Biblioteca(s): Embrapa Agrobiologia.

SUMMERFIELD, R. J.; ROBERTS, E. H.; LAWN, R. J. Measurement and prediction of flowering in soybean in fluctuating field environments. In: CONFERENCIA MUNDIAL DE INVESTIGACION EN SOJA, 4., 1989, Buenos Aires. Actas... Buenos Aires: AASOJA, 1989. t.1 p.82-87.
Biblioteca(s): Embrapa Soja.

HONG, T. D.; MINCHIN, F. R.; SUMMERFIELD, R. J. Recovery of nodulated cowpea plants (Vigna unguiculata (L.) Walp.) from waterlogging during vegetative growth. Plant Soil, v.48, n.3, p.661-672, 1977.
Biblioteca(s): Embrapa Agrobiologia.

PRASAD, P. V. V.; CRAUFURD, P. Q.; SUMMERFIELD, R. J. Sensitivity of peanut to timing of heat stress during reproductive development. Crop Science, v.39, 1352-1357, 1999.
Biblioteca(s): Embrapa Algodão.

SUMMERFIELD, R. J.; SHANMUGASUNDARAM, S.; ROBERTS, E. H.; HADLEY, P. Soybean adaptation to photo-thermal environments and implications for screening germplasm. In: SYMPOSIUM [ON] SOYBEAN IN TROPICAL AND SUBTROPICAL CROPPING SYSTEMS, 1983, Tsukuba. Proceedings... Shanhua: AVRDC, 1985. p.333-352. Editado por S. Shanmugasundaram, E.W. Sulzberger.
Biblioteca(s): Embrapa Soja.

MINCHIN, F. R.; HUXLEY, P. A.; SUMMERFIELD, R. J. Effect of root temperature on growth and seed yield in cowpea (Vigna unguiculata). Exp. Agric., v.12, p.279-288, 1976.
Biblioteca(s): Embrapa Agrobiologia.

STEWART, K. A.; SUMMERFIELD, R. J.; NDUNGURU, B. J. Effects of source sinkmanipulations on seed yield of cowpea (Vigna unguiculata (L.) Walp.). I - Defoliation. Trop. Agric., v.55, n.2, p.117-125, 1978.
Biblioteca(s): Embrapa Agrobiologia.

NEVES, M. C. P.; SUMMERFIELD, R. J.; MINCHIN, F. R. Effects of complete leaf shading during the alte reproductive period on carbon and nitrogen distribution and seed production by nodule-dependent cowpea (Vigna unguiculata) plants. Trop. Agric., v.59, p.248-253, 1982.
Biblioteca(s): Embrapa Agrobiologia.

SUMMERFIELD, R. J.; MINCHIN, F. R.; ROBERTS, E. H. Growing chickpeas (Cicer arietinum L.) in controlled environment growth cabinets. In: International Crops Research Institute for the Semi-arid Tropics Tropical grain legume Physiology Project., v., p.1-20, 1977.
Biblioteca(s): Embrapa Agrobiologia.

SUMMERFIELD, R. J.; MINCHIN, F. R.; WIEN, H. C. Screening soyabean and cowpea an improved strategy. World Crops, v., n.1, p.21-23, 1979.
Biblioteca(s): Embrapa Agrobiologia.

SUMMERFIELD, R. J.; BUNTING, A. H.; ROBERTS, E. H. Use of controlled environment facilities as an adjunct to field research on potentially tropic adapted grain legumes. Phytotronic Newslett., v.11, p.36-41, 1975.
Biblioteca(s): Embrapa Agrobiologia.

MINCHIN, F. R.; SUMMERFIELD, R. J.; HADLEY, P.; ROBERTS, E. H.; RAWSTHORNE, S. Carbon and nitrogen nutrition of nodulated roots of grain legumes. Plant. Cell. Environmet., v., n.4, p.5-26, 1981.
Biblioteca(s): Embrapa Agrobiologia.

SUMMERFIELD, R. J.; MINCHIN, F. R.; ROBERTS, E. H.; HADLEY, P. Adaptation to contrasting aerial environments in chickpea (Cicer arietinum L.). Trop. Agric., v.58, n.2, p.97-113, 1981.
Biblioteca(s): Embrapa Agrobiologia.

