Search Results - "Lafitte, H. R."

Response to Direct Selection for Grain Yield under Drought Stress in Rice by Venuprasad, R, Lafitte, H.R, Atlin, G.N

“…Drought is a major cause of yield loss in rain-fed rice (Oryza sativa L.), grown on over 40 million ha in Asia. The objective of this study was to evaluate the…”
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Whole plant responses, key processes, and adaptation to drought stress: the case of rice by Lafitte, HR, Yongsheng, Guan, Yan, Shi, Li, Z-K

“…Most high-yielding rice cultivars developed for irrigated conditions, including the widely grown lowland variety IR64, are highly susceptible to drought…”
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Identification of Physiological Traits Underlying Cultivar Differences in Drought Tolerance in Rice and Wheat by Praba, M.L, Cairns, J.E, Babu, R.C, Lafitte, H.R

“…Rice is used as a model cereal to study drought response at the molecular level, with the goal of applying results to other cereals. To assess the relevance of…”
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Yield response to water deficit in an upland rice mapping population: associations among traits and genetic markers by Lafitte, H.R, Price, A.H, Courtois, B

“…A population of recombinant inbred rice lines from a cross between the upland japonica cultivar Azucena and the upland indica cultivar Bala was evaluated in a…”
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QTL x environment interactions in rice. I. Heading date and plant height by LI, Z. K, YU, S. B, ZHUANG, J. Y, ZHENG, K. L, SINGH, V. P, SIDHU, J. S, SRIVANTANEEYAKUL, S, KHUSH, G. S, LAFITTE, H. R, HUANG, N, COURTOIS, B, HITTALMANI, S, VIJAYAKUMAR, C. H. M, LIU, G. F, WANG, G. C, SHASHIDHAR, H. E

“…One hundred twenty six doubled-haploid (DH) rice lines were evaluated in nine diverse Asian environments to reveal the genetic basis of genotype x environment…”
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QTLs for drought escape and tolerance identified in a set of random introgression lines of rice by Xu, J.L, Lafitte, H.R, Gao, Y.M, Fu, B.Y, Torres, R, Li, Z.K

“…A large set of 254 introgression lines in an elite indica genetic background were evaluated for grain yield (GY) and related traits under the irrigated…”
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Selection improves drought tolerance in tropical maize populations. I. Gains in biomass, grain yield, and harvest index by Edmeades, G.O, Bolanos, J, Chapman, S.C, Lafitte, H.R, Banziger, M

“…Drought is common in tropical environments, and selection for drought tolerance is one way of reducing the impacts of water deficit on crop yield. The primary…”
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Selection for drought tolerance increases maize yields across a range of nitrogen levels by Banziger, M, Edmeades, G.O, Lafitte, H.R

“…It is not known whether selection for improved tolerance to a specific abiotic stress leads to correlated changes in performance under other stresses. Drought…”
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Genetic improvement of rice in aerobic systems: progress from yield to genes by Lafitte, H.R., Courtois, B., Arraudeau, M.

“…Genetic improvement of rice for aerobic (non-flooded) environments has received less attention than breeding for lowland production systems. Aerobic rice has…”
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Efficiency of secondary traits for improving maize for low-nitrogen target environments by Banziger, M, Lafitte, H.R

“…Consideration of secondary traits could improve selection efficiency under stress conditions. This study assesses the value of secondary traits for improving…”
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Genome-wide introgression lines and their use in genetic and molecular dissection of complex phenotypes in rice (Oryza sativa L.) by Li, Z.K, Fu, B.Y, Gao, Y.M, Xu, J.L, Ali, J, Lafitte, H.R, Jiang, Y.Z, Domingo Rey, J, Vijayakumar, C.H.M, Maghirang, R

“…Tremendous efforts have been taken worldwide to develop genome-wide genetic stocks for rice functional genomic (FG) research since the rice genome was…”
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Efficiency of high-nitrogen selection environments for improving maize for low-nitrogen target environments by Banziger, M, Betran, F.J, Lafitte, H.R

“…Most maize (Zea mays L.) in the tropics is grown under low-nitrogen (N) conditions, raising the need to assess efficient breeding strategies for such…”
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Interpreting cultivar x environment interactions for yield in upland rice: assigning value to drought-adaptive traits by Lafitte, H.R, Courtois, B

“…Many morphological and physiological traits have been suggested as potential mechanisms of cultivar differences in rice (Oryza sativa L.) drought tolerance,…”
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Genetic analysis of adaptation differences between highland and lowland tropical maize using molecular markers by Jiang, C, Edmeades, G.O, Armstead, I, Lafitte, H.R, Hayward, M.D, Hoisington, D

“…Molecular-marker loci were used to investigate the adaptation differences between highland and lowland tropical maize. An F(2) population from the cross of two…”
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Breeding for drought tolerance: Direct selection for yield, response to selection and use of drought-tolerant donors in upland and lowland-adapted populations by Kumar, Arvind, Bernier, Jérôme, Verulkar, Satish, Lafitte, H.R., Atlin, G.N.

“…Drought is the most important constraint reducing rice yield in rainfed areas. Earlier efforts to improve rice yield under drought mainly focused on improving…”
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Developing rice cultivars for high-fertility upland systems in the Asian tropics by Atlin, G.N., Lafitte, H.R., Tao, D., Laza, M., Amante, M., Courtois, B.

“…Traditionally, upland rice is grown in Asia in low-input, subsistence systems. More productive upland systems, using more fertilizer and improved varieties,…”
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Improvement of rice drought tolerance through backcross breeding: Evaluation of donors and selection in drought nurseries by Lafitte, H.R., Li, Z.K., Vijayakumar, C.H.M., Gao, Y.M., Shi, Y., Xu, J.L., Fu, B.Y., Yu, S.B., Ali, A.J., Domingo, J., Maghirang, R., Torres, R., Mackill, D.

“…A large-scale backcross breeding project has been undertaken to improve drought tolerance in rice. Over 160 donor cultivars from 25 countries have been used in…”
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Perennial O. sativa x O. rufipogon interspecific hybrids: I. Photosynthetic characteristics and their inheritance by Zhao, Ming, Lafitte, H.R, Sacks, Eric, Dimayuga, Glenn, Acuña, Tina L. Botwright

“…A survey of 24 wild Oryza accessions identified Oryza australiensis and Oryza rufipogon as potential sources of enhanced photosynthetic rate for introgression…”
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QTL × environment interactions in rice. I. Heading date and plant height by Li, Z. K., Yu, S. B., Lafitte, H. R., Huang, N., Courtois, B., Hittalmani, S., Vijayakumar, C. H. M., Liu, G. F., Wang, G. C., Shashidhar, H. E., Zhuang, J. Y., Zheng, K. L., Singh, V. P., Sidhu, J. S., Srivantaneeyakul, S., Khush, G. S.

“…One hundred twenty six doubled-haploid (DH) rice lines were evaluated in nine diverse Asian environments to reveal the genetic basis of genotype × environment…”
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Perennial hybrids of Oryza sativa x Oryza rufipogon: Part II. Carbon exchange and assimilate partitioning by Zhao, Ming, Acuna, Tina LBotwright, Lafitte, H R, Dimayuga, Glenn, Sacks, Eric

“…Oryza species differ in their degree of perenniality, which has implications for patterns of carbon distribution in the plant. Interspecific F sub(1) hybrids…”
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