FLEMING. J. E.; ELLIS, R. H.; JOHN, P.; SUMMERFIELD, R. J.; ROBERTS, E. H. Developmental implications of photoperiod sensitivity in soybean (Glycine max. [L.] Merr.). International Journal of Plant Sciences, v. 158, n. 2, p. 142-151, 1997.
Biblioteca(s): Embrapa Trigo.

CRAUFURD, P. Q.; ELLIS, R. H.; SUMMERFIELD, R. J.; MENIN, L. Development in Cowpea (Vigna unguiculata). I. The influence of temperature on seed germination and seedling emergence. Experimental Agriculture, v. 32, n. 1, p. 1-12, January 1996.
Biblioteca(s): Embrapa Cerrados.

SUMMERFIELD, R. J.; MINCHIN, F. R.; ROBERTS, E. H.; WIEN, H. C. Photomorphogenetic effects on cowpea: a comparison of controlled environment and field grown plants. Plant Sci. Lett., v.8, p.355-361, 1977.
Biblioteca(s): Embrapa Agrobiologia.

ROBERTS, E. H.; SUMMERFIELD, R. J.; MINCHIN, F. R.; HADLEY, P. Phenology of chickpeas (Cicer arietinum) in contrasting aerial environments. Expl. Agric., v.16, p.343-360, 1980.
Biblioteca(s): Embrapa Agrobiologia.

SUMMERFIELD, R. J.; HUXLEY, P. A.; DART, P. J.; HUGHES, A. P. Some effects of environmental stress on seed yield of cowpea (Vigna unguiculata L.walp) cv. prima. Plant and Soil, v.44, p.527-546, 1976.
Biblioteca(s): Embrapa Agrobiologia; Embrapa Meio Norte / UEP-Parnaíba; Embrapa Meio-Norte.

MINCHIN, F. R.; NEVES, M. C. P.; SUMMERFIELD, R. J.; HADLEY, P. Rhizobium strains effects on seed yield and yield components of cowpea (Vigna unguiculata (L.) Walp.). In: Current Perspectives in Nitrogen Fixation., v., p.460-, 1981.
Biblioteca(s): Embrapa Agrobiologia.

ROBERTS, E. H.; SUMMERFIELD, R. J.; MINCHIN, F. R.; STEWART, K. A.; NDUNGURU, B. J. Effects of air temperature on seed growth and maturation in cowpea (Vigna unguiculata). Ann. Appl. Biol., v.90, p.437-446, 1978.
Biblioteca(s): Embrapa Agrobiologia.

MINCHIN, F. R.; SUMMERFIELD, R. J.; EAGLESHAM, A. R. J.; STEWART, K. A. Effects of short-term waterlogging on growth and yield of cowpea (Vigna unguiculata). J. Agric. Sci., v.90, p.355-366, 1978.
Biblioteca(s): Embrapa Agrobiologia.

NDUNGURU, B. J.; SUMMERFIELD, R. J.; MINCHIN, F. R.; STEWART, K. A. Effects of environment during seed meturation, seed size and seed protein N content on growth and yield of cowpea plants in the subsequent generation. In: International Institute of tropical Agriculture Tropical Grain Legume Physiology Project., v., p.1-8, 1978.
Biblioteca(s): Embrapa Agrobiologia.

SUMMERFIELD, R. J.; MINCHIN, F. R.; ROBERTS, E. H.; HADLEY, P. The effects of photoperiod and air temperature on growth and yield of chickpea (Cicer arietinum L.). In: Proceedings of the International Workshop on Chickpea Improvement, v., p.121-149, 1979.
Biblioteca(s): Embrapa Agrobiologia.

SUMMERFIELD, R. J.; MINCHIN, F. R.; ROBERTS, E. H.; HADLEY, P. Effects of daylength, day and night temperature on growth, reproductive development and seed yield of chickpea (Cicer arietinum L.). In: Project ICRISAT, v., p.1-29, 1979.
Biblioteca(s): Embrapa Agrobiologia.

MINCHIN, F. R.; SUMMERFIELD, R. J.; HADLEY, P.; ROBERTS, E. H. Growth, longevity and nodulation of roots in relation to seed yield in chickpeas (Cicer arietinum). Expl. Agric., v.16, p.241-261, 1980.
Biblioteca(s): Embrapa Agrobiologia.

SUMMERFIELD, R. J.; MINCHIN, F. R.; STEWART, K. A.; NDUNGURU, B. J. Growth, reproductive development and yield of effectively nodulated cowpea plants in contrasting aerial environments. Ann. Appl. Biol., v.90, p.277-291, 1978.
Biblioteca(s): Embrapa Agrobiologia.

COVELL, S.; ELLIS, R. H.; ROBERTS, E. H.; SUMMERFIELD, R. J. The influence of temperature on seed germination rate in grain legumes. I. A comparison of chickpea, lentil, soybean and cowpea at constant temperatures. Journal of Experimental Botany, v. 37, n. 178, p. 705-715, May 1986.
Biblioteca(s): Embrapa Trigo.

MINCHIN, F. R.; NEVES, M. C. P.; SUMMERFIELD, R. J.; RICHARDSON, A. C. A chamber designed for continuous, long term monitoring of legume root respiration. J. Exp. Bot., v.28, n.103, p.507-514, 1977.
Biblioteca(s): Embrapa Agrobiologia.

ELY, R. V.; STEWART, K. A.; MINCHIN, F. R.; SUMMERFIELD, R. J.; NDUNGURU, B. J. Use of X-rays as a biological micro tecnique: an example investigating the reproductive development of cowpea (Vigna unguiculata). Ann. Appl. Biol., v.84, p.433-436, 1976.
Biblioteca(s): Embrapa Agrobiologia.

NEVES, M. C. P.; SUMMERFIELD, R. J.; MINCHIN, F. R.; HADLEY, P.; ROBERTS, E. H. Strain of rhizobium effects on growth and seed yield of cowpeas (Vigna unguiculata). Plant and Soil, v.68, p.249-260, 1982.
Biblioteca(s): Embrapa Agrobiologia; Embrapa Tabuleiros Costeiros.

PEAT, J. R.; MINCHIN, F. R.; JEFFCOAT, B.; SUMMERFIELD, R. J. Young reproductive structures promote nitrogen fixation in soybean. Ann. Bot., v. 48, n. 2, p .177-182, 1981.
Biblioteca(s): Embrapa Agrobiologia.

SUMMERFIELD, R. J.; DART, P. J.; HUXLEY, P. A.; ENGLESHAM, A. R. J.; MINCHIN, F. R.; DAY, J. M. Nitrogen nutrition of cowpea (Vigna unguiculata). I. Effects of applied nitrogen and symbiotic nitrogen fixation on growth and seed yield. Exp. Agric., v.13, n.2, p.129-142, 1977.
Biblioteca(s): Embrapa Agrobiologia.

DART, P. J.; HUXLEY, P. A.; EAGLESHAM, A. R. J.; MINCHIN, F. R.; SUMMERFIELD, R. J.; DAY, J. M. Nitrogen nutrition of cowpea (vigna unguiculata). II. effects of short-term applications of inorganic nitrogen on growth and yield of nodulated and non-nodulated plants. Experimental Agriculture, v.13, n.3, p.241-252, 1977.
Biblioteca(s): Embrapa Agrobiologia; Embrapa Tabuleiros Costeiros.

EAGLESHAM, A. R. J.; MINCHIN, F. R.; SUMMERFIELD, R. J.; DART, P. J.; HUXLEY, P. A.; DAY, J. M. Nitrogen nutrition of cowpea (Vigna unguiculata) III-Distribution of nitrogen within effectively nodulated plants. Exp. Agric., v.13, p.369-380, 1977.
Biblioteca(s): Embrapa Agrobiologia.

HADLEY, P.; BOXALL, M. I.; RICHARDSON, A. C.; DICKINSON, D.; MINCHIN, F. R.; SUMMERFIELD, R. J.; ROBERTS, E. H. A system for continous monitoring of whole shoot CO2 exchange as an adjunct to growth analysis experiments in controlled environments. J. Exp. Bot., v.31, n.121, p.679-689, 1980.
Biblioteca(s): Embrapa Agrobiologia.